diff --git a/django/contrib/auth/management/commands/createsuperuser.py b/django/contrib/auth/management/commands/createsuperuser.py
index 9821b00c4d..d8023428e1 100644
--- a/django/contrib/auth/management/commands/createsuperuser.py
+++ b/django/contrib/auth/management/commands/createsuperuser.py
@@ -29,7 +29,7 @@ class Command(BaseCommand):
     ) + tuple(
         make_option('--%s' % field, dest=field, default=None,
             help='Specifies the %s for the superuser.' % field)
-        for field in getattr(get_user_model(), 'REQUIRED_FIELDS', ['email'])
+        for field in get_user_model().REQUIRED_FIELDS
     )
 
     help = 'Used to create a superuser.'
@@ -43,7 +43,7 @@ class Command(BaseCommand):
         UserModel = get_user_model()
 
         username_field = UserModel._meta.get_field(getattr(UserModel, 'USERNAME_FIELD', 'username'))
-        other_fields = getattr(UserModel, 'REQUIRED_FIELDS', ['email'])
+        other_fields = UserModel.REQUIRED_FIELDS
 
         # If not provided, create the user with an unusable password
         password = None
diff --git a/django/contrib/auth/models.py b/django/contrib/auth/models.py
index b9ba0193ba..473bf218ea 100644
--- a/django/contrib/auth/models.py
+++ b/django/contrib/auth/models.py
@@ -170,7 +170,7 @@ class BaseUserManager(models.Manager):
 
 class UserManager(BaseUserManager):
 
-    def create_user(self, username, email=None, password=None):
+    def create_user(self, username, email=None, password=None, **extra_fields):
         """
         Creates and saves a User with the given username, email and password.
         """
@@ -180,14 +180,14 @@ class UserManager(BaseUserManager):
         email = UserManager.normalize_email(email)
         user = self.model(username=username, email=email,
                           is_staff=False, is_active=True, is_superuser=False,
-                          last_login=now, date_joined=now)
+                          last_login=now, date_joined=now, **extra_fields)
 
         user.set_password(password)
         user.save(using=self._db)
         return user
 
-    def create_superuser(self, username, email, password):
-        u = self.create_user(username, email, password)
+    def create_superuser(self, username, email, password, **extra_fields):
+        u = self.create_user(username, email, password, **extra_fields)
         u.is_staff = True
         u.is_active = True
         u.is_superuser = True
@@ -228,6 +228,7 @@ def _user_has_module_perms(user, app_label):
 
 
 class AbstractBaseUser(models.Model):
+    REQUIRED_FIELDS = []
     password = models.CharField(_('password'), max_length=128)
     last_login = models.DateTimeField(_('last login'), default=timezone.now)
 
@@ -283,6 +284,7 @@ class User(AbstractBaseUser):
 
     Username and password are required. Other fields are optional.
     """
+    REQUIRED_FIELDS = ['email']
     username = models.CharField(_('username'), max_length=30, unique=True,
         help_text=_('Required. 30 characters or fewer. Letters, numbers and '
                     '@/./+/-/_ characters'),