diff --git a/core/config/schema/core.entity.schema.yml b/core/config/schema/core.entity.schema.yml
index cc1a57e..07e4714 100644
--- a/core/config/schema/core.entity.schema.yml
+++ b/core/config/schema/core.entity.schema.yml
@@ -268,33 +268,36 @@ field.formatter.settings.language:
       type: boolean
       label: 'Display in native language'
 
-field.formatter.settings.number_decimal:
+field_formatter_settings_numeric_base:
   type: mapping
-  label: 'Number decimal display format settings'
   mapping:
     thousand_separator:
       type: string
       label: 'Thousand marker'
+    prefix_suffix:
+      type: boolean
+      label: 'Display prefix and suffix'
+    format_plural:
+      type: boolean
+      label: 'Use plural formatting'
+    format_plural_string:
+      type: label
+      label: 'Singular and one or more plurals'
+
+field.formatter.settings.number_decimal:
+  type: field_formatter_settings_numeric_base
+  label: 'Number decimal display format settings'
+  mapping:
     decimal_separator:
       type: string
       label: 'Decimal marker'
     scale:
       type: integer
       label: 'Scale'
-    prefix_suffix:
-      type: boolean
-      label: 'Display prefix and suffix.'
 
 field.formatter.settings.number_integer:
-  type: mapping
+  type: field_formatter_settings_numeric_base
   label: 'Number integer display format settings'
-  mapping:
-    thousand_separator:
-      type: string
-      label: 'Thousand marker'
-    prefix_suffix:
-      type: boolean
-      label: 'Display prefix and suffix.'
 
 field.formatter.settings.number_unformatted:
   type: mapping
diff --git a/core/lib/Drupal/Core/Entity/Entity/EntityViewDisplay.php b/core/lib/Drupal/Core/Entity/Entity/EntityViewDisplay.php
index db56e8b..afb9a88 100644
--- a/core/lib/Drupal/Core/Entity/Entity/EntityViewDisplay.php
+++ b/core/lib/Drupal/Core/Entity/Entity/EntityViewDisplay.php
@@ -196,6 +196,9 @@ public function getRenderer($field_name) {
 
     // Instantiate the formatter object from the stored display properties.
     if (($configuration = $this->getComponent($field_name)) && isset($configuration['type']) && ($definition = $this->getFieldDefinition($field_name))) {
+      // Record the language that the configuration was translated into, which
+      // is needed for plural formatting (for example).
+      $configuration['settings_langcode'] = $this->langcode;
       $formatter = $this->pluginManager->getInstance(array(
         'field_definition' => $definition,
         'view_mode' => $this->originalMode,
diff --git a/core/lib/Drupal/Core/Entity/EntityDisplayBase.php b/core/lib/Drupal/Core/Entity/EntityDisplayBase.php
index 3a59e01..8db6163 100644
--- a/core/lib/Drupal/Core/Entity/EntityDisplayBase.php
+++ b/core/lib/Drupal/Core/Entity/EntityDisplayBase.php
@@ -346,8 +346,13 @@ public function setComponent($name, array $options = array()) {
       $options = $this->pluginManager->prepareConfiguration($field_definition->getType(), $options);
     }
 
-    // Ensure we always have an empty settings and array.
-    $options += ['settings' => [], 'third_party_settings' => []];
+    // Ensure we always have an empty settings, third_party_settings, and
+    // settings_langcode if not provided.
+    $options += [
+      'settings' => [],
+      'third_party_settings' => [],
+      'settings_langcode' => NULL,
+    ];
 
     $this->content[$name] = $options;
     unset($this->hidden[$name]);
diff --git a/core/lib/Drupal/Core/Entity/EntityViewBuilder.php b/core/lib/Drupal/Core/Entity/EntityViewBuilder.php
index 957c1e4..56b3492 100644
--- a/core/lib/Drupal/Core/Entity/EntityViewBuilder.php
+++ b/core/lib/Drupal/Core/Entity/EntityViewBuilder.php
@@ -467,10 +467,20 @@ protected function getSingleFieldDisplay($entity, $field_name, $display_options)
       $bundle = $entity->bundle();
       $key = $entity_type_id . ':' . $bundle . ':' . $field_name . ':' . crc32(serialize($display_options));
       if (!isset($this->singleFieldDisplays[$key])) {
+        // Assign the incoming 'settings_langcode' as the langcode of the
+        // EntityViewDisplay, or default to the current interface language.
+        if (isset($display_options['settings_langcode'])) {
+          $langcode = $display_options['settings_langcode'];
+          unset($display_options['settings_langcode']);
+        }
+        else {
+          $langcode = $this->languageManager->getCurrentLanguage(LanguageInterface::TYPE_INTERFACE)->getId();
+        }
         $this->singleFieldDisplays[$key] = EntityViewDisplay::create(array(
           'targetEntityType' => $entity_type_id,
           'bundle' => $bundle,
           'status' => TRUE,
+          'langcode' => $langcode,
         ))->setComponent($field_name, $display_options);
       }
       $display = $this->singleFieldDisplays[$key];
diff --git a/core/lib/Drupal/Core/Entity/EntityViewBuilderInterface.php b/core/lib/Drupal/Core/Entity/EntityViewBuilderInterface.php
index 0549060..ff086c6 100644
--- a/core/lib/Drupal/Core/Entity/EntityViewBuilderInterface.php
+++ b/core/lib/Drupal/Core/Entity/EntityViewBuilderInterface.php
@@ -122,6 +122,10 @@ public function resetCache(array $entities = NULL);
    *       also be used if the requested formatter is not available.
    *     - settings: (array) Settings specific to the formatter. Defaults to the
    *       formatter's default settings.
+   *     - settings_langcode: (string) The langcode associated to the settings
+   *       passed above. If the settings are read from a config entity, this
+   *       should be the langcode of that config entity. Defaults to the
+   *       langcode of the current interface language.
    *     - weight: (float) The weight to assign to the renderable element.
    *       Defaults to 0.
    *
diff --git a/core/lib/Drupal/Core/Field/FormatterBase.php b/core/lib/Drupal/Core/Field/FormatterBase.php
index a6c8cc8..41f8701 100644
--- a/core/lib/Drupal/Core/Field/FormatterBase.php
+++ b/core/lib/Drupal/Core/Field/FormatterBase.php
@@ -62,8 +62,10 @@
    *   The view mode.
    * @param array $third_party_settings
    *   Any third party settings.
+   * @param string $settings_langcode
+   *   The language code associated with the settings passed above.
    */
-  public function __construct($plugin_id, $plugin_definition, FieldDefinitionInterface $field_definition, array $settings, $label, $view_mode, array $third_party_settings) {
+  public function __construct($plugin_id, $plugin_definition, FieldDefinitionInterface $field_definition, array $settings, $label, $view_mode, array $third_party_settings, $settings_langcode) {
     parent::__construct(array(), $plugin_id, $plugin_definition);
 
