diff --git a/ietf/meeting/migrations/0004_meeting_attendees.py b/ietf/meeting/migrations/0004_meeting_attendees.py
new file mode 100644
index 000000000..2646f69e3
--- /dev/null
+++ b/ietf/meeting/migrations/0004_meeting_attendees.py
@@ -0,0 +1,20 @@
+# -*- coding: utf-8 -*-
+# Generated by Django 1.11.11 on 2018-03-20 09:17
+from __future__ import unicode_literals
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('meeting', '0003_rename_modified_fields'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='meeting',
+            name='attendees',
+            field=models.IntegerField(blank=True, default=0, help_text='Number of Attendees for backfilled meetings, leave it to 0 for new meetings, and then it is calculated from the registrations'),
+        ),
+    ]
diff --git a/ietf/meeting/migrations/0005_backfill_old_meetings.py b/ietf/meeting/migrations/0005_backfill_old_meetings.py
new file mode 100644
index 000000000..38959f5aa
--- /dev/null
+++ b/ietf/meeting/migrations/0005_backfill_old_meetings.py
@@ -0,0 +1,85 @@
+# -*- coding: utf-8 -*-
+from __future__ import unicode_literals
+
+from django.db import migrations
+
+
+def backfill_old_meetings(apps, schema_editor):
+        Meeting          = apps.get_model('meeting', 'Meeting')
+
+        for id, number, type_id, date, city, country, time_zone, continent, attendees in [
+                ( 59,'59','ietf','2004-03-29','Seoul','KR','Asia/Seoul','Asia','1390' ),
+		( 58,'58','ietf','2003-11-09','Minneapolis','US','America/Menominee','America','1233' ),
+		( 57,'57','ietf','2003-07-13','Vienna','AT','Europe/Vienna','Europe','1304' ),
+		( 56,'56','ietf','2003-03-16','San Francisco','US','America/Los_Angeles','America','1679' ),
+		( 55,'55','ietf','2002-11-17','Atlanta','US','America/New_York','America','1570' ),
+		( 54,'54','ietf','2002-07-14','Yokohama','JP','Asia/Tokyo','Asia','1885' ),
+		( 53,'53','ietf','2002-03-17','Minneapolis','US','America/Menominee','America','1656' ),
+		( 52,'52','ietf','2001-12-09','Salt Lake City','US','America/Denver','America','1691' ),
+		( 51,'51','ietf','2001-08-05','London','GB','Europe/London','Europe','2226' ),
+		( 50,'50','ietf','2001-03-18','Minneapolis','US','America/Menominee','America','1822' ),
+		( 49,'49','ietf','2000-12-10','San Diego','US','America/Los_Angeles','America','2810' ),
+		( 48,'48','ietf','2000-07-31','Pittsburgh','US','America/New_York','America','2344' ),
+		( 47,'47','ietf','2000-03-26','Adelaide','AU','Australia/Adelaide','Australia','1431' ),
+		( 46,'46','ietf','1999-11-07','Washington','US','America/New_York','America','2379' ),
+		( 45,'45','ietf','1999-07-11','Oslo','NO','Europe/Oslo','Europe','1710' ),
+		( 44,'44','ietf','1999-03-14','Minneapolis','US','America/Menominee','America','1705' ),
+		( 43,'43','ietf','1998-12-07','Orlando','US','America/New_York','America','2124' ),
+		( 42,'42','ietf','1998-08-24','Chicago','US','America/Chicago','America','2106' ),
+		( 41,'41','ietf','1998-03-30','Los Angeles','US','America/Los_Angeles','America','1775' ),
+		( 40,'40','ietf','1997-12-08','Washington','US','America/New_York','America','1897' ),
+		( 39,'39','ietf','1997-08-11','Munich','DE','Europe/Berlin','Europe','1308' ),
+		( 38,'38','ietf','1997-04-07','Memphis','US','America/Chicago','America','1321' ),
+		( 37,'37','ietf','1996-12-09','San Jose','US','America/Los_Angeles','America','1993' ),
+		( 36,'36','ietf','1996-06-24','Montreal','CA','America/New_York','America','1283' ),
+		( 35,'35','ietf','1996-03-04','Los Angeles','US','America/Los_Angeles','America','1038' ),
