Islam is the fastest-growing religion in India. Growth rate of Muslims has been consistently higher than the growth rate of Hindus, even since the census data of independent India has been available.
By 2030, Muslims are expected to make up 8% of Europe's population including an estimated 19 million in the EU (3.8%), including 13 million foreign-born Muslim immigrants. Islam is widely considered as the fastest growing religion in Europe due primarily to immigration and above average birth rates.
Islam is the fastest growing religion all over the world due to high fertility rates Religious switching has no impact on Muslim population relative to other religious group, since the number of people who embrace Islam and those who leave Islam are roughly equal.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.