     $this->fieldDefinition = $field_definition;
@@ -71,6 +73,7 @@ public function __construct($plugin_id, $plugin_definition, FieldDefinitionInter
     $this->label = $label;
     $this->viewMode = $view_mode;
     $this->thirdPartySettings = $third_party_settings;
+    $this->settingsLangcode = $settings_langcode;
   }
 
   /**
diff --git a/core/lib/Drupal/Core/Field/FormatterPluginManager.php b/core/lib/Drupal/Core/Field/FormatterPluginManager.php
index e6054a9..d29d101 100644
--- a/core/lib/Drupal/Core/Field/FormatterPluginManager.php
+++ b/core/lib/Drupal/Core/Field/FormatterPluginManager.php
@@ -61,6 +61,11 @@ public function createInstance($plugin_id, array $configuration = array()) {
     $plugin_definition = $this->getDefinition($plugin_id);
     $plugin_class = DefaultFactory::getPluginClass($plugin_id, $plugin_definition);
 
+    // @todo TEST CODE; REMOVE BEFORE COMMIT
+    if (!array_key_exists('settings_langcode', $configuration)) {
+      throw new \Exception('$configuration[settings_langcode] is missing in ' . $plugin_class);
+    }
+
     // @todo This is copied from \Drupal\Core\Plugin\Factory\ContainerFactory.
     //   Find a way to restore sanity to
     //   \Drupal\Core\Field\FormatterBase::__construct().
@@ -69,7 +74,7 @@ public function createInstance($plugin_id, array $configuration = array()) {
       return $plugin_class::create(\Drupal::getContainer(), $configuration, $plugin_id, $plugin_definition);
     }
 
-    return new $plugin_class($plugin_id, $plugin_definition, $configuration['field_definition'], $configuration['settings'], $configuration['label'], $configuration['view_mode'], $configuration['third_party_settings']);
+    return new $plugin_class($plugin_id, $plugin_definition, $configuration['field_definition'], $configuration['settings'], $configuration['label'], $configuration['view_mode'], $configuration['third_party_settings'], $configuration['settings_langcode']);
   }
 
   /**
@@ -94,6 +99,10 @@ public function createInstance($plugin_id, array $configuration = array()) {
    *       defaults to the default value specified in the formatter definition.
    *     - third_party_settings: (array) Settings provided by other extensions
    *       through hook_field_formatter_third_party_settings_form().
+   *     - settings_langcode: (string) The language code associated to the
+   *       settings passed above. That is typically the language code of the
+   *       configuration entity the settings are taken from (an
+   *       entity_view_display, a view...)
    *
    * @return \Drupal\Core\Field\FormatterInterface|null
    *   A formatter object or NULL when plugin is not found.
@@ -148,6 +157,7 @@ public function prepareConfiguration($field_type, array $configuration) {
       'label' => 'above',
       'settings' => array(),
       'third_party_settings' => array(),
+      'settings_langcode' => NULL,
     );
     // If no formatter is specified, use the default formatter.
     if (!isset($configuration['type'])) {
diff --git a/core/lib/Drupal/Core/Field/Plugin/Field/FieldFormatter/DecimalFormatter.php b/core/lib/Drupal/Core/Field/Plugin/Field/FieldFormatter/DecimalFormatter.php
index 0e43ac1..7c9a17b 100644
--- a/core/lib/Drupal/Core/Field/Plugin/Field/FieldFormatter/DecimalFormatter.php
+++ b/core/lib/Drupal/Core/Field/Plugin/Field/FieldFormatter/DecimalFormatter.php
@@ -32,10 +32,8 @@ class DecimalFormatter extends NumericFormatterBase {
    */
   public static function defaultSettings() {
     return array(
-      'thousand_separator' => '',
       'decimal_separator' => '.',
       'scale' => 2,
-      'prefix_suffix' => TRUE,
     ) + parent::defaultSettings();
   }
 