+		( 34,'34','ietf','1995-12-04','Dallas','US','America/Chicago','America','1007' ),
+		( 33,'33','ietf','1995-07-17','Stockholm','SE','Europe/Stockholm','Europe','617' ),
+		( 32,'32','ietf','1995-04-03','Danvers','US','America/New_York','America','983' ),
+		( 31,'31','ietf','1994-12-05','San Jose','US','America/Los_Angeles','America','1079' ),
+		( 30,'30','ietf','1994-07-25','Toronto','CA','America/New_York','America','710' ),
+		( 29,'29','ietf','1994-03-28','Seattle','US','America/Los_Angeles','America','785' ),
+		( 28,'28','ietf','1993-11-01','Houston','US','America/Chicago','America','636' ),
+		( 27,'27','ietf','1993-07-12','Amsterdam','NL','Europe/Amsterdam','Europe','493' ),
+		( 26,'26','ietf','1993-03-29','Columbus','US','America/New_York','America','638' ),
+		( 25,'25','ietf','1992-11-16','Washington','US','America/New_York','America','633' ),
+		( 24,'24','ietf','1992-07-13','Cambridge','US','America/New_York','America','677' ),
+		( 23,'23','ietf','1992-03-16','San Diego','US','America/Los_Angeles','America','530' ),
+		( 22,'22','ietf','1991-11-18','Santa Fe','US','America/Denver','America','372' ),
+		( 21,'21','ietf','1991-07-29','Atlanta','US','America/New_York','America','387' ),
+		( 20,'20','ietf','1991-03-11','St. Louis','US','America/Chicago','America','348' ),
+		( 19,'19','ietf','1990-12-03','Boulder','US','America/Denver','America','292' ),
+		( 18,'18','ietf','1990-07-30','Vancouver','CA','America/Los_Angeles','America','293' ),
+		( 17,'17','ietf','1990-05-01','Pittsburgh','US','America/New_York','America','244' ),
+		( 16,'16','ietf','1990-02-06','Tallahassee','US','America/New_York','America','196' ),
+		( 15,'15','ietf','1989-10-31','Honolulu','US','Pacific/Honolulu','America','138' ),
+		( 14,'14','ietf','1989-07-25','Stanford','US','America/Los_Angeles','America','217' ),
+		( 13,'13','ietf','1989-04-11','Cocoa Beach','US','America/New_York','America','114' ),
+		( 12,'12','ietf','1989-01-18','Austin','US','America/Chicago','America','120' ),
+		( 11,'11','ietf','1988-10-17','Ann Arbor','US','America/New_York','America','114' ),
+		( 10,'10','ietf','1988-06-15','Annapolis','US','America/New_York','America','112' ),
+		( 9,'9','ietf','1988-03-01','San Diego','US','America/Los_Angeles','America','82' ),
+		( 8,'8','ietf','1987-11-02','Boulder','US','America/Denver','America','56' ),
+		( 7,'7','ietf','1987-07-27','McLean','US','America/New_York','America','101' ),
+		( 6,'6','ietf','1987-04-22','Boston','US','America/New_York','America','88' ),
+		( 5,'5','ietf','1987-02-04','Moffett Field','US','America/Los_Angeles','America','35' ),
+		( 4,'4','ietf','1986-10-15','Menlo Park','US','America/Los_Angeles','America','35' ),
+		( 3,'3','ietf','1986-07-23','Ann Arbor','US','America/New_York','America','18' ),
+		( 2,'2','ietf','1986-04-08','Aberdeen','US','America/New_York','America','21' ),
+		( 1,'1','ietf','1986-01-16','San Diego','US','America/Los_Angeles','America','21' ),
+        ]:
+            Meeting.objects.get_or_create(id=id, number=number, type_id=type_id,
+                                          date=date, city=city, country=country,
+                                          time_zone=time_zone);
+        
+        
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('meeting', '0004_meeting_attendees'),
+    ]
+
+    operations = [
+        migrations.RunPython(backfill_old_meetings)
+    ]
+            
diff --git a/ietf/meeting/migrations/0006_backfill_attendees.py b/ietf/meeting/migrations/0006_backfill_attendees.py
new file mode 100644
index 000000000..52a1dac25
--- /dev/null
