To find out the total number of registered users on your Matomo, first log in to your Matomo as a Super User. If your user has the Matomo « Admin » role then you might not see all the users.

In Matomo 3 and newer

When you are logged in, click on the « Administration » icon in the top right corner to load the admin area.

The number of users is shown in the widget « System Summary » in the top left of the administration home page.

In Matomo 2

When you are logged in, click on the « Administration » icon in the top right corner to load the admin area.

Click on « Users » in the left menu of the administration area, then scroll down to the « Users Management » section. It will show you the total number of users registered on your Matomo in the first paragraph of that section.

Previous FAQ: User Roles in Matomo