The share of Americans who leave Islam is offset by those who become Muslim
About a quarter of adults who were raised Muslim no longer identify as members of the faith. But Islam gains about as many converts as it loses.
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Between 2010 and 2016, the number of Muslims living in Germany rose from 3.3 million (4.1% of the population) to nearly 5 million (6.1%), while the rest of the population shrank modestly from 77.1 million to 76.5 million.