The Atlantic reports:
Less than half of Muslims under 40 visit a mosque each week, according to Pew Research Center, and only one-third of Muslims under 30 pray five times a day in keeping with traditional Islamic practice.
There's more:
While 58 percent of adult Muslims were born outside of the U.S., according to Pew, that means 42 percent of American Muslims were born in the country. More than half of those who have been here for three generations or more are black.
An article well worth your time.