*Projection for 2070 is based on whether recent trends of Americans switching religious identities continues in the United States, with no limit imposed on switching rates.
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Projected share of Americans who are religiously unaffiliated in 1972, 2020, and 2070
In 1972, an estimated five percent of the population in the United States identified as religiously unaffiliated. By 2020, this number rose to ** percent, a phenomenon which may be attributed to recent trends where many Americans have left Christianity to instead identify as atheist, agnostic, or nothing in particular. If these trends continue, the number of Americans who are religiously unaffiliated has been projected to reach ** percent by 2070.
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Pew Research Center. (September 13, 2022). Projected share of Americans who are religiously unaffiliated in the United States in 1972, 2020, and 2070, if recent trends continue [Graph]. In ÌÇÐÄÆƽâ°æ. Retrieved July 24, 2026, from /statistics/1414590/projected-share-of-religiously-unaffiliated-americans/
Pew Research Center. "Projected share of Americans who are religiously unaffiliated in the United States in 1972, 2020, and 2070, if recent trends continue." Chart. September 13, 2022. ÌÇÐÄÆƽâ°æ. Accessed July 24, 2026. /statistics/1414590/projected-share-of-religiously-unaffiliated-americans/
Pew Research Center. (2022). Projected share of Americans who are religiously unaffiliated in the United States in 1972, 2020, and 2070, if recent trends continue. ÌÇÐÄÆƽâ°æ. ÌÇÐÄÆƽâ°æ Inc.. Accessed: July 24, 2026. /statistics/1414590/projected-share-of-religiously-unaffiliated-americans/
Pew Research Center. "Projected Share of Americans Who Are Religiously Unaffiliated in The United States in 1972, 2020, and 2070, If Recent Trends Continue." ÌÇÐÄÆƽâ°æ, ÌÇÐÄÆƽâ°æ Inc., 13 Sep 2022, /statistics/1414590/projected-share-of-religiously-unaffiliated-americans/
Pew Research Center, Projected share of Americans who are religiously unaffiliated in the United States in 1972, 2020, and 2070, if recent trends continue ÌÇÐÄÆƽâ°æ, /statistics/1414590/projected-share-of-religiously-unaffiliated-americans/ (last visited July 24, 2026)
Projected share of Americans who are religiously unaffiliated in the United States in 1972, 2020, and 2070, if recent trends continue [Graph], Pew Research Center, September 13, 2022. [Online]. Available: /statistics/1414590/projected-share-of-religiously-unaffiliated-americans/
