Here are the 27 countries where same-sex marriage is officially legal WATCH Here are some of the other countries where same-sex marriage is same-sex marriage. Twenty-seven out of 195 countries have passed laws allowing gay marriage, according to the Pew Research Center. Below is a timeline for the 27 countries where same-sex marriage is marriage. The following year, four couples married in the world’s first The nation's traditional definition of civil marriage was changed to One year after legalizing same-sex marriage, the country’s Lutheran church board initiated a petition to permit same-sex marriages. [Pew marriage. [Pew Research Center] Six years after Portugal's parliament legalized same-sex marriage, the country granted gay couples the right to adopt. [Reuters] Iceland legalized same-sex marriage in a unanimous vote. [Pew Research Prior to legalizing same-sex marriage, Denmark was the first country to same-sex marriage in 2013. [National LGBT Chamber of Commerce] Over 3,700 marriages took place in 2013 after same-sex marriage was The measure to legalize same-sex marriage in New Zealand won approval The new law was the first major reform of the country’s marriage laws legalize same-sex marriage, the Scottish Episcopal Church became the UK's first major Christian church to perform same-sex marriages. [BBC] marriage. Ireland was the first country to legalize same-sex marriage through a The bill to call for the legislation of same-sex marriage started out The country's legislators passed a bill to legalize same-sex marriage PHOTO: USA same-sex marriage gfx ABC News USA same-sex marriage gfx Parliament’s vote to legalize same-sex marriage was nearly unanimous, All of the countries where same-sex marriage is legal Pence defends wife's teaching job at school that bars gays