diff --git a/addons/mail/mail_group.py b/addons/mail/mail_group.py
index df17d5b316d..649701ff702 100644
--- a/addons/mail/mail_group.py
+++ b/addons/mail/mail_group.py
@@ -68,6 +68,24 @@ class mail_group(osv.osv):
             result[id] = self.message_is_subscriber(cr, uid, [id], context=context)
         return result
     
+    def get_messages_nbr(self, cr, uid, ids, name, args, context=None):
+        result = {}
+        for id in ids:
+            result[id] = self.message_get_messages_nbr(cr, uid, [id], context=context)
+        return result
+    
+    def get_discussions_nbr(self, cr, uid, ids, name, args, context=None):
+        result = {}
+        for id in ids:
+            result[id] = self.message_get_discussions_nbr(cr, uid, [id], context=context)
+        return result
+    
+    def get_members_nbr(self, cr, uid, ids, name, args, context=None):
+        result = {}
+        for id in ids:
+            result[id] = len(self._message_get_subscribers_ids(cr, uid, [id], context=context))
+        return result
+        
     _columns = {
         'name': fields.char('Name', size=64, required=True),
         'description': fields.text('Description'),
@@ -79,7 +97,10 @@ class mail_group(osv.osv):
             store = {
                 'mail.group': (lambda self, cr, uid, ids, c={}: ids, ['photo'], 10),
             }),
-        'joined': fields.function(is_subscriber, type='boolean'),
+        'joined': fields.function(is_subscriber, type='boolean', string='Joined'),
+        'messages_nbr': fields.function(get_messages_nbr, type='integer', string='Messages count'),
+        'discussions_nbr': fields.function(get_discussions_nbr, type='integer', string='Discussions count'),
+        'members_nbr': fields.function(get_members_nbr, type='integer', string='Members count'),
     }
 
     _defaults = {
diff --git a/addons/mail/mail_group_view.xml b/addons/mail/mail_group_view.xml
index a0cfc390bec..987634e777e 100644
--- a/addons/mail/mail_group_view.xml
+++ b/addons/mail/mail_group_view.xml
@@ -25,9 +25,11 @@
                                     <h4><a type="edit"><field name="name"/></a></h4>
                                     <span style="display: none;"><field name="joined"/></span>
                                     <ul>
+                                        <li><field name="members_nbr"/> members</li>
                                         <li t-if="record.joined.raw_value"><b>Joined</b></li>
                                         <li t-if="! record.joined.raw_value"><a name="action_group_join" string="Join" type="object">Join</a></li>
                                         <li t-if="record.joined.raw_value"><a name="action_group_leave" string="Join" type="object">Leave</a></li>
+                                        <li><field name="messages_nbr"/> messages in <field name="discussions_nbr"/> discussions</li>
                                     </ul>
                                 </div>
                             </div>
diff --git a/addons/mail/mail_thread.py b/addons/mail/mail_thread.py
index 09fafd48a7e..47992889c90 100644
--- a/addons/mail/mail_thread.py
+++ b/addons/mail/mail_thread.py
@@ -326,6 +326,21 @@ class mail_thread(osv.osv):
         msgs = message_obj.read(cr, uid, msg_ids, context=context)
         return msgs
     
+    # Message tools
+    def message_get_discussions_nbr(self, cr, uid, ids, context=None):
+        count = 0
+        message_obj = self.pool.get('mail.message')
+        for obj in self.browse(cr, uid, ids, context=context):
+            count += message_obj.search(cr, uid, [('model', '=', self._name), ('res_id', '=', obj.id)], count=True) # TODO: add parent_id when merging branch
+        return count
+    
+    def message_get_messages_nbr(self, cr, uid, ids, context=None):
+        count = 0
+        message_obj = self.pool.get('mail.message')
+        for obj in self.browse(cr, uid, ids, context=context):
+            count += message_obj.search(cr, uid, [('model', '=', self._name), ('res_id', '=', obj.id)], count=True)
+        return count
+        
     #------------------------------------------------------
     # Email specific
     #------------------------------------------------------