diff --git a/mod/forum/classes/local/factories/renderer.php b/mod/forum/classes/local/factories/renderer.php
index a8a7b0d3fa4..4ff011a4958 100644
--- a/mod/forum/classes/local/factories/renderer.php
+++ b/mod/forum/classes/local/factories/renderer.php
@@ -481,11 +481,24 @@ class renderer {
                         $discussionentriesids,
                         $canseeanyprivatereply
                     );
+                $forumdatamapper = $this->legacydatamapperfactory->get_forum_data_mapper();
+                $forumrecord = $forumdatamapper->to_legacy_object($forum);
+                if (forum_tp_is_tracked($forumrecord, $user)) {
+                    $discussionunreadscount = $postvault->get_unread_count_for_discussion_ids(
+                            $user,
+                            $discussionentriesids,
+                            $canseeanyprivatereply
+                    );
+                } else {
+                    $discussionunreadscount = [];
+                }
 
-                array_walk($exportedposts['posts'], function($post) use ($discussionrepliescount) {
+                array_walk($exportedposts['posts'], function($post) use ($discussionrepliescount, $discussionunreadscount) {
                     $post->discussionrepliescount = $discussionrepliescount[$post->discussionid] ?? 0;
+                    $post->discussionunreadscount = $discussionunreadscount[$post->discussionid] ?? 0;
                     // TODO: Find a better solution due to language differences when defining the singular and plural form.
                     $post->isreplyplural = $post->discussionrepliescount != 1 ? true : false;
+                    $post->isunreadplural = $post->discussionunreadscount != 1 ? true : false;
                 });
 
                 $exportedposts['state']['hasdiscussions'] = $exportedposts['posts'] ? true : false;
diff --git a/mod/forum/templates/social_discussion_list.mustache b/mod/forum/templates/social_discussion_list.mustache
index 121c6631dfd..6ec221913a2 100644
--- a/mod/forum/templates/social_discussion_list.mustache
+++ b/mod/forum/templates/social_discussion_list.mustache
@@ -38,7 +38,9 @@
            {{< mod_forum/forum_discussion_post }}
                {{$footer}}
                    <div class="link text-right">
-                       <a href="{{urls.discuss}}">{{#str}}discussthistopic, forum{{/str}}</a>&nbsp;({{#isreplyplural}}{{#str}} repliesmany, forum, {{discussionrepliescount}} {{/str}}{{/isreplyplural}}{{^isreplyplural}}{{#str}} repliesone, forum, {{discussionrepliescount}} {{/str}}{{/isreplyplural}})
+                       <a href="{{urls.discuss}}">{{#str}}discussthistopic, forum{{/str}}</a>&nbsp;({{#isreplyplural}}{{#str}} repliesmany, forum, {{discussionrepliescount}} {{/str}}{{/isreplyplural}}{{^isreplyplural}}{{#str}} repliesone, forum, {{discussionrepliescount}} {{/str}}{{/isreplyplural}}{{#discussionunreadscount}}
+                       <span class="sep">/</span>
+                       <span class="unread"><a href="{{urls.discuss}}#unread">{{#isunreadplural}}{{#str}} unreadpostsnumber, mod_forum, {{discussionunreadscount}} {{/str}}{{/isunreadplural}}{{^isunreadplural}}{{#str}} unreadpostsone, mod_forum {{/str}}{{/isunreadplural}}</a></span>{{/discussionunreadscount}})
                    </div>
                {{/footer}}
                {{$replyoutput}}{{/replyoutput}}