diff --git a/core/core.services.yml b/core/core.services.yml
index 2b81197..cffc627 100644
--- a/core/core.services.yml
+++ b/core/core.services.yml
@@ -510,7 +510,7 @@ services:
       - { name: string_translator, priority: 30 }
   string_translation:
     class: Drupal\Core\StringTranslation\TranslationManager
-    arguments: ['@language_manager']
+    arguments: ['@language_manager', '@state']
     calls:
       - [initLanguageManager]
     tags:
diff --git a/core/lib/Drupal/Core/StringTranslation/StringTranslationTrait.php b/core/lib/Drupal/Core/StringTranslation/StringTranslationTrait.php
index 85a6e3f..0946709 100644
--- a/core/lib/Drupal/Core/StringTranslation/StringTranslationTrait.php
+++ b/core/lib/Drupal/Core/StringTranslation/StringTranslationTrait.php
@@ -53,6 +53,28 @@ protected function formatPlural($count, $singular, $plural, array $args = array(
   }
 
   /**
+   * Formats a translated string containing a count of items.
+   *
+   * See the
+   * \Drupal\Core\StringTranslation\TranslationInterface::formatPluralTranslated()
+   * documentation for details.
+   */
+  protected function formatPluralTranslated($count, $translated, array $args = array(), array $options = array()) {
+    return $this->getStringTranslation()->formatPluralTranslated($count, $translated, $args, $options);
+  }
+
+  /**
+   * Returns number of plurals supported by a given language.
+   *
+   * See the
+   * \Drupal\Core\StringTranslation\TranslationInterface::getNumberOfPlurals()
+   * documentation for details.
+   */
+  protected function getNumberOfPlurals($langcode = NULL) {
+    return $this->getStringTranslation()->getNumberOfPlurals($langcode);
+  }
+
+  /**
    * Gets the string translation service.
    *
    * @return \Drupal\Core\StringTranslation\TranslationInterface
diff --git a/core/lib/Drupal/Core/StringTranslation/TranslationInterface.php b/core/lib/Drupal/Core/StringTranslation/TranslationInterface.php
index bc560cf..d3626a6 100644
--- a/core/lib/Drupal/Core/StringTranslation/TranslationInterface.php
+++ b/core/lib/Drupal/Core/StringTranslation/TranslationInterface.php
@@ -41,7 +41,7 @@ public function translate($string, array $args = array(), array $options = array
    *
    * This function ensures that the string is pluralized correctly. Since t() is
    * called by this function, make sure not to pass already-localized strings to
-   * it.
+   * it. See formatPluralTranslated() for that.
    *
    * For example:
    * @code
@@ -71,7 +71,8 @@ public function translate($string, array $args = array(), array $options = array
    *   of any key in this array are replaced with the corresponding value.
    *   Based on the first character of the key, the value is escaped and/or
    *   themed. See format_string(). Note that you do not need to include @count
-   *   in this array; this replacement is done automatically for the plural case.
+   *   in this array; this replacement is done automatically for the plural
+   *   cases.
    * @param array $options
    *   An associative array of additional options. See t() for allowed keys.
    *
@@ -82,7 +83,53 @@ public function translate($string, array $args = array(), array $options = array
    * @see \Drupal\Component\Utility\String
    * @see t()
    * @see format_string()
+   * @see self::formatPluralTranslated
    */
   public function formatPlural($count, $singular, $plural, array $args = array(), array $options = array());
 
