Yes, WordPress is very populare more than 43% According to w3techs.com , 43.3% of the world’s websites are built with WordPress. If we look at websites that are created with CMSs, that number is even higher: 65.3% of websites built with an identifiable content management system, are currently using WordPress! source It is not difficult, and you are going to have work.
70.0%United States of America (the)
14.6%Russian Federation (the)
10.2%China