There are currently approximately 50 Muslim-majority countries in the world, though the precise number differs slightly depending upon the source. In most cases, these inconsistencies can be attributed to one of two causes. Muslim Countries around the World. The main regions of the world with a predominantly Islamic population are located in Central Asia, the entire Middle East and Western Asia (except Armenia and Israel), all of North Africa, and many countries in West Africa, South Asia, and Maritime Southeast Asia. In how many countries is Islam the main religion? As of 2025, Muslims make up approximately 24.1% of the global population, totaling an estimated 2 billion people. This growth is driven by high fertility rates in Muslim-majority countries, a youthful demographic, and, in some regions, increased religious conversions and migration. Islam, a faith of profound depth and diversity, is at the heart of these nations. However, the way Islam interplays with the cultural, political, and social fabrics of these countries varies significantly. From predominantly Muslim populations to countries where Islam guides the legislative framework, each nation on our list offers a unique story.
