Wordpress is popularly known for content management service (CMS) and is the biggest provider in the field of internet content and web based software programs. By the March of 2012, the organization offers services to over 72.4 m client base.
Salient features of the service:
50% of websites are hosted on WordPress.com
Wordpress has become a platform for 20-25% of new websites published by the end of 2011
Wordpress is used by 48% of the top 100 blogs ranked by Technorati
22 in 100 new domains created in the US are running wordpress
wordpress is the 18th most popular website in the UK
More than 352 million people visit over 2.5 m pages on average in an ordinary month
500,000 posts are made on the sites hosted by the WordPress every single day
Wordpress holds 53.8% of market share in the US
Over 19,000 plug-ins freely available in the wordpress
Among many SEO is the most popular plug-in
Here is a nice infographic designed by WPTemplate team for, which says WordPress is the emerging monopoly in CMS.