+  /**
+   * Formats an already translated string containing a count of items.
+   *
+   * This function ensures that the string is pluralized correctly. As opposed
+   * to the formatPlural() method, this method is designed to be invoked with
+   * a string already translated (such as with configuration translation).
+   *
+   * @param int $count
+   *   The item count to display.
+   * @param string $translation
+   *   The string containing the translation of a singular/plural pair. It may
+   *   contain any number of possible variants (depending on the language
+   *   translated to) separated by the value of the LOCALE_PLURAL_DELIMITER
+   *   constant.
+   * @param array $args
+   *   Associative array of replacements to make in the translation. Instances
+   *   of any key in this array are replaced with the corresponding value.
+   *   Based on the first character of the key, the value is escaped and/or
+   *   themed. See format_string(). Note that you do not need to include @count
+   *   in this array; this replacement is done automatically for the plural
+   *   cases.
+   * @param array $options
+   *   An associative array of additional options. t() defines all allowed keys.
+   *   The 'context' key is not supported because the passed string is already
+   *   translated.
+   *
+   * @return string
+   *   The correct substring for the given $count with $args replaced.
+   *
+   * @see self::formatPlural
+   * @see format_string()
+   */
+  public function formatPluralTranslated($count, $translation, array $args = array(), array $options = array());
+
+  /**
+   * Returns number of plurals supported by a given language.
+   *
+   * @param null $langcode
+   *   (optional) The language code. If not provided, the current language
+   *   will be used.
+   * @return int
+   *   Number of plural variants supported by the given language.
+   */
+  public function getNumberOfPlurals($langcode = NULL);
+
 }
diff --git a/core/lib/Drupal/Core/StringTranslation/TranslationManager.php b/core/lib/Drupal/Core/StringTranslation/TranslationManager.php
index cdfc2df..9820d4c 100644
--- a/core/lib/Drupal/Core/StringTranslation/TranslationManager.php
+++ b/core/lib/Drupal/Core/StringTranslation/TranslationManager.php
@@ -10,6 +10,7 @@
 use Drupal\Component\Utility\SafeMarkup;
 use Drupal\Component\Utility\String;
 use Drupal\Core\Language\LanguageManagerInterface;
+use Drupal\Core\State\StateInterface;
 use Drupal\Core\StringTranslation\Translator\TranslatorInterface;
 
 /**
@@ -54,14 +55,24 @@ class TranslationManager implements TranslationInterface, TranslatorInterface {
   protected $defaultLangcode;
 
   /**
+   * The state service.
+   *
+   * @var \Drupal\Core\State\StateInterface
+   */
+  protected $state;
+
+  /**
    * Constructs a TranslationManager object.
    *
-   * @param \Drupal\Core\Language\LanguageManagerInterface
+   * @param \Drupal\Core\Language\LanguageManagerInterface $language_manager
    *   The language manager.
+   * @param \Drupal\Core\State\StateInterface $state
+   *   (optional) The state service.
    */
-  public function __construct(LanguageManagerInterface $language_manager) {
+  public function __construct(LanguageManagerInterface $language_manager, StateInterface $state = NULL) {
     $this->languageManager = $language_manager;
     $this->defaultLangcode = $language_manager->getDefaultLanguage()->getId();
+    $this->state = $state;
   }
 
   /**
@@ -152,13 +163,20 @@ public function translate($string, array $args = array(), array $options = array
    * {@inheritdoc}
    */
   public function formatPlural($count, $singular, $plural, array $args = array(), array $options = array()) {
-    $args['@count'] = $count;
     // Join both forms to search a translation.
     $translatable_string = implode(LOCALE_PLURAL_DELIMITER, array($singular, $plural));
     // Translate as usual.
     $translated_strings = $this->translate($translatable_string, $args, $options);
+    return $this->formatPluralTranslated($count, $translated_strings, $args, $options);
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function formatPluralTranslated($count, $translation, array $args = array(), array $options = array()) {
+    $args['@count'] = $count;
     // Split joined translation strings into array.
-    $translated_array = explode(LOCALE_PLURAL_DELIMITER, $translated_strings);
+    $translated_array = explode(LOCALE_PLURAL_DELIMITER, $translation);
 
     if ($count == 1) {
       return SafeMarkup::set($translated_array[0]);
@@ -183,7 +201,29 @@ public function formatPlural($count, $singular, $plural, array $args = array(),
         $return = $translated_array[1];
       }
     }
-    return SafeMarkup::set($return);
+
+    if (empty($args)) {
+      return SafeMarkup::set($return);
+    }
+    else {
+      return String::format($return, $args);
+    }
+  }
+
+  /**
+   * @inheritdoc.
+   */
+  public function getNumberOfPlurals($langcode = NULL) {
+    // If the state service is not injected, we assume 2 plural variants are
+    // allowed. This may happen in the installer for simplicity.
+    if (isset($this->state)) {
+      $langcode = $langcode ?: $this->languageManager->getCurrentLanguage()->getId();
+      $plural_formulas = $this->state->get('locale.translation.plurals') ?: array();
+      if (isset($plural_formulas[$langcode]['plurals'])) {
+        return $plural_formulas[$langcode]['plurals'];
+      }
+    }
+    return 2;
   }
 
