• Pingdom, Friday, August 13, 2010 2:05 PM

Which countries have the most users on Facebook? Following the United States (with 130 million), top honors go to the UK (28 million), (Indonesia 26 million), Italy (26 million), France (26 million), India (26 million), Germany (18 million), Mexico (16 million), Turkey (16 million), and Canada (15 million). That's according to site monitor Pingdom, which based its findings on per-country traffic estimates to Facebook.com, and data from Google Ad Planner.

Google Ad Planner estimates worldwide monthly visitors to Facebook.com to 550 million. This is slightly higher than the 500 million active users Facebook says it has, but on the other hand, not all visitors to Facebook.com need to have an account. "Still, we'll use the 550-million number in the calculations here below to be consistent," reports Pingdom. Also of note, The United States alone accounts for almost 24% of Facebook's users. The United States has 4.6 times as many Facebook users as the second-largest country on Facebook, the United Kingdom, while the top 10 countries on Facebook account for almost 58% of its users.

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