diff --git a/context.core.inc b/context.core.inc
index 2d44c75..27beefa 100644
--- a/context.core.inc
+++ b/context.core.inc
@@ -318,6 +318,9 @@ function context_context_page_condition() {
   if ($plugin = context_get_plugin('condition', 'sitewide')) {
     $plugin->execute(1);
   }
+  if ($plugin = context_get_plugin('condition', 'default')) {
+    $plugin->execute(1);
+  }
   if ($plugin = context_get_plugin('condition', 'context')) {
     $plugin->execute();
   }
diff --git a/context.plugins.inc b/context.plugins.inc
index 6f86559..2ccb968 100644
--- a/context.plugins.inc
+++ b/context.plugins.inc
@@ -21,6 +21,11 @@ function _context_context_registry() {
       'description' => t('Should this context always be set? If <strong>true</strong>, this context will be active across your entire site.'),
       'plugin' => 'context_condition_sitewide',
     ),
+    'default' => array(
+      'title' => t('Default context'),
+      'description' => t('This context will be set if no other context is active except sitewide contexts.'),
+      'plugin' => 'context_condition_default',
+    ),
     'path' => array(
       'title' => t('Path'),
       'description' => t('Set this context when any of the paths above match the page path. Put each path on a separate line. You can use the <code>*</code> character (asterisk) as a wildcard and the <code>~</code> character (tilde) to exclude one or more paths. Use &lt;front&gt; for the site front page.'),
@@ -171,6 +176,14 @@ function _context_context_plugins() {
       'parent' => 'context_condition',
     ),
   );
+  $plugins['context_condition_default'] = array(
+    'handler' => array(
+      'path' => drupal_get_path('module', 'context') . '/plugins',
+      'file' => 'context_condition_default.inc',
+      'class' => 'context_condition_default',
+      'parent' => 'context_condition',
+    ),
+  );
   $plugins['context_condition_path'] = array(
     'handler' => array(
       'path' => drupal_get_path('module', 'context') . '/plugins',
diff --git a/plugins/context_condition_default.inc b/plugins/context_condition_default.inc
new file mode 100644
index 0000000..75de1fb
--- /dev/null
+++ b/plugins/context_condition_default.inc
@@ -0,0 +1,36 @@
+<?php
+
+/**
+ * Simple condition that sets context active if no other non-default and non
+ * sitewide context is active.
+ */
+class context_condition_default extends context_condition {
+  function condition_values() {
+    return array('context_condition_default' => t('Default context'));
+  }
+
+  function editor_form($context = NULL) {
+    $form = parent::editor_form($context);
+    $form[1]['#title'] = t('Default context');
+    $form['#weight'] = -10;
+    return $form;
+  }
+
+  function execute() {
+    if ($this->condition_used()) {
+      $active_contexts = context_active_contexts();
+
+      foreach ($active_contexts as $name => $context) {
+        foreach (array_keys($context->conditions) as $cond) {
+          if (!in_array($cond, array('default', 'sitewide'))) {
+            return;
+          }
+        }
+      }
+      foreach ($this->get_contexts('context_condition_default') as $context) {
+        $this->condition_met($context, 'context_condition_default');
+      }
+    }
+  }
+}
+