Detailed overview of Muslim population by country, giving insights into Islam, the world's second-largest religion, including data on the total number of Muslims and the percentage of the …

Detailed overview of Muslim majority countries, giving each nation's total number and percentage of Muslim population.

Countries with Shia populations of less than 100,000 were not given detailed population estimates. Listed percentages are approximate and based upon the best available statistical …

Data on the frequency of inbreeding/consanguinuity by country, including countries where inbreeding is common, countries in which inbreeding is uncommon, and the country with the …

The percentages displayed represent the concentration of Sunni and Shia Muslims within the total population. Only in countries in which the entire population is either Shia or Sunni Muslim will …

Islam is the world’s second-largest religion, with over 1.9 billion followers known as Muslims. The countries with the highest Muslim populations are Indonesia, Pakistan, and India.

India is currently the most populous country in the world, with a population estimated at more than 1.64 billion as of 2025. Only one other country in the world boasts a population of more than 1 …

Percentages shown for Sunni and Shia Muslims represent the percentage of individuals within the total population who identify as Shia or Sunni. Only in countries in which the entire population …

The Ismailis are a transnational community, estimated at 12-15 million individuals, who live in more than 35 different countries, mainly in Central and South Asia, Africa, the Middle East, …

Interesting data on the average IQ by country, offering insights into the average intelligence levels of populations through various tests and sources.