Muslim world are: Saudi Arabia, Pakistan, Afghanistan, Iran, Mauritania, and Yemen. Other states where Islam is the politically defined state religion are: Egypt, Jordan, Iraq, Kuwait, Algeria, Malaysia, Maldives, Morocco, Libya, Tunisia, United Arab Emirates, Somalia and Brunei. Other Muslim-majority countries include: Niger, Indonesia, Sudan, Bosnia and Herzegovina, Sierra Leone, Djibouti, Albania, Azerbaijan, Bangladesh, Burkina Faso, Chad, The Gambia, Guinea, Kazakhstan, Kosovo, Kyrgyzstan, Mali, Northern Cyprus, Nigeria, Senegal, Syria, Lebanon, Tajikistan, Turkmenistan, Turkey and Uzbekistan. More than 24.1% of the world's population is Muslim. Current estimates conclude that the number of Muslims in the world is around 1.8 billion. Muslims are the
Muslim population growth Muslims. According to Pew Research, religious conversion has no net impact on the Muslim population as the number of people who convert to Islam is roughly similar to those who leave Islam. It is often reported from most recent various sources in 2010, including the German domestic intelligence service, that Salafism is the fastest-growing Islamic movement in the world. Though according to the "World Christian Encyclopedia", published in 2001, the fastest-growing branch of Islam is Ahmadiyya. However, many Muslims consider Ahmadi Muslims as either "kafirs" or heretics.<ref> Muslim population growth Muslim population growth refers to the topic of population growth