diff --git a/core/lib/Drupal/Core/Field/Plugin/Field/FieldFormatter/EntityReferenceEntityFormatter.php b/core/lib/Drupal/Core/Field/Plugin/Field/FieldFormatter/EntityReferenceEntityFormatter.php
index 1328f65..40d6686 100644
--- a/core/lib/Drupal/Core/Field/Plugin/Field/FieldFormatter/EntityReferenceEntityFormatter.php
+++ b/core/lib/Drupal/Core/Field/Plugin/Field/FieldFormatter/EntityReferenceEntityFormatter.php
@@ -52,13 +52,13 @@ class EntityReferenceEntityFormatter extends EntityReferenceFormatterBase implem
    *   The view mode.
    * @param array $third_party_settings
    *   Any third party settings settings.
-   * @param \Drupal\Core\Entity\EntityManagerInterface $entity_manager
-   *   The entity manager.
+   * @param string $settings_langcode
+   *   The language code associated with the settings passed above.
    * @param LoggerChannelFactoryInterface $logger_factory
    *   The logger factory.
    */
-  public function __construct($plugin_id, $plugin_definition, FieldDefinitionInterface $field_definition, array $settings, $label, $view_mode, array $third_party_settings, LoggerChannelFactoryInterface $logger_factory) {
-    parent::__construct($plugin_id, $plugin_definition, $field_definition, $settings, $label, $view_mode, $third_party_settings);
+  public function __construct($plugin_id, $plugin_definition, FieldDefinitionInterface $field_definition, array $settings, $label, $view_mode, array $third_party_settings, $settings_langcode, LoggerChannelFactoryInterface $logger_factory) {
+    parent::__construct($plugin_id, $plugin_definition, $field_definition, $settings, $label, $view_mode, $third_party_settings, $settings_langcode);
     $this->loggerFactory = $logger_factory;
   }
 
@@ -74,6 +74,7 @@ public static function create(ContainerInterface $container, array $configuratio
       $configuration['label'],
       $configuration['view_mode'],
       $configuration['third_party_settings'],
+      $configuration['settings_langcode'],
       $container->get('logger.factory')
     );
   }
diff --git a/core/lib/Drupal/Core/Field/Plugin/Field/FieldFormatter/IntegerFormatter.php b/core/lib/Drupal/Core/Field/Plugin/Field/FieldFormatter/IntegerFormatter.php
index 8768474..20e5d4b 100644
--- a/core/lib/Drupal/Core/Field/Plugin/Field/FieldFormatter/IntegerFormatter.php
+++ b/core/lib/Drupal/Core/Field/Plugin/Field/FieldFormatter/IntegerFormatter.php
@@ -27,16 +27,6 @@ class IntegerFormatter extends NumericFormatterBase {
   /**
    * {@inheritdoc}
    */
-  public static function defaultSettings() {
-    return array(
-      'thousand_separator' => '',
-      'prefix_suffix' => TRUE,
-    ) + parent::defaultSettings();
-  }
-
-  /**
-   * {@inheritdoc}
-   */
   protected function numberFormat($number) {
     return number_format($number, 0, '', $this->getSetting('thousand_separator'));
   }
diff --git a/core/lib/Drupal/Core/Field/Plugin/Field/FieldFormatter/LanguageFormatter.php b/core/lib/Drupal/Core/Field/Plugin/Field/FieldFormatter/LanguageFormatter.php
index 3b43147..7c314dd 100644
--- a/core/lib/Drupal/Core/Field/Plugin/Field/FieldFormatter/LanguageFormatter.php
+++ b/core/lib/Drupal/Core/Field/Plugin/Field/FieldFormatter/LanguageFormatter.php
@@ -52,13 +52,15 @@ class LanguageFormatter extends StringFormatter {
    *   The view mode.
    * @param array $third_party_settings
    *   Any third party settings settings.
+   * @param string $settings_langcode
+   *   The language code associated with the settings passed above.
    * @param \Drupal\Core\Entity\EntityManagerInterface $entity_manager
    *   The entity manager.
    * @param \Drupal\Core\Language\LanguageManagerInterface $language_manager
    *   The language manager.
    */
-  public function __construct($plugin_id, $plugin_definition, FieldDefinitionInterface $field_definition, array $settings, $label, $view_mode, array $third_party_settings, EntityManagerInterface $entity_manager, LanguageManagerInterface $language_manager) {
-    parent::__construct($plugin_id, $plugin_definition, $field_definition, $settings, $label, $view_mode, $third_party_settings, $entity_manager);
+  public function __construct($plugin_id, $plugin_definition, FieldDefinitionInterface $field_definition, array $settings, $label, $view_mode, array $third_party_settings, $settings_langcode, EntityManagerInterface $entity_manager, LanguageManagerInterface $language_manager) {
+    parent::__construct($plugin_id, $plugin_definition, $field_definition, $settings, $label, $view_mode, $third_party_settings, $settings_langcode, $entity_manager);
 
     $this->languageManager = $language_manager;
   }
@@ -75,6 +77,7 @@ public static function create(ContainerInterface $container, array $configuratio
       $configuration['label'],
       $configuration['view_mode'],
       $configuration['third_party_settings'],
+      $configuration['settings_langcode'],
       $container->get('entity.manager'),
       $container->get('language_manager')
     );
diff --git a/core/lib/Drupal/Core/Field/Plugin/Field/FieldFormatter/NumericFormatterBase.php b/core/lib/Drupal/Core/Field/Plugin/Field/FieldFormatter/NumericFormatterBase.php
index c30a9d2..1a167d5 100644
--- a/core/lib/Drupal/Core/Field/Plugin/Field/FieldFormatter/NumericFormatterBase.php
+++ b/core/lib/Drupal/Core/Field/Plugin/Field/FieldFormatter/NumericFormatterBase.php
@@ -22,6 +22,18 @@
   /**
    * {@inheritdoc}
    */
+  public static function defaultSettings() {
+    return array(
+      'thousand_separator' => '',
+      'prefix_suffix' => TRUE,
+      'format_plural' => FALSE,
+      'format_plural_string' => '1' . LOCALE_PLURAL_DELIMITER . '@count',
+    ) + parent::defaultSettings();
+  }
+
+  /**
+   * {@inheritdoc}
+   */
   public function settingsForm(array $form, FormStateInterface $form_state) {
     $options = array(
       ''  => t('- None -'),
@@ -46,10 +58,71 @@ public function settingsForm(array $form, FormStateInterface $form_state) {
       '#weight' => 10,
     );
 
