Turkey has grown the most of late. The country gained 1.07 million users, an 8% gain to reach 14.5 million total. The United Kingdom is still the largest Facebook country in Europe, with 20.6 million monthly actives. But it grew relatively slowly, adding nearly 300,000 users. In other countries, Facebook grew at impressive double-digit rates per month in September. Via InsideFacebook

facebook europe 2 Facebooks Top 10 Fastest Growing European Countries