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Declining confidence in organized religion likely reflects many factors, including clergy scandals and the religion-politics connection.
Pete Buttigieg raised the possibility of a "religious left" in the coming presidential election, but relatively few liberals or Democrats are highly religious.
Trump job approval among highly religious, white Protestants is high and has remained stable since he took office.
Highly religious Americans, Jews and evangelical Protestants remain much more sympathetic to Israel than others in the U.S.
Prior to recent discussion of a possible Jewish backlash against the Democratic Party, 16% of American Jews identified as Republicans in 2018.
Church attendance has been edging down in the U.S., and a decline in "outstanding" local church leaders could be a factor.
American Catholics, about 23% of the U.S. adult population, remained positive about Pope Francis in early August, giving him a 78% favorable rating.
Americans' identification as born-again or evangelical has stayed remarkably stable since 1991, even as other indicators show Americans becoming less religious.
American public opinion during World War II and the Holocaust is the subject of a new exhibit at the United States Holocaust Memorial Museum.
Two-thirds of highly religious white Protestants approve of the job Trump is doing as president, and they are likely to continue barring major policy changes.