diff --git a/src/Umbraco.Core/Models/Membership/IUserGroup.cs b/src/Umbraco.Core/Models/Membership/IUserGroup.cs
index 106f52f569..5e1bc0c4cc 100644
--- a/src/Umbraco.Core/Models/Membership/IUserGroup.cs
+++ b/src/Umbraco.Core/Models/Membership/IUserGroup.cs
@@ -35,5 +35,10 @@ namespace Umbraco.Core.Models.Membership
         void AddAllowedSection(string sectionAlias);
 
         void ClearAllowedSections();
+
+        /// <summary>
+        /// Specifies the number of users assigned to this group
+        /// </summary>
+        int UserCount { get; }
     }
 }
\ No newline at end of file
diff --git a/src/Umbraco.Core/Models/Membership/UserGroup.cs b/src/Umbraco.Core/Models/Membership/UserGroup.cs
index d6674b579d..fff7fac5ea 100644
--- a/src/Umbraco.Core/Models/Membership/UserGroup.cs
+++ b/src/Umbraco.Core/Models/Membership/UserGroup.cs
@@ -39,12 +39,33 @@ namespace Umbraco.Core.Models.Membership
                     (enum1, enum2) => enum1.UnsortedSequenceEqual(enum2),
                     enum1 => enum1.GetHashCode());
         }
-
+
+        /// <summary>
+        /// Constructor to create a new user group
+        /// </summary>
         public UserGroup()
         {
             _sectionCollection = new List<string>();
         }
 
+        /// <summary>
+        /// Constructor to create an existing user group
+        /// </summary>
+        /// <param name="userCount"></param>
+        /// <param name="alias"></param>
+        /// <param name="name"></param>
+        /// <param name="permissions"></param>
+        /// <param name="icon"></param>
+        public UserGroup(int userCount, string alias, string name, IEnumerable<string> permissions, string icon)
+            : this()
+        {
+            UserCount = userCount;
+            _alias = alias;
+            _name = name;
+            _permissions = permissions;            
+            _icon = icon;
+        }
+
         [DataMember]
         public int StartMediaId
         {
@@ -128,5 +149,7 @@ namespace Umbraco.Core.Models.Membership
         {
             _sectionCollection.Clear();
         }
+
+        public int UserCount { get; private set; }
     }
 }
\ No newline at end of file
diff --git a/src/Umbraco.Core/Models/Rdbms/UserGroupDto.cs b/src/Umbraco.Core/Models/Rdbms/UserGroupDto.cs
index 42df2fcf1c..88071dec02 100644
--- a/src/Umbraco.Core/Models/Rdbms/UserGroupDto.cs
+++ b/src/Umbraco.Core/Models/Rdbms/UserGroupDto.cs
@@ -59,5 +59,11 @@ namespace Umbraco.Core.Models.Rdbms
 
         [ResultColumn]
         public List<UserGroup2AppDto> UserGroup2AppDtos { get; set; }
+
+        /// <summary>
+        /// This is only relevant when this column is included in the results (i.e. GetUserGroupsWithUserCounts)
+        /// </summary>
+        [ResultColumn]
+        public int UserCount { get; set; }
     }
 }
\ No newline at end of file
diff --git a/src/Umbraco.Core/Persistence/Factories/UserGroupFactory.cs b/src/Umbraco.Core/Persistence/Factories/UserGroupFactory.cs
index a9cbf95c77..79f03b9910 100644
--- a/src/Umbraco.Core/Persistence/Factories/UserGroupFactory.cs
+++ b/src/Umbraco.Core/Persistence/Factories/UserGroupFactory.cs
@@ -10,22 +10,18 @@ namespace Umbraco.Core.Persistence.Factories
     {
         public static IUserGroup BuildEntity(UserGroupDto dto)
         {
-            var userGroup = new UserGroup();
+            var userGroup = new UserGroup(dto.UserCount, dto.Alias, dto.Name,
+                dto.DefaultPermissions.IsNullOrWhiteSpace()
+                    ? Enumerable.Empty<string>()
+                    : dto.DefaultPermissions.ToCharArray().Select(x => x.ToString(CultureInfo.InvariantCulture)),
+                dto.Icon);
 
