This article summarizes the same-sex marriage laws of states in the united states. In the united states, the availability of legally-recognized same-sex marriage expanded from one state in 2004 to all fifty states in 2015 through various state and federal court rulings, state legislation, and direct popular votes. The fifty states each have separate marriage laws, which must adhere to rulings by the supreme court of the united states that recognize marriage as a fundamental. Supreme court ruled that the constitution allows for same-sex marriage, effectively overturning remaining restrictions in place in states. wisconsin was another of the five states that saw gay marriage legalized as a result of the us supreme courts october 9 decision. The state had banned same-sex marriage since 2004, when the voters approved wisconsins referendum 1, which prohibited both gay marriage and civil unions in the badger state. Same-sex marriage in the united states has had a turbulent legal history, with rulings on the constitutionality of gay unions appearing at the state level as far back as 1973. Supreme court legalized gay marriage in all 50 states, but the road to that decision was a rocky one. The supreme court on friday legalized same-sex marriage in the united states. In the 5-4 landmark decision, the majority of justices ruled that states must license same-sex marriages and also. while 37 states had already fully legalized same-sex marriage, the obergefell v. Hodges decision means the remaining 13 states will have to hand out marriage licenses to lgbt couples. same-sex marriages, also known as gay marriages, have historically been a matter of state laws. Thus, states had the option to recognize whether or not they would recognize a legal marriage or other potential relationship and benefits for same-sex couples. On june 26, 2015, the united states supreme court ruled that same-sex couples had the right to exercise the fundamental right. States and the district of columbia have legalized gay marriage. Alabama, missouri, and alabama have done so with restrictions. States have a ban on same-sex marriage however, eight of these states have court rulings in favor of allowing same-sex marriage. States where gay marriage bans had been overturned, but where appeals were in progress prior to the june 26, 2015 supreme court ruling. Arkansas on may 9, 2014, arkansas gay marriage ban was ruled unconstitutional by pulaski county circuit judge chris piazza. Arkansas had previously banned gay marriage by both state law and voter-approved constitutional amendment.