+++ b/ietf/meeting/migrations/0006_backfill_attendees.py
@@ -0,0 +1,97 @@
+# -*- coding: utf-8 -*-
+from __future__ import unicode_literals
+
+from django.db import migrations
+
+
+def backfill_old_meetings(apps, schema_editor):
+        Meeting          = apps.get_model('meeting', 'Meeting')
+
+        for number, attendees in [
+                ( 71,1174 ),
+                ( 70,1128 ),
+                ( 69,1175 ),
+                ( 68,1193 ),
+                ( 67,1245 ),
+                ( 66,1257 ),
+                ( 65,1264 ),
+                ( 64,1240 ),
+                ( 63,1450 ),
+                ( 62,1133 ),
+                ( 61,1311 ),
+                ( 60,1460 ),
+                ( 59,1390 ),
+                ( 58,1233 ),
+                ( 57,1304 ),
+                ( 56,1679 ),
+                ( 55,1570 ),
+                ( 54,1885 ),
+                ( 53,1656 ),
+                ( 52,1691 ),
+                ( 51,2226 ),
+                ( 50,1822 ),
+                ( 49,2810 ),
+                ( 48,2344 ),
+                ( 47,1431 ),
+                ( 46,2379 ),
+                ( 45,1710 ),
+                ( 44,1705 ),
+                ( 43,2124 ),
+                ( 42,2106 ),
+                ( 41,1775 ),
+                ( 40,1897 ),
+                ( 39,1308 ),
+                ( 38,1321 ),
+                ( 37,1993 ),
+                ( 36,1283 ),
+                ( 35,1038 ),
+                ( 34,1007 ),
+                ( 33,617 ),
+                ( 32,983 ),
+                ( 31,1079 ),
+                ( 30,710 ),
+                ( 29,785 ),
+                ( 28,636 ),
+                ( 27,493 ),
+                ( 26,638 ),
+                ( 25,633 ),
+                ( 24,677 ),
+                ( 23,530 ),
+                ( 22,372 ),
+                ( 21,387 ),
+                ( 20,348 ),
+                ( 19,292 ),
+                ( 18,293 ),
+                ( 17,244 ),
+                ( 16,196 ),
+                ( 15,138 ),
+                ( 14,217 ),
+                ( 13,114 ),
+                ( 12,120 ),
+                ( 11,114 ),
+                ( 10,112 ),
+                ( 9,82 ),
+                ( 8,56 ),
+                ( 7,101 ),
+                ( 6,88 ),
+                ( 5,35 ),
+                ( 4,35 ),
+                ( 3,18 ),
+                ( 2,21 ),
+                ( 1,21 ),
+        ]:
+                meeting = Meeting.objects.filter(type='ietf',
+                                                 number=number).first();
+                meeting.attendees = attendees
+                meeting.save()
+        
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('meeting', '0005_backfill_old_meetings'),
+    ]
+
+    operations = [
+        migrations.RunPython(backfill_old_meetings)
+    ]
+            
diff --git a/ietf/meeting/models.py b/ietf/meeting/models.py
index 014a500d6..32e318662 100644
--- a/ietf/meeting/models.py
+++ b/ietf/meeting/models.py
@@ -95,6 +95,8 @@ class Meeting(models.Model):
     acknowledgements = models.TextField(blank=True, help_text="Acknowledgements for use in meeting proceedings.  Use ReStructuredText markup.")
     overview = ForeignKey(DBTemplate, related_name='overview', null=True, editable=False)
     show_important_dates = models.BooleanField(default=False)
+    attendees = models.IntegerField(blank=True, default=0,
+                                    help_text=u"Number of Attendees for backfilled meetings, leave it to 0 for new meetings, and then it is calculated from the registrations")
 
