Same-Sex Marriages Up One Year After Supreme Court Verdict June 22, 2016 · Leave a Comment The proportion of same-sex cohabiting couples who are married has increased from 38% to 49% in the year since the U.S. Supreme Court legalized same-sex marriage nationwide. CONT. Jeffrey M. Jones, Gallup Share:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window)Click to share on Reddit (Opens in new window)Click to email a link to a friend (Opens in new window)Click to share on LinkedIn (Opens in new window)Click to share on Tumblr (Opens in new window)Click to share on Pinterest (Opens in new window)MoreClick to print (Opens in new window)