Argentina (2010): Argentina became the first country in Latin America to legalize same-sex marriage in 2010, ensuring full marital rights for gay and lesbian couples.
Uruguay (2013): Uruguay legalized same-sex marriage in 2013, allowing joint adoption by same-sex couples.
Brazil (2013): Brazil legalized same-sex marriage in 2013, recognizing the rights of gay and lesbian couples to marry.
Colombia (2016): Colombia followed suit in 2016, legalizing same-sex marriage through a ruling by the Constitutional Court.
Chile (2015): Chile legalized same-sex marriage in 2015, extending equal rights and benefits to same-sex couples.
Costa Rica (2020): Costa Rica legalized same-sex marriage in 2020 following a ruling by the Constitutional Court, becoming the first Central American country to do so.
Ecuador (2019): Achieved same-sex marriage legality through a Constitutional Court ruling on 12 June 2019, deeming the ban unconstitutional under Ecuador Constitution.