     def __unicode__(self):
         if self.type_id == "ietf":
diff --git a/ietf/secr/meetings/tests.py b/ietf/secr/meetings/tests.py
index 122f136f2..2d58936e0 100644
--- a/ietf/secr/meetings/tests.py
+++ b/ietf/secr/meetings/tests.py
@@ -98,6 +98,7 @@ class SecrMeetingTestCase(TestCase):
             meeting.agenda.assignments.filter(timeslot__type='reg').count(),
             new_meeting.agenda.assignments.filter(timeslot__type='reg').count()
         )
+        self.assertEqual(new_meeting.attendees,0)
 
     def test_edit_meeting(self):
         "Edit Meeting"
@@ -115,12 +116,14 @@ class SecrMeetingTestCase(TestCase):
                          submission_start_day_offset=90,
                          submission_cutoff_day_offset=26,
                          submission_correction_day_offset=50,
+                         attendees=1234,
                     )
         self.client.login(username="secretary", password="secretary+password")
         response = self.client.post(url, post_data,follow=True)
         self.assertEqual(response.status_code, 200)
         meeting = Meeting.objects.get(number=1)
         self.assertEqual(meeting.city,'Toronto')
+        self.assertEqual(meeting.attendees,1234)
 
     def test_blue_sheets_upload(self):
         "Test Bluesheets"
diff --git a/ietf/static/ietf/css/ietf.css b/ietf/static/ietf/css/ietf.css
index 2259f605c..fcf106067 100644
--- a/ietf/static/ietf/css/ietf.css
+++ b/ietf/static/ietf/css/ietf.css
@@ -614,6 +614,10 @@ table.simple-table td:last-child {
   height: 25em;
 }
 
+.document-stats #chart.chart-overview {
+  height: 35em;
+}
+
 .stats-time-graph {
   height: 15em;
 }
diff --git a/ietf/stats/views.py b/ietf/stats/views.py
index c9bef3606..939594b6f 100644
--- a/ietf/stats/views.py
+++ b/ietf/stats/views.py
@@ -882,28 +882,57 @@ def meeting_stats(request, num=None, stats_type=None):
             if stats_type == "overview":
                 stats_title = "Number of attendees per meeting"
 
+                meetings = {}
+                continents = {}
+                
+                for m in Meeting.objects.filter(type='ietf').order_by('number'):
+                    meeting_number = int(m.number)
+                    meetings[meeting_number] = m
+                    country = CountryName.objects.get(slug=m.country)
+                    continents[country.continent.name] = country.continent.name
+
                 bins = defaultdict(set)
 
                 for r in attendees:
                     meeting_number = int(r.meeting.number)
                     name = reg_name(r)
-
                     bins[meeting_number].add(name)
-
-                meeting_cities = dict(Meeting.objects.filter(number__in=bins.iterkeys()).values_list("number", "city"))
-
-                series_data = []
+                    
                 for meeting_number, names in sorted(bins.iteritems()):
-                    series_data.append((meeting_number, len(names)))
-                    url = build_meeting_stats_url(number=meeting_number, stats_type_override="country")
-                    label = "IETF {} - {}".format(meeting_number, meeting_cities.get(str(meeting_number), ""))
-                    table_data.append((meeting_number, label, url, len(names), list(names)[:names_limit]))
+                    meetings[meeting_number].attendees = len(names)
 
-                series_data.sort(key=lambda t: t[0])
-                table_data.sort(key=lambda t: t[0], reverse=True)
+                series_data = {}
+                for continent in continents.keys():
+                    series_data[continent] = []
 
