Catholics remain the largest religious group among Latinos in the United States, even as their share among Latino adults has steadily declined over the past decade. The share of Latinos who are religiously unaffiliated is now on par with U.S. adults overall.
Pew Research Center estimates that there were about 3.3 million Muslims of all ages living in the United States in 2015. This means that Muslims made up about 1% of the total U.S. population.