Market Share by Top Websites

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

2 AddThis 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 Computers Electronics & Technology, Arts & Entertainment, Science & Education, Food & Drink and 10 other categories.

2 AddThis is leading in Adult, Health, Community & Society, Law & Government and 6 other categories.

Geography

1 Google +1 Button is leading in most countries, including Japan, Indonesia, Taiwan, Brazil and 122 other countries.

2 AddThis is leading in United States, United Kingdom, Canada, Australia and 35 other countries.