-                chart_data.append({ "name": "Attendees", "data": series_data })
+                for m in meetings:
+                    meeting = meetings[m]
+                    country = CountryName.objects.get(slug=meeting.country)
+                    url = build_meeting_stats_url(number=meeting.number,
+                                                  stats_type_override="country")
+                    for continent in continents.keys():
+                        if continent == country.continent.name:
+                            d = {
+                                "name": "IETF {} - {}, {}".format(int(meeting.number), meeting.city, country),
+                                "x": int(meeting.number),
+                                "y": meeting.attendees,
+                                "url": url,
+                                }
+                        else:
+                            d = {
+                                "x": int(meeting.number),
+                                "y": 0,
+                                }
+                        series_data[continent].append(d)
+                    table_data.append((meeting, url,
+                                       meeting.attendees, country))
 
+                for continent in continents.keys():
+#                    series_data[continent].sort(key=lambda t: t[0]["x"])
+                    chart_data.append( { "name": continent,
+                                         "data": series_data[continent] })
+                    
+                table_data.sort(key=lambda t: int(t[0].number), reverse=True)
 
             elif stats_type == "country":
                 stats_title = "Number of attendees per country across meetings"
diff --git a/ietf/templates/stats/document_stats.html b/ietf/templates/stats/document_stats.html
index a3819d9e5..855d75f8d 100644
--- a/ietf/templates/stats/document_stats.html
+++ b/ietf/templates/stats/document_stats.html
@@ -8,6 +8,7 @@
 
 {% block pagehead %}
   <link rel="stylesheet" href="{% static 'bootstrap-datepicker/css/bootstrap-datepicker3.min.css' %}">
+  <link rel="stylesheet" href="{% static "jquery.tablesorter/css/theme.bootstrap.min.css" %}">
 {% endblock %}
 
 {% block content %}
@@ -75,4 +76,5 @@
   <script src="{% static 'highcharts/modules/exporting.js' %}"></script>
   <script src="{% static 'highcharts/modules/offline-exporting.js' %}"></script>
   <script src="{% static 'ietf/js/stats.js' %}"></script>
+  <script src="{% static "jquery.tablesorter/js/jquery.tablesorter.combined.min.js" %}"></script>
 {% endblock %}
diff --git a/ietf/templates/stats/meeting_stats.html b/ietf/templates/stats/meeting_stats.html
index c79c67e57..695273b6f 100644
--- a/ietf/templates/stats/meeting_stats.html
+++ b/ietf/templates/stats/meeting_stats.html
@@ -8,6 +8,7 @@
 
 {% block pagehead %}
   <link rel="stylesheet" href="{% static 'bootstrap-datepicker/css/bootstrap-datepicker3.min.css' %}">
+  <link rel="stylesheet" href="{% static 'jquery.tablesorter/css/theme.bootstrap.min.css' %}">
 {% endblock %}
 
 {% block content %}
@@ -43,4 +44,5 @@
   <script src="{% static 'highcharts/modules/exporting.js' %}"></script>
   <script src="{% static 'highcharts/modules/offline-exporting.js' %}"></script>
   <script src="{% static 'ietf/js/stats.js' %}"></script>
+  <script src="{% static "jquery.tablesorter/js/jquery.tablesorter.combined.min.js" %}"></script>
 {% endblock %}
diff --git a/ietf/templates/stats/meeting_stats_continent.html b/ietf/templates/stats/meeting_stats_continent.html
index 3ef272fc6..f7a764f65 100644
--- a/ietf/templates/stats/meeting_stats_continent.html
+++ b/ietf/templates/stats/meeting_stats_continent.html
@@ -44,7 +44,7 @@
 
 <h3>Data</h3>
 
-<table class="table table-condensed stats-data">
+<table class="table table-condensed stats-data tablesorter">
   <thead>
     <tr>
       <th>Continent</th>
diff --git a/ietf/templates/stats/meeting_stats_country.html b/ietf/templates/stats/meeting_stats_country.html
index 1940b82e9..2219bef2d 100644
--- a/ietf/templates/stats/meeting_stats_country.html
+++ b/ietf/templates/stats/meeting_stats_country.html
@@ -74,7 +74,7 @@
 
