WordPress version 4.8.*
http://codex.wordpress.org/Version_4.8
Content Management System
Get access to data on 10,304,968 websites that are Wordpress 4.8 Customers. We know of 975,026 live websites using Wordpress 4.8 and an additional 9,329,942 sites that used Wordpress 4.8 historically and 412,785 websites in the United States.
Get a list of 10,304,968 websites using Wordpress 4.8 which includes location information, hosting data, contact details, 975,026 currently live websites and an additional 232,707 domains that redirect to sites in this list. 9,329,942 sites that used this technology previously and 412,785 websites in the United States currently using Wordpress 4.8.