   /**
diff --git a/core/modules/config_translation/src/FormElement/FormElementBase.php b/core/modules/config_translation/src/FormElement/FormElementBase.php
index 7db01e1..19114ee 100644
--- a/core/modules/config_translation/src/FormElement/FormElementBase.php
+++ b/core/modules/config_translation/src/FormElement/FormElementBase.php
@@ -91,6 +91,9 @@ public function getTranslationBuild(LanguageInterface $source_language, Language
    *   A render array for the source value.
    */
   protected function getSourceElement(LanguageInterface $source_language, $source_config) {
+    // @todo Should be able to render source as singular+plurals. Similar
+    // to TranslateEditForm::buildForm(), but here the source may also be
+    // multi-plural.
     if ($source_config) {
       $value = '<span lang="' . $source_language->getId() . '">' . nl2br($source_config) . '</span>';
     }
@@ -161,6 +164,8 @@ protected function getSourceElement(LanguageInterface $source_language, $source_
    */
   protected function getTranslationElement(LanguageInterface $translation_language, $source_config, $translation_config) {
     // Add basic properties that apply to all form elements.
+    // @todo Needs support for possibly singular+plurals input if the source
+    // was singular/plural. As in TranslateEditForm::buildForm().
     return array(
       '#title' => $this->t('!label <span class="visually-hidden">(!source_language)</span>', array(
         '!label' => $this->t($this->definition['label']),
diff --git a/core/modules/file/config/install/views.view.files.yml b/core/modules/file/config/install/views.view.files.yml
index 6783c1b..526d9fd 100644
--- a/core/modules/file/config/install/views.view.files.yml
+++ b/core/modules/file/config/install/views.view.files.yml
@@ -529,8 +529,7 @@ display:
           decimal: .
           separator: ','
           format_plural: true
-          format_plural_singular: '1 place'
-          format_plural_plural: '@count places'
+          format_plural_string: "1 place\x03@count places"
           prefix: ''
           suffix: ''
           plugin_id: numeric
@@ -952,8 +951,7 @@ display:
           decimal: .
           separator: ','
           format_plural: false
-          format_plural_singular: '1'
-          format_plural_plural: '@count'
+          format_plural_string: "1\x03@count"
           prefix: ''
           suffix: ''
           plugin_id: numeric
diff --git a/core/modules/forum/tests/modules/forum_test_views/test_views/views.view.test_forum_index.yml b/core/modules/forum/tests/modules/forum_test_views/test_views/views.view.test_forum_index.yml
index 1f917f0..32a9306 100644
--- a/core/modules/forum/tests/modules/forum_test_views/test_views/views.view.test_forum_index.yml
+++ b/core/modules/forum/tests/modules/forum_test_views/test_views/views.view.test_forum_index.yml
@@ -141,8 +141,7 @@ display:
           decimal: .
           separator: ','
           format_plural: false
-          format_plural_singular: '1'
-          format_plural_plural: '@count'
+          format_plural_string: "1\x03@count"
           prefix: ''
           suffix: ''
           plugin_id: numeric
diff --git a/core/modules/statistics/tests/modules/statistics_test_views/test_views/views.view.test_statistics_integration.yml b/core/modules/statistics/tests/modules/statistics_test_views/test_views/views.view.test_statistics_integration.yml
index e8099fa..680648b 100644
--- a/core/modules/statistics/tests/modules/statistics_test_views/test_views/views.view.test_statistics_integration.yml
+++ b/core/modules/statistics/tests/modules/statistics_test_views/test_views/views.view.test_statistics_integration.yml
@@ -160,8 +160,7 @@ display:
           decimal: .
           separator: ''
           format_plural: false
-          format_plural_singular: '1'
-          format_plural_plural: '@count'
+          format_plural_string: "1\x03@count"
           prefix: ''
           suffix: ''
           plugin_id: numeric
@@ -218,8 +217,7 @@ display:
           decimal: .
           separator: ''
           format_plural: false
-          format_plural_singular: '1'
-          format_plural_plural: '@count'
+          format_plural_string: "1\x03@count"
           prefix: ''
           suffix: ''
           plugin_id: numeric
diff --git a/core/modules/views/config/schema/views.field.schema.yml b/core/modules/views/config/schema/views.field.schema.yml
index 0d636ac..69365e0 100644
--- a/core/modules/views/config/schema/views.field.schema.yml
+++ b/core/modules/views/config/schema/views.field.schema.yml
@@ -116,12 +116,9 @@ views.field.numeric:
     format_plural:
       type: boolean
       label: 'Format plural'
-    format_plural_singular:
+    format_plural_string:
       type: label
-      label: 'Singular form'
-    format_plural_plural:
-      type: label
-      label: 'Plural form'
+      label: 'Singular and one or more plurals'
     prefix:
       type: label
       label: 'Prefix'
diff --git a/core/modules/views/src/Plugin/views/field/Numeric.php b/core/modules/views/src/Plugin/views/field/Numeric.php
index da99d15..6b57d19 100644
--- a/core/modules/views/src/Plugin/views/field/Numeric.php
+++ b/core/modules/views/src/Plugin/views/field/Numeric.php
@@ -34,8 +34,7 @@ protected function defineOptions() {
     $options['decimal'] = array('default' => '.');
     $options['separator'] = array('default' => ',');
     $options['format_plural'] = array('default' => FALSE);
-    $options['format_plural_singular'] = array('default' => '1');
-    $options['format_plural_plural'] = array('default' => '@count');
+    $options['format_plural_string'] = array('default' => '1' . LOCALE_PLURAL_DELIMITER . '@count');
     $options['prefix'] = array('default' => '');
     $options['suffix'] = array('default' => '');
 