+    $elements['format_plural'] = array(
+      '#type' => 'checkbox',
+      '#title' => $this->t('Use plural formatting'),
+      '#description' => $this->t('If checked, special handling will be used for plurality.'),
+      '#default_value' => $this->getSetting('format_plural'),
+    );
+    $plural_array = explode(LOCALE_PLURAL_DELIMITER, $this->getSetting('format_plural_string'));
+    $elements['format_plural_values'] = array(
+      '#after_build' => [[get_class($this), 'formatPluralValuesAfterBuild']],
+    );
+    $plurals = $this->getNumberOfPlurals($this->settingsLangcode);
+    for ($i = 0; $i < $plurals; $i++) {
+      $elements['format_plural_values'][$i] = array(
+        '#type' => 'textfield',
+        '#title' => ($i == 0 ? $this->t('Singular form') : $this->formatPlural($i, 'First plural form', '@count. plural form')),
+        '#default_value' => isset($plural_array[$i]) ? $plural_array[$i] : '',
+        '#description' => $this->t('Text to use for this variant, @count will be replaced with the value.'),
+        '#states' => array(
+          'visible' => array(
+            ':input[name="options[format_plural]"]' => array('checked' => TRUE),
+          ),
+        ),
+      );
+    }
+    if ($plurals == 2) {
+      // Simplify user interface text for the most common case.
+      $elements['format_plural_values'][0]['#description'] = $this->t('Text to use for the singular form, @count will be replaced with the value.');
+      $elements['format_plural_values'][1]['#title'] = $this->t('Plural form');
+      $elements['format_plural_values'][1]['#description'] = $this->t('Text to use for the plural form, @count will be replaced with the value.');
+    }
     return $elements;
   }
 
   /**
+   * After-build callback: Sets the value for the format_plural_string property.
+   *
+   * This method is assigned as an #after_build function in
+   * \namespace\class::settingsForm().
+   *
+   * The user interface for setting up singular/plural forms is an array of text
+   * fields, for usability, but for translation purposes, the values have to be
+   * stored as a single string in the field settings. This function implodes the
+   * values.
+   *
+   * @param array $element
+   *   Textfield element where the plural format should be set.
+   * @param \Drupal\Core\Form\FormStateInterface $form_state
+   *   The current state of the form.
+   *
+   * @return array
+   *   Textfield element with plural string set.
+   */
+  public static function formatPluralValuesAfterBuild($element, FormStateInterface $form_state) {
+    if ($form_state->isProcessingInput()) {
+      $keys = $element['#parents'];
+      $array_value = $form_state->getValue($keys);
+      $string_value = implode(LOCALE_PLURAL_DELIMITER, $array_value);
+      array_pop($keys);
+      $keys[] = 'format_plural_string';
+      $form_state->setValue($keys, $string_value);
+    }
+    return $element;
+  }
+
+  /**
    * {@inheritdoc}
    */
   public function settingsSummary() {
@@ -73,6 +146,10 @@ public function viewElements(FieldItemListInterface $items) {
     foreach ($items as $delta => $item) {
       $output = $this->numberFormat($item->value);
 
+      if ($this->getSetting('format_plural')) {
+        $output = $this->formatPluralTranslated($output, $this->getSetting('format_plural_string'));
+      }
+
       // Account for prefix and suffix.
       if ($this->getSetting('prefix_suffix')) {
         $prefixes = isset($settings['prefix']) ? array_map(array($this, 'fieldFilterXss'), explode('|', $settings['prefix'])) : array('');
diff --git a/core/lib/Drupal/Core/Field/Plugin/Field/FieldFormatter/StringFormatter.php b/core/lib/Drupal/Core/Field/Plugin/Field/FieldFormatter/StringFormatter.php
index 6276f95..2efa26c 100644
--- a/core/lib/Drupal/Core/Field/Plugin/Field/FieldFormatter/StringFormatter.php
+++ b/core/lib/Drupal/Core/Field/Plugin/Field/FieldFormatter/StringFormatter.php
@@ -52,11 +52,13 @@ class StringFormatter extends FormatterBase implements ContainerFactoryPluginInt
    *   The view mode.
    * @param array $third_party_settings
    *   Any third party settings settings.
+   * @param string $settings_langcode
+   *   The language code associated with the settings passed above.
    * @param \Drupal\Core\Entity\EntityManagerInterface $entity_manager
    *   The entity manager.
    */
-  public function __construct($plugin_id, $plugin_definition, FieldDefinitionInterface $field_definition, array $settings, $label, $view_mode, array $third_party_settings, EntityManagerInterface $entity_manager) {
-    parent::__construct($plugin_id, $plugin_definition, $field_definition, $settings, $label, $view_mode, $third_party_settings);
+  public function __construct($plugin_id, $plugin_definition, FieldDefinitionInterface $field_definition, array $settings, $label, $view_mode, array $third_party_settings, $settings_langcode, EntityManagerInterface $entity_manager) {
+    parent::__construct($plugin_id, $plugin_definition, $field_definition, $settings, $label, $view_mode, $third_party_settings, $settings_langcode);
 
