Islam by country 62% of the world's Muslims live in the Asia-Pacific region (from Turkey to Indonesia), with over 1 billion adherents. The largest Muslim population in a country is in Indonesia, a nation home to 12.7% of the world's Muslims, followed by Pakistan (11.0%), and India (10.9%). About 20% of Muslims live in Arab countries. In the Middle East, the non-Arab countries of Iran and Turkey are the largest Muslim-majority countries; in Africa, Egypt and Nigeria have the most populous Muslim communities. The study found more Muslims in the United Kingdom than in Lebanon and more in China than in Syria. Indian
Muslim world Turkmenistan have over 97% literacy rates, whereas literacy rates are the lowest in Mali, Afghanistan, Chad and parts of Africa. In 2015, the International Islamic News Agency reported that nearly 37% of the population of the Muslim world is unable to read or write, basing that figure on reports from the Organisation of Islamic Cooperation and the Islamic Educational, Scientific and Cultural Organization. Several Muslim-majority countries like Turkey, Iran, Egypt, and Pakistan exhibit high rate of citable scientific publications. Throughout history, Muslim cultures have been diverse ethnically, linguistically and regionally. The term "Islamic art and architecture" denotes the works of