How many Christian are in America?
Christianity in the United States
240 million
Christianity is the most adhered to religion in the United States, with 75% of polled American adults identifying themselves as Christian in 2015.[1][2] This is down from 85% in 1990, lower than 81.6% in 2001,[3] and slightly lower than 78% in 2012.[4] About 62% of those polled claim to be members of a church congregation.[5] The United States has the largest Christian population in the world, with nearly 240 million Christians, although other countries have higher percentages of Christians among their populations.