diff --git a/ietf/stats/migrations/0003_meetingregistration_attended.py b/ietf/stats/migrations/0003_meetingregistration_attended.py
new file mode 100644
index 000000000..848e0a421
--- /dev/null
+++ b/ietf/stats/migrations/0003_meetingregistration_attended.py
@@ -0,0 +1,31 @@
+# Generated by Django 2.0.13 on 2020-06-09 04:39
+
+from django.db import migrations, models
+
+
+def forward(apps, schema_editor):
+    MeetingRegistration = apps.get_model('stats', 'MeetingRegistration')
+    # Set attended=True on all existing records,
+    #
+    # Going forward, this will be unset on registration
+    # (ietf.api.views.api_new_meeting_registration()), and set on attendee
+    # import (ietf.stats.utils.get_meeting_registration_data() )
+    MeetingRegistration.objects.update(attended=True)
+
+def reverse(apps, schema_editor):
+    pass
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('stats', '0002_add_meetingregistration_fields'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='meetingregistration',
+            name='attended',
+            field=models.BooleanField(default=False),
+        ),
+        migrations.RunPython(forward, reverse),
+    ]
diff --git a/ietf/stats/models.py b/ietf/stats/models.py
index 9453f1f8e..7054bc258 100644
--- a/ietf/stats/models.py
+++ b/ietf/stats/models.py
@@ -61,6 +61,7 @@ class MeetingRegistration(models.Model):
     email =  models.EmailField(blank=True, null=True)
     reg_type = models.CharField(blank=True, max_length=255)
     ticket_type = models.CharField(blank=True, max_length=255)
-    
+    attended = models.BooleanField(default=False)
+
     def __str__(self):
         return "{} {}".format(self.first_name, self.last_name)
diff --git a/ietf/stats/tests.py b/ietf/stats/tests.py
index e755a6c88..b44022284 100644
--- a/ietf/stats/tests.py
+++ b/ietf/stats/tests.py
@@ -123,9 +123,9 @@ class StatisticsTests(TestCase):
     def test_meeting_stats(self):
         # create some data for the statistics
         meeting = MeetingFactory(type_id='ietf', date=datetime.date.today(), number="96")
-        MeetingRegistration.objects.create(first_name='John', last_name='Smith', country_code='US', email="john.smith@example.us", meeting=meeting)
+        MeetingRegistration.objects.create(first_name='John', last_name='Smith', country_code='US', email="john.smith@example.us", meeting=meeting, attended=True)
         CountryAlias.objects.get_or_create(alias="US", country=CountryName.objects.get(slug="US"))
-        MeetingRegistration.objects.create(first_name='Jaume', last_name='Guillaume', country_code='FR', email="jaume.guillaume@example.fr", meeting=meeting)
+        MeetingRegistration.objects.create(first_name='Jaume', last_name='Guillaume', country_code='FR', email="jaume.guillaume@example.fr", meeting=meeting, attended=True)
         CountryAlias.objects.get_or_create(alias="FR", country=CountryName.objects.get(slug="FR"))
 
         # check redirect
diff --git a/ietf/stats/utils.py b/ietf/stats/utils.py
index 47c1dd976..8fb263d8e 100644
--- a/ietf/stats/utils.py
+++ b/ietf/stats/utils.py
@@ -253,13 +253,13 @@ def get_meeting_registration_data(meeting):
                 created = False
             else:
                 object = MeetingRegistration.objects.create(meeting_id=meeting.pk, email=address)
-                object.first_name=first_name[:200]
-                object.last_name=last_name[:200]
-                object.affiliation=affiliation
-                object.country_code=country_code
-                object.attended = True
-                object.save()
                 created = True
+            object.first_name=first_name[:200]
+            object.last_name=last_name[:200]
+            object.affiliation=affiliation
+            object.country_code=country_code
+            object.attended = True
+            object.save()
 
             # Add a Person object to MeetingRegistration object
             # if valid email is available
diff --git a/ietf/stats/views.py b/ietf/stats/views.py
index c7e38bf38..6e0e65bf5 100644
--- a/ietf/stats/views.py
+++ b/ietf/stats/views.py
@@ -811,7 +811,7 @@ def meeting_stats(request, num=None, stats_type=None):
             return email.utils.formataddr(((r.first_name + " " + r.last_name).strip(), r.email))
 
         if meeting and any(stats_type == t[0] for t in possible_stats_types):
-            attendees = MeetingRegistration.objects.filter(meeting=meeting)
+            attendees = MeetingRegistration.objects.filter(meeting=meeting, attended=True)
 
             if stats_type == "country":
                 stats_title = "Number of attendees for {} {} per country".format(meeting.type.name, meeting.number)
@@ -883,7 +883,7 @@ def meeting_stats(request, num=None, stats_type=None):
         elif not meeting and any(stats_type == t[0] for t in possible_stats_types):
             template_name = "overview"
 
-            attendees = MeetingRegistration.objects.filter(meeting__type="ietf").select_related('meeting')
+            attendees = MeetingRegistration.objects.filter(meeting__type="ietf", attended=True).select_related('meeting')
 
             if stats_type == "overview":
                 stats_title = "Number of attendees per meeting"