Market Share by Top Websites

1 Google +1 Button is leading in The Entire Web.

2 Facebook Like Button is leading in Top 10K Sites, Top 100K Sites and Top 1M Sites.

Websites Categories

1 Google +1 Button has better usage coverage in more websites categories. Including People & Society, Arts & Entertainment, Business & Industry, Internet & Telecom and 239 other categories.

2 Facebook Like Button is leading in Public Health & Safety, Book Retailers and Guides & Reviews.

Geography

1 Google +1 Button is leading in most countries, including United States, Indonesia, Brazil, Russia and 175 other countries.

2 Facebook Like Button is leading in Japan, Poland, Hungary, Czech Republic and 37 other countries.