     $this->entityManager = $entity_manager;
   }
@@ -73,6 +75,7 @@ public static function create(ContainerInterface $container, array $configuratio
       $configuration['label'],
       $configuration['view_mode'],
       $configuration['third_party_settings'],
+      $configuration['settings_langcode'],
       $container->get('entity.manager')
     );
   }
diff --git a/core/lib/Drupal/Core/Field/Plugin/Field/FieldFormatter/TimestampAgoFormatter.php b/core/lib/Drupal/Core/Field/Plugin/Field/FieldFormatter/TimestampAgoFormatter.php
index 90dfadc..3588bba 100644
--- a/core/lib/Drupal/Core/Field/Plugin/Field/FieldFormatter/TimestampAgoFormatter.php
+++ b/core/lib/Drupal/Core/Field/Plugin/Field/FieldFormatter/TimestampAgoFormatter.php
@@ -63,13 +63,15 @@ class TimestampAgoFormatter extends FormatterBase implements ContainerFactoryPlu
    *   The view mode.
    * @param array $third_party_settings
    *   Any third party settings.
+   * @param string $settings_langcode
+   *   The language code associated with the settings passed above.
    * @param \Drupal\Core\Datetime\DateFormatter $date_formatter
    *   The date formatter service.
    * @param \Symfony\Component\HttpFoundation\Request $request
    *   The current request.
    */
-  public function __construct($plugin_id, $plugin_definition, FieldDefinitionInterface $field_definition, array $settings, $label, $view_mode, array $third_party_settings, DateFormatter $date_formatter, Request $request) {
-    parent::__construct($plugin_id, $plugin_definition, $field_definition, $settings, $label, $view_mode, $third_party_settings);
+  public function __construct($plugin_id, $plugin_definition, FieldDefinitionInterface $field_definition, array $settings, $label, $view_mode, array $third_party_settings, $settings_langcode, DateFormatter $date_formatter, Request $request) {
+    parent::__construct($plugin_id, $plugin_definition, $field_definition, $settings, $label, $view_mode, $third_party_settings, $settings_langcode);
 
     $this->dateFormatter = $date_formatter;
     $this->request = $request;
@@ -88,6 +90,7 @@ public static function create(ContainerInterface $container, array $configuratio
       $configuration['label'],
       $configuration['view_mode'],
       $configuration['third_party_settings'],
+      $configuration['settings_langcode'],
       $container->get('date.formatter'),
       $container->get('request_stack')->getCurrentRequest()
     );
diff --git a/core/lib/Drupal/Core/Field/Plugin/Field/FieldFormatter/TimestampFormatter.php b/core/lib/Drupal/Core/Field/Plugin/Field/FieldFormatter/TimestampFormatter.php
index 36bfe15..f949699 100644
--- a/core/lib/Drupal/Core/Field/Plugin/Field/FieldFormatter/TimestampFormatter.php
+++ b/core/lib/Drupal/Core/Field/Plugin/Field/FieldFormatter/TimestampFormatter.php
@@ -62,13 +62,15 @@ class TimestampFormatter extends FormatterBase implements ContainerFactoryPlugin
    *   The view mode.
    * @param array $third_party_settings
    *   Third party settings.
+   * @param string $settings_langcode
+   *   The language code associated with the settings passed above.
    * @param \Drupal\Core\Datetime\DateFormatter $date_formatter
    *   The date formatter service.
    * @param \Drupal\Core\Entity\EntityStorageInterface $date_format_storage
    *   The date format storage.
    */
-  public function __construct($plugin_id, $plugin_definition, FieldDefinitionInterface $field_definition, array $settings, $label, $view_mode, array $third_party_settings, DateFormatter $date_formatter, EntityStorageInterface $date_format_storage) {
-    parent::__construct($plugin_id, $plugin_definition, $field_definition, $settings, $label, $view_mode, $third_party_settings);
+  public function __construct($plugin_id, $plugin_definition, FieldDefinitionInterface $field_definition, array $settings, $label, $view_mode, array $third_party_settings, $settings_langcode, DateFormatter $date_formatter, EntityStorageInterface $date_format_storage) {
+    parent::__construct($plugin_id, $plugin_definition, $field_definition, $settings, $label, $view_mode, $third_party_settings, $settings_langcode);
 
