The support for same-sex marriage in the United States increased overall between 2016 and 2024. However, there was a decrease in support across both parties in 2024. According to a survey conducted across the years, this increase was particularly relevant among Republicans. This was consistently the party group least in favor of gay marriage, but in 2021, for the first time, a slight majority of Republicans showed support for it. In 2024, 83 percent of the Democrats' electorate thought that same-sex marriage should be recognized by the law as valid.
Share of Americans who think same-sex marriage should be recognized by the law as valid from 2016 to 2024, by political party affiliation
Characteristic
Republicans
Democrats
Independents
2024
46%
83%
-
2023
49%
84%
78%
2022
55%
87%
-
2021
55%
83%
73%
2020
49%
83%
71%
2019
44%
79%
68%
2018
44%
83%
71%
2017
47%
74%
71%
2016
40%
79%
65%
40%50%60%70%80%90%
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Gallup. (June 24, 2024). Share of Americans who think same-sex marriage should be recognized by the law as valid from 2016 to 2024, by political party affiliation [Graph]. In Statista. Retrieved May 18, 2025, from https://www.statista.com/statistics/1249216/support-for-same-sex-marriage-in-the-united-states-by-political-party/
Gallup. "Share of Americans who think same-sex marriage should be recognized by the law as valid from 2016 to 2024, by political party affiliation." Chart. June 24, 2024. Statista. Accessed May 18, 2025. https://www.statista.com/statistics/1249216/support-for-same-sex-marriage-in-the-united-states-by-political-party/
Gallup. (2024). Share of Americans who think same-sex marriage should be recognized by the law as valid from 2016 to 2024, by political party affiliation. Statista. Statista Inc.. Accessed: May 18, 2025. https://www.statista.com/statistics/1249216/support-for-same-sex-marriage-in-the-united-states-by-political-party/
Gallup. "Share of Americans Who Think Same-sex Marriage Should Be Recognized by The Law as Valid from 2016 to 2024, by Political Party Affiliation." Statista, Statista Inc., 24 Jun 2024, https://www.statista.com/statistics/1249216/support-for-same-sex-marriage-in-the-united-states-by-political-party/
Gallup, Share of Americans who think same-sex marriage should be recognized by the law as valid from 2016 to 2024, by political party affiliation Statista, https://www.statista.com/statistics/1249216/support-for-same-sex-marriage-in-the-united-states-by-political-party/ (last visited May 18, 2025)
Share of Americans who think same-sex marriage should be recognized by the law as valid from 2016 to 2024, by political party affiliation [Graph], Gallup, June 24, 2024. [Online]. Available: https://www.statista.com/statistics/1249216/support-for-same-sex-marriage-in-the-united-states-by-political-party/
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