From 2010 to 2023, Democrats were found much more likely than Republicans to identify with no religion in the United States. In 2023, 33 percent of Democrats said that they identified with no religion compared to 12 percent of Republicans.
Identifying with no religion is defined by the source as 'those who, when asked by a survey researcher about their religious identity, reply that they have none'.
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Gallup. (September 1, 2023). Share of Americans who identify with no religion in the United States from 2010 to 2023, by political party [Graph]. In Statista. Retrieved June 27, 2025, from https://www.statista.com/statistics/1415910/share-of-americans-who-identify-with-no-religion-by-political-party/
Gallup. "Share of Americans who identify with no religion in the United States from 2010 to 2023, by political party." Chart. September 1, 2023. Statista. Accessed June 27, 2025. https://www.statista.com/statistics/1415910/share-of-americans-who-identify-with-no-religion-by-political-party/
Gallup. (2023). Share of Americans who identify with no religion in the United States from 2010 to 2023, by political party. Statista. Statista Inc.. Accessed: June 27, 2025. https://www.statista.com/statistics/1415910/share-of-americans-who-identify-with-no-religion-by-political-party/
Gallup. "Share of Americans Who Identify with No Religion in The United States from 2010 to 2023, by Political Party." Statista, Statista Inc., 1 Sep 2023, https://www.statista.com/statistics/1415910/share-of-americans-who-identify-with-no-religion-by-political-party/
Gallup, Share of Americans who identify with no religion in the United States from 2010 to 2023, by political party Statista, https://www.statista.com/statistics/1415910/share-of-americans-who-identify-with-no-religion-by-political-party/ (last visited June 27, 2025)
Share of Americans who identify with no religion in the United States from 2010 to 2023, by political party [Graph], Gallup, September 1, 2023. [Online]. Available: https://www.statista.com/statistics/1415910/share-of-americans-who-identify-with-no-religion-by-political-party/
