WordPress version 4.3.*
http://codex.wordpress.org/Version_4.3
Content Management System
Get access to data on 4,775,229 websites that are Wordpress 4.3 Customers. We know of 224,143 live websites using Wordpress 4.3 and an additional 4,551,086 sites that used Wordpress 4.3 historically and 106,771 websites in the United States.
Get a list of 4,775,229 websites using Wordpress 4.3 which includes location information, hosting data, contact details, 224,143 currently live websites and 4,551,086 sites that used this technology previously and 106,771 websites in the United States currently using Wordpress 4.3.