 <h3>Data</h3>
 
-<table class="table table-condensed stats-data">
+<table class="table table-condensed stats-data tablesorter">
   <thead>
     <tr>
       <th>Country</th>
diff --git a/ietf/templates/stats/meeting_stats_overview.html b/ietf/templates/stats/meeting_stats_overview.html
index 821767843..e9f7d52da 100644
--- a/ietf/templates/stats/meeting_stats_overview.html
+++ b/ietf/templates/stats/meeting_stats_overview.html
@@ -1,9 +1,59 @@
 <h3>{{ stats_title }}</h3>
 
-<div id="chart"></div>
+
+<div id="chart" class="chart-{{ stats_type }}"></div>
 
 <script>
  var chartConf = {
+
+     {% if stats_type == "overview" %}
+     
+     chart: {
+         type: 'column',
+     },
+     colors: [ 'blue', 'red', 'cyan', 'orange', 'black',
+     	       'green', 'yellow' ],
+     plotOptions: {
+         series: {
+	     stacking: 'normal',
+	     point: {
+	         events: {
+		     click: function () {
+		         location.href = this.options.url;
+		     }
+		 }
+	     },
+	 },
+         column: {
+             marker: {
+                 enabled: false
+             },
+             animation: false
+         }
+     },
+     tooltip: {
+         formatter: function () {
+             var s = '<b>' + this.point.name + '</b>';
+
+	     s += '<br/>' + this.series.name + '<br/> Attendees: ' + this.y;
+             return s;
+         },
+         shared: false
+     },
+     legend: {
+         title: {
+	     text: "Continent of the venue",
+	 },
+	 borderWidth: 1,
+         align: "center",
+         verticalAlign: "bottom",
+         layout: "horizontal",
+         enabled: true
+     },
+
+     
+     {% else %}
+     
      chart: {
          type: 'line',
      },
@@ -15,14 +65,28 @@
              animation: false
          }
      },
-     {% if stats_type != "overview" %}
+     tooltip: {
+         formatter: function () {
+             var s = '<b>' + "IETF " + this.x + '</b>';
+
+             $.each(this.points, function () {
+                 s += '<br/>' + this.series.name + ': ' + this.y;
+             });
+
+             return s;
+         },
+         shared: true
+     },
      legend: {
          align: "right",
          verticalAlign: "middle",
          layout: "vertical",
          enabled: true
      },
+
+     
      {% endif %}
+     
      title: {
          text: '{{ stats_title|escapejs }}'
      },
@@ -38,18 +102,6 @@
              text: 'Attendees at meeting'
          }
      },
-     tooltip: {
-         formatter: function () {
-             var s = '<b>' + "IETF " + this.x + '</b>';
-
-             $.each(this.points, function () {
-                 s += '<br/>' + this.series.name + ': ' + this.y;
-             });
-
-             return s;
-         },
-         shared: true
-     },
      series: {{ chart_data }}
  };
 </script>
@@ -57,17 +109,25 @@
 {% if table_data %}
   <h3>Data</h3>
 
-  <table class="table table-condensed stats-data">
+  <table class="table table-condensed stats-data tablesorter">
     <thead>
       <tr>
         <th>Meeting</th>
+	<th>Date</th>
+	<th>City</th>
+	<th>Country</th>
+	<th>Continent</th>
         <th>Attendees</th>
       </tr>
     </thead>
     <tbody>
-      {% for meeting_number, label, url, count, names in table_data %}
+      {% for meeting, url, count, country in table_data %}
         <tr>
-          <td><a href="{{ url }}">{{ label }}</a></td>
+	  <td>{{ meeting.number }}</td>
+	  <td>{{ meeting.date }} </td>
+          <td><a href="{{ url }}">{{ meeting.city }}</a></td>
+	  <td>{{ country.name }}</td>
+	  <td>{{ country.continent }}</td>
           <td>{% include "stats/includes/number_with_details_cell.html" %}</td>
         </tr>
       {% endfor %}