closes #4672

src/controllers/users.js

@@ -171,12 +171,17 @@ function render(req, res, data, next) {
 	data.adminInviteOnly = registrationType === 'admin-invite-only';
 	data['reputation:disabled'] = parseInt(meta.config['reputation:disabled'], 10) === 1;
 
-	user.getInvitesNumber(req.uid, function(err, num) {
+	async.parallel({
+		numInvites: async.apply(user.getInvitesNumber, req.uid),
+		numUsers: async.apply(user.getUserCount)
+	}, function(err, meta) {
 		if (err) {
 			return next(err);
 		}
 
-		data.invites = num;
+		res.append('X-Total-Count', meta.numUsers);
+		data.invites = meta.numInvites;
+
 		res.render('users', data);
 	});
 }

src/user.js

@@ -33,6 +33,10 @@ var utils = require('../public/src/utils');
 	require('./user/invite')(User);
 	require('./user/password')(User);
 
+	User.getUserCount = function(callback) {
+		db.sortedSetCount('username:uid', '-inf', '+inf', callback);
+	};
+
 	User.updateLastOnlineTime = function(uid, callback) {
 		callback = callback || function() {};
 		User.getUserFields(uid, ['status', 'lastonline'], function(err, userData) {