             try
             {
                 userGroup.DisableChangeTracking();
-
-                userGroup.Alias = dto.Alias;
-                userGroup.Id = dto.Id;
-                userGroup.Name = dto.Name;
-                userGroup.Permissions = dto.DefaultPermissions.IsNullOrWhiteSpace()
-                    ? Enumerable.Empty<string>()
-                    : dto.DefaultPermissions.ToCharArray().Select(x => x.ToString(CultureInfo.InvariantCulture));
+                userGroup.Id = dto.Id;                
                 userGroup.CreateDate = dto.CreateDate;
-                userGroup.UpdateDate = dto.UpdateDate;
-                userGroup.Icon = dto.Icon;
-
+                userGroup.UpdateDate = dto.UpdateDate;                
                 if (dto.UserGroup2AppDtos != null)
                 {
                     foreach (var app in dto.UserGroup2AppDtos)
diff --git a/src/Umbraco.Core/Persistence/Repositories/Interfaces/IUserGroupRepository.cs b/src/Umbraco.Core/Persistence/Repositories/Interfaces/IUserGroupRepository.cs
index 3aca34c5bd..3b2663e026 100644
--- a/src/Umbraco.Core/Persistence/Repositories/Interfaces/IUserGroupRepository.cs
+++ b/src/Umbraco.Core/Persistence/Repositories/Interfaces/IUserGroupRepository.cs
@@ -47,5 +47,6 @@ namespace Umbraco.Core.Persistence.Repositories
         /// <param name="permission">Permissions as enumerable list of <see cref="char"/></param>
         /// <param name="entityIds">Specify the nodes to replace permissions for</param>
         void AssignGroupPermission(int groupId, char permission, params int[] entityIds);
+        
     }
 }
\ No newline at end of file
diff --git a/src/Umbraco.Core/Persistence/Repositories/UserGroupRepository.cs b/src/Umbraco.Core/Persistence/Repositories/UserGroupRepository.cs
index 727f75f96e..4097751534 100644
--- a/src/Umbraco.Core/Persistence/Repositories/UserGroupRepository.cs
+++ b/src/Umbraco.Core/Persistence/Repositories/UserGroupRepository.cs
@@ -77,6 +77,7 @@ namespace Umbraco.Core.Persistence.Repositories
             var innerSql = GetBaseQuery("umbracoUserGroup.id");
             innerSql.Where("umbracoUserGroup2App.app = " + SqlSyntax.GetQuotedValue(sectionAlias));
             sql.Where(string.Format("umbracoUserGroup.id IN ({0})", innerSql.SQL));
+            AppendGroupBy(sql);
             //must be included for relator to work
             sql.OrderBy<UserGroupDto>(x => x.Id, SqlSyntax);
 
@@ -122,7 +123,7 @@ namespace Umbraco.Core.Persistence.Repositories
         {
             var repo = new PermissionRepository<IContent>(UnitOfWork, _cacheHelper, SqlSyntax);
             repo.AssignPermission(groupId, permission, entityIds);
-        }
+        }        
 
         #region Overrides of RepositoryBase<int,IUserType>
 
@@ -130,6 +131,7 @@ namespace Umbraco.Core.Persistence.Repositories
         {
             var sql = GetBaseQuery(false);
             sql.Where(GetBaseWhereClause(), new { Id = id });
+            AppendGroupBy(sql);
             //must be included for relator to work
             sql.OrderBy<UserGroupDto>(x => x.Id, SqlSyntax);
 
@@ -154,6 +156,7 @@ namespace Umbraco.Core.Persistence.Repositories
             {
                 sql.Where<UserGroupDto>(x => x.Id >= 0);
             }
+            AppendGroupBy(sql);
             //must be included for relator to work
             sql.OrderBy<UserGroupDto>(x => x.Id, SqlSyntax);
 
@@ -166,6 +169,7 @@ namespace Umbraco.Core.Persistence.Repositories
             var sqlClause = GetBaseQuery(false);
             var translator = new SqlTranslator<IUserGroup>(sqlClause, query);
             var sql = translator.Translate();
+            AppendGroupBy(sql);
             //must be included for relator to work
             sql.OrderBy<UserGroupDto>(x => x.Id, SqlSyntax);
 
