According to Facebook demographics obtained this month, Iceland, the country with the highest percentage of Facebook users, shows an astonishing 43% of the total population using Facebook, meaning that according to Facebook’s statistics, almost half of Iceland’s 305,000 residents are on Facebook. Read the full article
Sometimes it seems like everybody you know is on Facebook ... but there are 15 countries with more people on FB than the U.S. Lot of room for expansion.