@@ -93,28 +92,55 @@ public function buildOptionsForm(&$form, FormStateInterface $form_state) {
       '#description' => $this->t('If checked, special handling will be used for plurality.'),
       '#default_value' => $this->options['format_plural'],
     );
-    $form['format_plural_singular'] = array(
-      '#type' => 'textfield',
-      '#title' => $this->t('Singular form'),
-      '#default_value' => $this->options['format_plural_singular'],
-      '#description' => $this->t('Text to use for the singular form.'),
-      '#states' => array(
-        'visible' => array(
-          ':input[name="options[format_plural]"]' => array('checked' => TRUE),
-        ),
-      ),
+    $form['format_plural_string'] = array(
+      '#type' => 'value',
+      '#default_value' => $this->options['format_plural_string'],
     );
-    $form['format_plural_plural'] = array(
-      '#type' => 'textfield',
-      '#title' => $this->t('Plural form'),
-      '#default_value' => $this->options['format_plural_plural'],
-      '#description' => $this->t('Text to use for the plural form, @count will be replaced with the value.'),
-      '#states' => array(
-        'visible' => array(
-          ':input[name="options[format_plural]"]' => array('checked' => TRUE),
+
+    // @todo Figure out how to pass in the language of the view.
+    $plural_array = explode(LOCALE_PLURAL_DELIMITER, $this->options['format_plural_string']);
+    $plurals = $this->getNumberOfPlurals();
+    if ($plurals > 2) {
+      for ($i = 0; $i < $plurals; $i++) {
+        $form['format_plural_values'][$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),
+            ),
+          ),
+        );
+      }
+    }
+    else {
+      // Fallback for unknown number of plurals.
+      $form['format_plural_values'][0] = array(
+        '#type' => 'textfield',
+        '#title' => $this->t('Singular form'),
+        '#default_value' => $plural_array[0],
+        '#description' => $this->t('Text to use for the singular form.'),
+        '#states' => array(
+          'visible' => array(
+            ':input[name="options[format_plural]"]' => array('checked' => TRUE),
+          ),
         ),
-      ),
-    );
+      );
+      $form['format_plural_values'][1] = array(
+        '#type' => 'textfield',
+        '#title' => $this->t('Plural form'),
+        '#default_value' => isset($plural_array[1]) ? $plural_array[1] : '',
+        '#description' => $this->t('Text to use for the plural form, @count will be replaced with the value.'),
+        '#states' => array(
+          'visible' => array(
+            ':input[name="options[format_plural]"]' => array('checked' => TRUE),
+          ),
+        ),
+      );
+    }
+
     $form['prefix'] = array(
       '#type' => 'textfield',
       '#title' => $this->t('Prefix'),
@@ -132,6 +158,18 @@ public function buildOptionsForm(&$form, FormStateInterface $form_state) {
   }
 
   /**
+   * @inheritdoc
+   */
+  public function submitOptionsForm(&$form, FormStateInterface $form_state) {
+    // Merge plural format options into one string and drop the individual
+    // option values.
+    $options = &$form_state->getValue('options');
+    $options['format_plural_string'] = implode(LOCALE_PLURAL_DELIMITER, $options['format_plural_values']);
+    unset($options['format_plural_values']);
+    parent::submitOptionsForm($form, $form_state);
+  }
+
+  /**
    * {@inheritdoc}
    */
   public function render(ResultRow $values) {
@@ -156,7 +194,7 @@ public function render(ResultRow $values) {
 
     // Should we format as a plural.
     if (!empty($this->options['format_plural'])) {
-      $value = $this->formatPlural($value, $this->options['format_plural_singular'], $this->options['format_plural_plural']);
+      $value = $this->formatPluralTranslated($value, $this->options['format_plural_string']);
     }
 
     return $this->sanitizeValue($this->options['prefix'], 'xss')