161.2 million adherents in 356,642 congregations in 2020: 48.6% of residents
The groups' own counts of everyone affiliated, not belief or attendance; groups that did not take part are missing. ARDA's harmonised waves (1980-2010, 54.5% in 2010) are not directly comparable with 2020.
Domestic · Domestic Intelligence · ASARB 2020 U.S. Religion Census · 30 Dec 2020