WordPress is being used by more than 60 million websites. Its is used by 58.6% of all the websites whose content management system we know. This is 24.9% of all websites on internet.

There are many wordpress themes available in market, some are free while some other are paid. Here is a breakup of themes being used as on Nov 2, 2015. This chart was taken from Builtwith.

wordpress-theme-chart

Top in WordPress Theme ยท Week beginning Nov 02, 2015

Name10k100kMillionEntire Web
Twenty Eleven674528,985365,154
Genesis Framework626085,601 150,533
Twenty Twelve353887,196358,797
Avada313023,484180,044
WooFramework313904,538220,275
Twenty Ten303176,326224,550
Twenty Fourteen282632,473388,198
Salient2698830 56,234
Enford241531,670104,549
Thesis222253,15257,765

 

I was surprised to see that Twenty Ten, Twenty Eleven, Twenty Twelve, Twenty Thirteen and Twenty Fourteen are still in use, while Twenty Fifteen could not secure a place in the list. (These all are free themes provided with WordPress).