@@ -186,7 +190,7 @@ namespace Umbraco.Core.Persistence.Repositories
             }
             else
             {
-                return GetBaseQuery("*");
+                return GetBaseQuery("umbracoUserGroup.*, COUNT(umbracoUser.id) AS UserCount, umbracoUserGroup2App.*");
             }
             return sql;
         }
@@ -197,11 +201,22 @@ namespace Umbraco.Core.Persistence.Repositories
             sql.Select(columns)
                 .From<UserGroupDto>()
                 .LeftJoin<UserGroup2AppDto>()
-                .On<UserGroupDto, UserGroup2AppDto>(left => left.Id, right => right.UserGroupId);
+                .On<UserGroupDto, UserGroup2AppDto>(left => left.Id, right => right.UserGroupId)
+                .LeftJoin<User2UserGroupDto>()
+                .On<User2UserGroupDto, UserGroupDto>(left => left.UserGroupId, right => right.Id)
+                .LeftJoin<UserDto>()
+                .On<UserDto, User2UserGroupDto>(left => left.Id, right => right.UserId);                
 
             return sql;
         }
 
+        private void AppendGroupBy(Sql sql)
+        {
+            sql.GroupBy(@"umbracoUserGroup.createDate, umbracoUserGroup.icon, umbracoUserGroup.id, umbracoUserGroup.startContentId,
+umbracoUserGroup.startMediaId, umbracoUserGroup.updateDate, umbracoUserGroup.userGroupAlias, umbracoUserGroup.userGroupDefaultPermissions,
+umbracoUserGroup.userGroupName, umbracoUserGroup2App.app, umbracoUserGroup2App.userGroupId");
+        }
+
         protected override string GetBaseWhereClause()
         {
             return "umbracoUserGroup.id = @Id";
diff --git a/src/Umbraco.Core/Services/IUserService.cs b/src/Umbraco.Core/Services/IUserService.cs
index 3903cc5096..162ee4fb85 100644
--- a/src/Umbraco.Core/Services/IUserService.cs
+++ b/src/Umbraco.Core/Services/IUserService.cs
@@ -182,7 +182,7 @@ namespace Umbraco.Core.Services
         /// <returns><see cref="IEnumerable{IUser}"/></returns>
         IEnumerable<IUser> GetAllNotInGroup(int groupId);
 
-        #region User groups
+        #region User groups        
 
         /// <summary>
         /// Gets all UserGroups or those specified as parameters
diff --git a/src/Umbraco.Core/Services/UserService.cs b/src/Umbraco.Core/Services/UserService.cs
index 99b4b56cdd..e4eed2ce04 100644
--- a/src/Umbraco.Core/Services/UserService.cs
+++ b/src/Umbraco.Core/Services/UserService.cs
@@ -601,7 +601,7 @@ namespace Umbraco.Core.Services
             {
                 return repository.GetAllNotInGroup(groupId);
             }
-        }
+        }        
 
         #endregion
 
diff --git a/src/Umbraco.Web/Models/ContentEditing/UserGroupBasic.cs b/src/Umbraco.Web/Models/ContentEditing/UserGroupBasic.cs
index 3d6b304bef..d34ec6cf67 100644
--- a/src/Umbraco.Web/Models/ContentEditing/UserGroupBasic.cs
+++ b/src/Umbraco.Web/Models/ContentEditing/UserGroupBasic.cs
@@ -25,5 +25,11 @@ namespace Umbraco.Web.Models.ContentEditing
 
         [DataMember(Name = "startMediaId")]
         public EntityBasic StartMediaId { get; set; }
+
+        /// <summary>
+        /// The number of users assigned to this group
+        /// </summary>
+        [DataMember(Name = "userCount")]
+        public int UserCount { get; set; }
     }
 }
\ No newline at end of file
diff --git a/src/Umbraco.Web/Models/Mapping/UserModelMapper.cs b/src/Umbraco.Web/Models/Mapping/UserModelMapper.cs
index e5baa81fac..f5139460ff 100644
--- a/src/Umbraco.Web/Models/Mapping/UserModelMapper.cs
+++ b/src/Umbraco.Web/Models/Mapping/UserModelMapper.cs
@@ -52,6 +52,7 @@ namespace Umbraco.Web.Models.Mapping
 
             config.CreateMap<IReadOnlyUserGroup, UserGroupBasic>()
                 .ForMember(detail => detail.StartContentId, opt => opt.Ignore())
+                .ForMember(detail => detail.UserCount, opt => opt.Ignore())
                 .ForMember(detail => detail.StartMediaId, opt => opt.Ignore())
                 .ForMember(detail => detail.Key, opt => opt.Ignore())
                 .ForMember(detail => detail.Sections, opt => opt.Ignore())