diff --git a/src/registrar/tests/test_reports.py b/src/registrar/tests/test_reports.py
index d801ce76a..cafaff7b1 100644
--- a/src/registrar/tests/test_reports.py
+++ b/src/registrar/tests/test_reports.py
@@ -874,18 +874,26 @@ def test_member_export(self):
             "Email,Organization admin,Invited by,Joined date,Last active,Domain requests,"
             "Member management,Domain management,Number of domains,Domains\n"
             # Content
+            "big_lebowski@dude.co,False,help@get.gov,2022-04-01,Invalid date,None,"
+            "Viewer,True,1,cdomain1.gov\n"
+            "cozy_staffuser@igorville.gov,True,help@get.gov,2022-04-01,2024-02-01,"
+            "Viewer,Viewer,False,0,\n"
+            "icy_superuser@igorville.gov,True,help@get.gov,2022-04-01,2024-02-01,"
+            "Viewer Requester,Manager,False,0,\n"
             "meoward@rocks.com,False,big_lebowski@dude.co,2022-04-01,Invalid date,None,"
             'Manager,True,2,"adomain2.gov,cdomain1.gov"\n'
-            "big_lebowski@dude.co,False,help@get.gov,2022-04-01,Invalid date,None,Viewer,True,1,cdomain1.gov\n"
-            "tired_sleepy@igorville.gov,False,System,2022-04-01,Invalid date,Viewer,None,False,0,\n"
-            "icy_superuser@igorville.gov,True,help@get.gov,2022-04-01,2024-02-01,Viewer Requester,Manager,False,0,\n"
-            "cozy_staffuser@igorville.gov,True,help@get.gov,2022-04-01,2024-02-01,Viewer,Viewer,False,0,\n"
-            "nonexistentmember_1@igorville.gov,False,help@get.gov,Unretrieved,Invited,None,Manager,False,0,\n"
-            "nonexistentmember_2@igorville.gov,False,help@get.gov,Unretrieved,Invited,None,Viewer,False,0,\n"
-            "nonexistentmember_3@igorville.gov,False,help@get.gov,Unretrieved,Invited,Viewer,None,False,0,\n"
-            "nonexistentmember_4@igorville.gov,True,help@get.gov,Unretrieved,"
-            "Invited,Viewer Requester,Manager,False,0,\n"
-            "nonexistentmember_5@igorville.gov,True,help@get.gov,Unretrieved,Invited,Viewer,Viewer,False,0,\n"
+            "nonexistentmember_1@igorville.gov,False,help@get.gov,Unretrieved,Invited,"
+            "None,Manager,False,0,\n"
+            "nonexistentmember_2@igorville.gov,False,help@get.gov,Unretrieved,Invited,"
+            "None,Viewer,False,0,\n"
+            "nonexistentmember_3@igorville.gov,False,help@get.gov,Unretrieved,Invited,"
+            "Viewer,None,False,0,\n"
+            "nonexistentmember_4@igorville.gov,True,help@get.gov,Unretrieved,Invited,"
+            "Viewer Requester,Manager,False,0,\n"
+            "nonexistentmember_5@igorville.gov,True,help@get.gov,Unretrieved,Invited,"
+            "Viewer,Viewer,False,0,\n"
+            "tired_sleepy@igorville.gov,False,System,2022-04-01,Invalid date,Viewer,"
+            "None,False,0,\n"
         )
         # Normalize line endings and remove commas,
         # spaces and leading/trailing whitespace
diff --git a/src/registrar/utility/csv_export.py b/src/registrar/utility/csv_export.py
index 2758375b1..97feae20c 100644
--- a/src/registrar/utility/csv_export.py
+++ b/src/registrar/utility/csv_export.py
@@ -414,8 +414,11 @@ def get_model_annotation_dict(cls, request=None, **kwargs):
             )
             .values(*shared_columns)
         )
-
-        return convert_queryset_to_dict(permissions.union(invitations), is_model=False)
+        # Adding a order_by increases output predictability.
+        # Doesn't matter as much for normal use, but makes tests easier.
+        # We should also just be ordering by default anyway.
+        members = permissions.union(invitations).order_by("email_display")
+        return convert_queryset_to_dict(members, is_model=False)
 
     @classmethod
     def get_invited_by_query(cls, object_id_query):