Young people continue to be the strongest proponents of same-sex marriage. And as public support for same-sex marriage continues to grow, the gap between young and old is nowhere more striking than within the Republican coalition.

Today, 61% of Republicans and Republican leaners under 30 favor same-sex marriage while just 35% oppose it. By contrast, just 27% of Republicans ages 50 and older favor allowing gays and lesbians to marry.

This generation gap among Republicans comes against a backdrop of rapidly changing public opinion overall on the issue. More than half the public (54%) now favors allowing gays and lesbians to legally marry, a record high in Pew Research surveys, in keeping with findings from other recent polls. Democrats and Republicans remain on opposite sides of the issue, with 69% of Democrats and Democratic leaning independents favoring same-sex marriage compared with 39% Republicans and Republican leaners.

On this issue, young Republicans’ views are more in line with Democrats. And while support for gay marriage is higher among younger Democrats and Democratic leaners than older Democrats, even Democrats 65 and older favor same-sex marriage by a margin of about two-to-one.

The relative liberalism of young Republicans on issues of homosexuality goes beyond their support for gay marriage. Just 18% of Republicans under 30 say “more gay and lesbian couples raising children” is a bad thing for American society, while 26% say it is a good thing (56% either say it doesn’t make a difference or they don’t know). By comparison, majorities or pluralities of older Republicans say this trend is a bad thing for society.