Same-sex marriage is the marriage of two people of the same sex or gender, entered into in a .. Opposition. Further information: LGBT rights opposition.
Same-sex marriage, the practice of marriage between two men or between two women. Although same-sex marriage has been regulated through law, religion.
The share of Americans who favor same sex marriage has grown in recent years, though there are still demographic and partisan divides.
Read CNN's Fast Facts on same-sex marriage and learn more about gay marriage legislation around the world.
In the landmark 2015 case Obergefell v. Hodges, the U.S. Supreme Court ruled that all state bans on same-sex marriage were unconstitutional.