group,metric,year_early,value_early,year_late,value_late,change,source
Catholics all ages,weekly attendance %,1955,~75,2025,~35,-40pp,Gallup
Catholics age 21-29,weekly attendance %,1955,~74,2025,~25,-49pp,Gallup
Catholics age 60+,weekly attendance %,1955,~76,2025,~49,-27pp,Gallup
Protestants age 21-29,weekly attendance %,1955,~38,2025,~36,-2pp,Gallup (dipped in 60s-70s then rebounded)
Protestants age 60+,weekly attendance %,1955,~45,2025,~53,+8pp,Gallup
All adults 18-29,weekly attendance %,1975,26,2022,15,-11pp,GSS / Pew
All adults 30-39,weekly attendance %,1975,29,2022,14,-15pp,GSS / Pew
Caucasians,weekly attendance %,2000,28,2022,21,-7pp,"GSS; Heritage Foundation analysis (p<0.001)"
African Americans,weekly attendance %,2000,37,2022,27,-10pp,"GSS; Heritage Foundation analysis (p<0.03)"
Hispanics,weekly attendance %,2000,31,2022,20,-11pp,"GSS; Heritage Foundation analysis (p<0.02)"
Millennials,church membership %,~2010,~62,2020,42,-20pp,Gallup
Gen X (same age as millennials),church membership %,1998,68,,,,Gallup; comparison baseline
All US adults,no religious affiliation %,1998,8,2023,21,+13pp,Gallup
All US adults,church membership %,1937,73,2020,47,-26pp,Gallup; fell below 50% for first time
Muslim Americans,regular mosque attendance %,2000,34,2023,38,+4pp,Gallup
Jewish Americans,regular synagogue attendance %,2000,15,2023,22,+7pp,Gallup