10% of desktop internet users in the US use an ad blocker

"Ad blockers are now used by 10% of US desktop internet users, according to a new report from comScore (which we first spotted on The Wall Street Journal.)
The level of ad blocker usage has remained steady over the past six months, comScore says.
The research house, which provides the universally-accepted data used for website and advertising traffic, compiled its latest report from from a panel of around one million internet users in the US."

Source:  Business Insider, 1st April 2016