Muslim world but are rapidly increasing. In the Eastern Middle East, Iran has a high level of youth literacy at 98%, whereas Iraq's youth literacy rate has sharply declined from 85% to 57%, during the American-led war and subsequent occupation. Indonesia, the largest Muslim-majority country in the world, has a very high youth literacy rate at 99%. In Afghanistan, seminaries are operated by politically active religious organizations and have taken the place of basic education not provided and funded by the government. A 2016 Pew Research Center study about religion and education around the world found that Muslims have the lowest average
Muslim world of the Muslim world came under influence or colonial domination of European powers. The nation states that emerged in the post-colonial era have adopted a variety of political and economic models, and they have been affected by secular and as well as religious trends. , the combined GDP (nominal) of 49 Muslim majority countries was US$5.7 trillion, , they contributed 8% of the world's total. As of 2015, 1.8 billion or about 24.1% of the world population are Muslims. By the percentage of the total population in a region considering themselves Muslim, 91% in the Middle East-North Africa (MENA), 89%