     $this->dateFormatter = $date_formatter;
     $this->dateFormatStorage = $date_format_storage;
@@ -86,6 +88,7 @@ public static function create(ContainerInterface $container, array $configuratio
       $configuration['label'],
       $configuration['view_mode'],
       $configuration['third_party_settings'],
+      $configuration['settings_langcode'],
       $container->get('date.formatter'),
       $container->get('entity.manager')->getStorage('date_format')
     );
diff --git a/core/modules/comment/src/Plugin/Field/FieldFormatter/CommentDefaultFormatter.php b/core/modules/comment/src/Plugin/Field/FieldFormatter/CommentDefaultFormatter.php
index acef616..7e87543 100644
--- a/core/modules/comment/src/Plugin/Field/FieldFormatter/CommentDefaultFormatter.php
+++ b/core/modules/comment/src/Plugin/Field/FieldFormatter/CommentDefaultFormatter.php
@@ -95,6 +95,7 @@ public static function create(ContainerInterface $container, array $configuratio
       $configuration['label'],
       $configuration['view_mode'],
       $configuration['third_party_settings'],
+      $configuration['settings_langcode'],
       $container->get('current_user'),
       $container->get('entity.manager'),
       $container->get('entity.form_builder')
@@ -118,6 +119,8 @@ public static function create(ContainerInterface $container, array $configuratio
    *   The view mode.
    * @param array $third_party_settings
    *   Third party settings.
+   * @param string $settings_langcode
+   *   The language code associated with the settings passed above.
    * @param \Drupal\Core\Session\AccountInterface $current_user
    *   The current user.
    * @param \Drupal\Core\Entity\EntityManagerInterface $entity_manager
@@ -125,8 +128,8 @@ public static function create(ContainerInterface $container, array $configuratio
    * @param \Drupal\Core\Entity\EntityFormBuilderInterface $entity_form_builder
    *   The entity form builder.
    */
-  public function __construct($plugin_id, $plugin_definition, FieldDefinitionInterface $field_definition, array $settings, $label, $view_mode, array $third_party_settings, AccountInterface $current_user, EntityManagerInterface $entity_manager, EntityFormBuilderInterface $entity_form_builder) {
-    parent::__construct($plugin_id, $plugin_definition, $field_definition, $settings, $label, $view_mode, $third_party_settings);
+  public function __construct($plugin_id, $plugin_definition, FieldDefinitionInterface $field_definition, array $settings, $label, $view_mode, array $third_party_settings, $settings_langcode, AccountInterface $current_user, EntityManagerInterface $entity_manager, EntityFormBuilderInterface $entity_form_builder) {
+    parent::__construct($plugin_id, $plugin_definition, $field_definition, $settings, $label, $view_mode, $third_party_settings, $settings_langcode);
     $this->viewBuilder = $entity_manager->getViewBuilder('comment');
     $this->storage = $entity_manager->getStorage('comment');
     $this->currentUser = $current_user;
diff --git a/core/modules/datetime/src/Plugin/Field/FieldFormatter/DateTimeFormatterBase.php b/core/modules/datetime/src/Plugin/Field/FieldFormatter/DateTimeFormatterBase.php
index aad8c16..4000af5 100644
--- a/core/modules/datetime/src/Plugin/Field/FieldFormatter/DateTimeFormatterBase.php
+++ b/core/modules/datetime/src/Plugin/Field/FieldFormatter/DateTimeFormatterBase.php
@@ -53,13 +53,15 @@
    *   The view mode.
    * @param array $third_party_settings
    *   Third party settings.
+   * @param string $settings_langcode
+   *   The language code associated with the settings passed above.
    * @param \Drupal\Core\Datetime\DateFormatter $date_formatter
    *   The date formatter service.
    * @param \Drupal\Core\Entity\EntityStorageInterface $date_format_storage
    *   The date format entity storage.
    */
-  public function __construct($plugin_id, $plugin_definition, FieldDefinitionInterface $field_definition, array $settings, $label, $view_mode, array $third_party_settings, DateFormatter $date_formatter, EntityStorageInterface $date_format_storage) {
-    parent::__construct($plugin_id, $plugin_definition, $field_definition, $settings, $label, $view_mode, $third_party_settings);
+  public function __construct($plugin_id, $plugin_definition, FieldDefinitionInterface $field_definition, array $settings, $label, $view_mode, array $third_party_settings, $settings_langcode, DateFormatter $date_formatter, EntityStorageInterface $date_format_storage) {
+    parent::__construct($plugin_id, $plugin_definition, $field_definition, $settings, $label, $view_mode, $third_party_settings, $settings_langcode);
 
     $this->dateFormatter = $date_formatter;
     $this->dateFormatStorage = $date_format_storage;
@@ -77,6 +79,7 @@ public static function create(ContainerInterface $container, array $configuratio
       $configuration['label'],
       $configuration['view_mode'],
       $configuration['third_party_settings'],
+      $configuration['settings_langcode'],
       $container->get('date.formatter'),
       $container->get('entity.manager')->getStorage('date_format')
     );
diff --git a/core/modules/datetime/src/Plugin/Field/FieldFormatter/DateTimeTimeAgoFormatter.php b/core/modules/datetime/src/Plugin/Field/FieldFormatter/DateTimeTimeAgoFormatter.php
index 0bc56c6..14cdffc 100644
--- a/core/modules/datetime/src/Plugin/Field/FieldFormatter/DateTimeTimeAgoFormatter.php
+++ b/core/modules/datetime/src/Plugin/Field/FieldFormatter/DateTimeTimeAgoFormatter.php
@@ -62,13 +62,15 @@ class DateTimeTimeAgoFormatter extends FormatterBase implements ContainerFactory
    *   The view mode.
    * @param array $third_party_settings
    *   Third party settings.
+   * @param string $settings_langcode
+   *   The language code associated with the settings passed above.
    * @param \Drupal\Core\Datetime\DateFormatter $date_formatter
    *   The date formatter service.
    * @param \Symfony\Component\HttpFoundation\Request $request
    *   The current request.
    */
-  public function __construct($plugin_id, $plugin_definition, FieldDefinitionInterface $field_definition, array $settings, $label, $view_mode, array $third_party_settings, DateFormatter $date_formatter, Request $request) {
-    parent::__construct($plugin_id, $plugin_definition, $field_definition, $settings, $label, $view_mode, $third_party_settings);
+  public function __construct($plugin_id, $plugin_definition, FieldDefinitionInterface $field_definition, array $settings, $label, $view_mode, array $third_party_settings, $settings_langcode, DateFormatter $date_formatter, Request $request) {
+    parent::__construct($plugin_id, $plugin_definition, $field_definition, $settings, $label, $view_mode, $third_party_settings, $settings_langcode);
 
     $this->dateFormatter = $date_formatter;
     $this->request = $request;
@@ -99,6 +101,7 @@ public static function create(ContainerInterface $container, array $configuratio
       $configuration['label'],
       $configuration['view_mode'],
       $configuration['third_party_settings'],
+      $configuration['settings_langcode'],
       $container->get('date.formatter'),
       $container->get('request_stack')->getCurrentRequest()
     );
diff --git a/core/modules/field/src/Tests/Number/NumberFieldTest.php b/core/modules/field/src/Tests/Number/NumberFieldTest.php
index 0a22b74..f429ddb 100644
--- a/core/modules/field/src/Tests/Number/NumberFieldTest.php
+++ b/core/modules/field/src/Tests/Number/NumberFieldTest.php
@@ -456,6 +456,21 @@ function testNumberFormatter() {
 
