June 2, 2016 6:01 AM EDT

Software that blocks ads in browsers or apps cuts two ways: it reduces clutter for the viewer, but it also reduces revenue for websites that survive on the sales of those ads. Outlets ranging from newspapers to social-media platforms have been affected. A new report from PageFair, a startup that offers publishers ways to get around blockers, recently measured the phenomenon, which varies widely by region.


Percentage of global smartphone users who deploy a blocker on their mobile browser


Global increase in mobile users who deployed a blocker from January 2015 to January 2016

159 million

Number of ad-blocking browsers installed in China, compared with 122 million in India and only 2.3 million in the U.S.


Number of ad-blocking browsers available for download on the iOS and Android systems


Number of minutes of iPhone 6 battery life saved by using the ad blocker Purify while browsing the web, in a test performed by the New York Times


This appears in the June 13, 2016 issue of TIME.

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