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 boundaries of the Muslim world. The Open Doors USA organization, in its 2012 survey of countries around the world that persecute Christians, listed 37 members of the Muslim world amongst the top 50 countries where Christians face the most severe persecution. 9 of the top 10 countries are Islamic-majority states. As the Muslim world came into contact with secular ideals, societies responded in different ways. Some Muslim-majority countries are secular. Azerbaijan became the first secular republic in the Muslim world, between 1918 and 1920, before it was incorporated into the Soviet Union. Turkey has been governed as a secular state