There were an estimated 835.5 million Facebook users worldwide at the end of March 2012, according to Internet World Stats. Europe was the region with most Facebook subscribers (233 million), followed by Asia (195 million). In third place was North America (173 million), next are South America, Central America, Africa, the Middle East, Oceania, and the Caribbean. The most important conclusion is that only eight regions show growth. Asia and South America stand out as the regions with the highest growth for Facebook.

Facebook subscribers by regions, 31st March 2012:
WORLD TOTAL: 835,525,280 
- Europe: 232,835,740
- Asia: 195,034,380
- North America: 173,284,940
- South America: 112,531,100
- Central America: 41,332,940
- Africa: 40,205,580
- Middle East: 20,247,900
- Oceania / Australia: 13,597,380
- Caribbean: 6,355,320

Internet World Stats have analyzed the number of Facebook subscribers in 210 countries and territories, in three month periods since March 31, 2011 till March 31, 2012.