India. 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.
Simply so, how many Muslims are there?
According to a 2010 study and released January 2011, Islam has 1.5 billion adherents, making up over 22% of the world population. According to the Pew Research Center in 2015 there were 50 Muslim-majority countries.
Which is the fastest growing religion in the United States?
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.