Of the roughly 4 million Muslims, most are Sunnis and Alevites from Turkey, but there are a small number of Shi'ites and other denominations. 1.9% of the country's overall population declare themselves Orthodox Christians, with Serbs, Greeks, Montenegrins, Ukrainians and Russians being the most numerous. Germany has Europe's third-largest Jewish population (after France and the United Kingdom). In 2004, twice as many Jews from former Soviet republics settled in Germany as in Israel, bringing the total Jewish population to more than 200,000, compared to 30,000 prior to German reunification. Large cities with significant Jewish populations include Berlin, Frankfurt and Munich. Around 250,000 active Buddhists live in Germany; 50% of them are Asian immigrants.