     $integer_formatted = number_format($random_integer, 0, '', $thousand_separator);
     $this->assertRaw($integer_formatted, 'Random integer formatted');
+
+    // Check with plural formatting settings.
+    $this->drupalGet("admin/structure/types/manage/$type/display");
+    $this->drupalPostAjaxForm(NULL, array(), "${integer_field}_settings_edit");
+    $edit["fields[${integer_field}][settings_edit_form][settings][format_plural]"] = TRUE;
+    $edit["fields[${integer_field}][settings_edit_form][settings][format_plural_values][0]"] = '1 item';
+    $edit["fields[${integer_field}][settings_edit_form][settings][format_plural_values][1]"] = '@count items';
+    $this->drupalPostAjaxForm(NULL, $edit, "${integer_field}_plugin_settings_update");
+    $this->drupalPostForm(NULL, array(), t('Save'));
+
+    $this->drupalGet('node/' . $node->id());
+
+    $integer_formatted = number_format($random_integer, 0, '', $thousand_separator);
+    $format_plural = $integer_formatted . ' item' . ($random_integer == 1 ? '' : 's');
+    $this->assertRaw($format_plural, 'Random integer formatted');
   }
 
   /**
diff --git a/core/modules/image/src/Plugin/Field/FieldFormatter/ImageFormatter.php b/core/modules/image/src/Plugin/Field/FieldFormatter/ImageFormatter.php
index 5f15073..d5fa94b 100644
--- a/core/modules/image/src/Plugin/Field/FieldFormatter/ImageFormatter.php
+++ b/core/modules/image/src/Plugin/Field/FieldFormatter/ImageFormatter.php
@@ -70,13 +70,15 @@ class ImageFormatter extends ImageFormatterBase implements ContainerFactoryPlugi
    *   The view mode.
    * @param array $third_party_settings
    *   Any third party settings settings.
+   * @param string $settings_langcode
+   *   The language code associated with the settings passed above.
    * @param \Drupal\Core\Session\AccountInterface $current_user
    *   The current user.
    * @param \Drupal\Core\Utility\LinkGeneratorInterface $link_generator
    *   The link generator service.
    */
-  public function __construct($plugin_id, $plugin_definition, FieldDefinitionInterface $field_definition, array $settings, $label, $view_mode, array $third_party_settings, AccountInterface $current_user, LinkGeneratorInterface $link_generator, EntityStorageInterface $image_style_storage) {
-    parent::__construct($plugin_id, $plugin_definition, $field_definition, $settings, $label, $view_mode, $third_party_settings);
+  public function __construct($plugin_id, $plugin_definition, FieldDefinitionInterface $field_definition, array $settings, $label, $view_mode, array $third_party_settings, $settings_langcode, AccountInterface $current_user, LinkGeneratorInterface $link_generator, EntityStorageInterface $image_style_storage) {
+    parent::__construct($plugin_id, $plugin_definition, $field_definition, $settings, $label, $view_mode, $third_party_settings, $settings_langcode);
     $this->currentUser = $current_user;
     $this->linkGenerator = $link_generator;
     $this->imageStyleStorage = $image_style_storage;
@@ -94,6 +96,7 @@ public static function create(ContainerInterface $container, array $configuratio
       $configuration['label'],
       $configuration['view_mode'],
       $configuration['third_party_settings'],
+      $configuration['settings_langcode'],
       $container->get('current_user'),
       $container->get('link_generator'),
       $container->get('entity.manager')->getStorage('image_style')
diff --git a/core/modules/link/src/Plugin/Field/FieldFormatter/LinkFormatter.php b/core/modules/link/src/Plugin/Field/FieldFormatter/LinkFormatter.php
index eb3804a..5cf1565 100644
--- a/core/modules/link/src/Plugin/Field/FieldFormatter/LinkFormatter.php
+++ b/core/modules/link/src/Plugin/Field/FieldFormatter/LinkFormatter.php
@@ -53,6 +53,7 @@ public static function create(ContainerInterface $container, array $configuratio
       $configuration['label'],
       $configuration['view_mode'],
       $configuration['third_party_settings'],
+      $configuration['settings_langcode'],
       $container->get('path.validator')
     );
   }
@@ -74,11 +75,13 @@ public static function create(ContainerInterface $container, array $configuratio
    *   The view mode.
    * @param array $third_party_settings
    *   Third party settings.
+   * @param string $settings_langcode
+   *   The language code associated with the settings passed above.
    * @param \Drupal\Core\Path\PathValidatorInterface $path_validator
    *   The path validator service.
    */
-  public function __construct($plugin_id, $plugin_definition, FieldDefinitionInterface $field_definition, array $settings, $label, $view_mode, array $third_party_settings, PathValidatorInterface $path_validator) {
-    parent::__construct($plugin_id, $plugin_definition, $field_definition, $settings, $label, $view_mode, $third_party_settings);
+  public function __construct($plugin_id, $plugin_definition, FieldDefinitionInterface $field_definition, array $settings, $label, $view_mode, array $third_party_settings, $settings_langcode, PathValidatorInterface $path_validator) {
+    parent::__construct($plugin_id, $plugin_definition, $field_definition, $settings, $label, $view_mode, $third_party_settings, $settings_langcode);
     $this->pathValidator = $path_validator;
   }
 
diff --git a/core/modules/migrate_drupal/src/Plugin/migrate/process/d6/FieldFormatterSettingsDefaults.php b/core/modules/migrate_drupal/src/Plugin/migrate/process/d6/FieldFormatterSettingsDefaults.php
index a1b7856..45eb6e6 100644
--- a/core/modules/migrate_drupal/src/Plugin/migrate/process/d6/FieldFormatterSettingsDefaults.php
+++ b/core/modules/migrate_drupal/src/Plugin/migrate/process/d6/FieldFormatterSettingsDefaults.php
@@ -132,7 +132,8 @@ protected function numberSettings($type, $format) {
       ],
     ];
 
-    return isset($map[$type][$format]) ? $map[$type][$format] : [];
+    $default = ['format_plural' => FALSE, 'format_plural_string' => '1' . LOCALE_PLURAL_DELIMITER . '@count'];
+    return isset($map[$type][$format]) ? $map[$type][$format] + $default : [];
   }
 
