Jewish population by country community saw mass exodus at the end of the 20th century and numbered fewer than 20 in the midst of the Syrian Civil War. The size of the Jewish community in Indonesia has been variously given as 65, 100, or 18 at most over the last 50 years. According to the Jewish Data Bank (Table 4), the 22 countries with the largest core Jewish populations were: Jewish population by country The world's core Jewish population was estimated at 14,511,000 in April 2018, up from 14.41 million in 2016. Demographer Sergio DellaPergola proposes an "extended" Jewish population, including people identifying as
Muslim world was ushered by the colonial powers. The only Muslim-majority regions not to be colonized by the Europeans were Saudi Arabia, Iran, Turkey, and Afghanistan. Turkey was one of the first colonial powers of the world with the Ottoman empire ruling several states for over 6 centuries. Many disputes have occurred within the Muslim community regarding how to manage, organize and administer their respective countries. Because the terms "Muslim world" and "Islamic world" are disputed, since all countries have some non-Muslims and there is not universal agreement on what proportion of the population would be required or if other factors (such