Same-sex marriage is legal in 4 states.
== Same-sex marriage around the world ==Same-sex marriage is legally performed and recognized in the following countries: Andorra, Argentina, Australia, Austria, Belgium, Brazil, Canada, Chile, Colombia, Costa Rica, Cuba, Denmark, Ecuador, Finland, France, Germany, Iceland, Ireland, Luxembourg, Malta, Mexico, the Netherlands, New Zealand, Norway, Portugal, Slovenia, South Africa, Spain, Sweden, Switzerland, Taiwan, the United Kingdom,  the United States, and Uruguay
Same-sex marriage, also known as gay marriage, is the marriage of two people of the same sex or gender

