diff --git a/src/accounts/utils/mailman.py b/src/accounts/utils/mailman.py
index 0f3c7d1..07fe7ac 100644
--- a/src/accounts/utils/mailman.py
+++ b/src/accounts/utils/mailman.py
@@ -82,3 +82,16 @@ def get_list_description(listname, lists=None):
         lists = dict(lists)
 
     return lists.get(listname)
+
+
+def list_users(listname):
+    url = get_url(listname)
+
+    params = {}
+
+    try:
+        users = requests.get(url, timeout=TIMEOUT, params=params)
+    except requests.exceptions.RequestException:
+        return []
+
+    return users.json()
diff --git a/src/super_archives/templates/superarchives/thread-dashboard.html b/src/super_archives/templates/superarchives/thread-dashboard.html
index f31553e..c1452fa 100644
--- a/src/super_archives/templates/superarchives/thread-dashboard.html
+++ b/src/super_archives/templates/superarchives/thread-dashboard.html
@@ -7,9 +7,13 @@
   <h2>{% trans 'Groups'|title %}</h2>
   <hr/>
 
-  {% for listname, description, latest, most_relevant in lists %}
+  {% for listname, description, latest, most_relevant, number_of_users in lists %}
     {% if latest or most_relevant %}
       <h3><b>{{ listname|title|lower }} {% if description %} ({{ description }}){% endif %}</b></h3>
+      <div class="btn-group btn-group-sm">
+        <a href="#" class="btn btn-default" disabled="disabled">{{ number_of_users }} membros</a>
+        <a href="/wiki/grupos/{{listname}}" class="btn btn-default">Wiki</a>
+      </div>
       <hr/>
 
       <div class="row">
diff --git a/src/super_archives/views.py b/src/super_archives/views.py
index a056b38..4984993 100644
--- a/src/super_archives/views.py
+++ b/src/super_archives/views.py
@@ -133,6 +133,7 @@ class ThreadDashboardView(View):
                     '-latest_message__received_time'
                 )[:MAX],
                 SearchQuerySet().filter(type='thread', tag=list_.name)[:MAX],
+	        len(mailman.list_users(list_.name)),
             ))
 
         return render(request, 'superarchives/thread-dashboard.html', context)
--
libgit2 0.21.2