21% of U.S. Mobile Users Get Social

In a comScore study on mobile usage and behaviors, 21% of U.S. users reported using their device to access social networking sites, compared to 17% of Japanese users and 15% of Europeans.

Japanese mobile users were most “connected,” with 75% using connected media (browsed, accessed applications or downloaded content) in June, compared to 44% in the U.S. and 39% in Europe. Europeans are the heaviest users of text messaging, with 82% sending a text message in June, compared to 67% in the U.S. and just 40%in Japan.

In all three markets, the top mobile social media brand mirrored the top PC-based social networking brand with Facebook leading in the U.S. and in Europe, and Mixi leading in Japan. Local brands Gree and Mobage Town were the #2 and #4 most accessed social networking brands in Japan. Twitter was the only brand to be ranked in the top four in all markets.

Top Mobile Social Networking/Chat/Blog Brands in Japan, United States and EU5 (UK, DE, FR, ES and IT) by Audience Size, June 2010

Japan U.S. Europe
Mixi Facebook Facebook
Gree MySpace YouTube
Twitter YouTube MSN/Windows Live/Bing
Mobage Town Twitter Twitter

Read more in comScore’s press release.