 }
diff --git a/core/modules/migrate_drupal/src/Tests/d6/MigrateFieldFormatterSettingsTest.php b/core/modules/migrate_drupal/src/Tests/d6/MigrateFieldFormatterSettingsTest.php
index 1516954..457ef19 100644
--- a/core/modules/migrate_drupal/src/Tests/d6/MigrateFieldFormatterSettingsTest.php
+++ b/core/modules/migrate_drupal/src/Tests/d6/MigrateFieldFormatterSettingsTest.php
@@ -122,16 +122,20 @@ public function testEntityDisplaySettings() {
     $expected['settings'] = array(
       'thousand_separator' => ',',
       'prefix_suffix' => TRUE,
+      'format_plural' => FALSE,
+      'format_plural_string' => '1' . LOCALE_PLURAL_DELIMITER . '@count'
     );
     $component = $display->getComponent('field_test_two');
     $this->assertIdentical($expected, $component);
     $expected['weight'] = 2;
     $expected['type'] = 'number_decimal';
     $expected['settings'] = array(
-       'scale' => 2,
-       'decimal_separator' => '.',
-       'thousand_separator' => ',',
-       'prefix_suffix' => TRUE,
+      'scale' => 2,
+      'decimal_separator' => '.',
+      'thousand_separator' => ',',
+      'prefix_suffix' => TRUE,
+      'format_plural' => FALSE,
+      'format_plural_string' => '1' . LOCALE_PLURAL_DELIMITER . '@count'
     );
     $component = $display->getComponent('field_test_three');
     $this->assertIdentical($expected, $component);
diff --git a/core/modules/responsive_image/src/Plugin/Field/FieldFormatter/ResponsiveImageFormatter.php b/core/modules/responsive_image/src/Plugin/Field/FieldFormatter/ResponsiveImageFormatter.php
index 3620501..6e8bf69 100644
--- a/core/modules/responsive_image/src/Plugin/Field/FieldFormatter/ResponsiveImageFormatter.php
+++ b/core/modules/responsive_image/src/Plugin/Field/FieldFormatter/ResponsiveImageFormatter.php
@@ -59,13 +59,15 @@ class ResponsiveImageFormatter extends ImageFormatterBase implements ContainerFa
    *   The view mode.
    * @param array $third_party_settings
    *   Any third party settings.
+   * @param string $settings_langcode
+   *   The language code associated with the settings passed above.
    * @param \Drupal\Core\Entity\EntityStorageInterface $responsive_image_style_storage
    *   The responsive image style storage.
    * @param \Drupal\Core\Entity\EntityStorageInterface $image_style_storage
    *   The image style storage.
    */
-  public function __construct($plugin_id, $plugin_definition, FieldDefinitionInterface $field_definition, array $settings, $label, $view_mode, array $third_party_settings, EntityStorageInterface $responsive_image_style_storage, EntityStorageInterface $image_style_storage) {
-    parent::__construct($plugin_id, $plugin_definition, $field_definition, $settings, $label, $view_mode, $third_party_settings);
+  public function __construct($plugin_id, $plugin_definition, FieldDefinitionInterface $field_definition, array $settings, $label, $view_mode, array $third_party_settings, $settings_langcode, EntityStorageInterface $responsive_image_style_storage, EntityStorageInterface $image_style_storage) {
+    parent::__construct($plugin_id, $plugin_definition, $field_definition, $settings, $label, $view_mode, $third_party_settings, $settings_langcode);
 
     $this->responsiveImageStyleStorage = $responsive_image_style_storage;
     $this->imageStyleStorage = $image_style_storage;
@@ -83,6 +85,7 @@ public static function create(ContainerInterface $container, array $configuratio
       $configuration['label'],
       $configuration['view_mode'],
       $configuration['third_party_settings'],
+      $configuration['settings_langcode'],
       $container->get('entity.manager')->getStorage('responsive_image_style'),
       $container->get('entity.manager')->getStorage('image_style')
     );
diff --git a/core/modules/views/src/Entity/Render/EntityFieldRenderer.php b/core/modules/views/src/Entity/Render/EntityFieldRenderer.php
index 66d4fcf..7146fff 100644
--- a/core/modules/views/src/Entity/Render/EntityFieldRenderer.php
+++ b/core/modules/views/src/Entity/Render/EntityFieldRenderer.php
@@ -196,6 +196,8 @@ protected function buildFields(array $values) {
 
     if ($values && ($field_ids = $this->getRenderableFieldIds())) {
       $entity_type_id = $this->getEntityTypeId();
+      // @todo could use double-check from dawehner / plach :-)
+      $settings_langcode = $this->view->storage->language()->getId();
 
       // Collect the entities for the relationship, fetch the right translation,
       // and group by bundle. For each result row, the corresponding entity can
@@ -230,6 +232,7 @@ protected function buildFields(array $values) {
             'targetEntityType' => $entity_type_id,
             'bundle' => $bundle,
             'status' => TRUE,
+            'langcode' => $settings_langcode,
           ]);
           foreach ($display_fields as $field_id => $field) {
             $display->setComponent($field->definition['field_name'], [
diff --git a/core/modules/views/src/Plugin/views/field/Field.php b/core/modules/views/src/Plugin/views/field/Field.php
index 251d025..7677814 100644
--- a/core/modules/views/src/Plugin/views/field/Field.php
+++ b/core/modules/views/src/Plugin/views/field/Field.php
@@ -476,6 +476,8 @@ public function buildOptionsForm(&$form, FormStateInterface $form_state) {
       'configuration' => array(
         'type' => $format,
         'settings' => $settings,
+        // @todo could use double-check from dawehner / plach :-)
+        'settings_langcode' => $this->view->storage->language()->getId(),
         'label' => '',
         'weight' => 0,
       ),