Are there any statistics on the use of authorization through social networks on sites?

Question

OAuth

Are there any statistics on the use of authorization through social networks on sites? For example, how many percent of users register / log in to the site using Vkontakte, how many percent - using Odnoklassniki, how many using Twitter, how many using Google, and maybe how many do not use (use login / password registration)? Maybe someone has their own statistics, I will be grateful if you share. It is necessary for practical purposes (which ones to implement on the site and which not). Thanks in advance.

Answer 1

so it depends on the site and the audience
, usually VK, FB,
Twitter soap, ok much less

Answer 2

Russians have the most via VK