(ETH) – U.S. support for legal same-sex marriage continues to trend upward, now at 70% — a new high in Gallup’s trend since 1996. This latest figure marks an increase of 10 percentage points since 2015, when the U.S. Supreme Court ruled that all states must recognize same-sex marriages. These data are from Gallup’s annual Values and Beliefs poll, conducted May 3-18.

Today’s 70% support for same-sex marriage marks a new milestone in a trend that has pointed upward for a quarter of a century. A small minority of Americans (27%) supported legal recognition of gay and lesbian marriages in 1996, when Gallup first asked the question. But support rose steadily over time, eventually reaching the majority level for the first time in 2011.

By the time of the Supreme Court’s Obergefell v. Hodges decision in 2015, support for gay marriage had reached 60%. Since then, the issue has been less prominent in U.S. politics, and public support for same-sex marriage has continued to increase.


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Gallup has recorded other shifts in Americans’ ideas on marriage over time, historically, including expanded support for interracial marriage, which had 87% approval as of Gallup’s 2013 update. Republicans, who have consistently been the party group least in favor of same-sex marriage, show majority support in 2021 for the first time (55%). The latest increase in support among all Americans is driven largely by changes in Republicans’ views. READ MORE