Same-sex union legislation marriages performed in the Netherlands are recognized in Aruba, Curaçao and Sint Maarten. Whether same-sex couples should be allowed to marry has been and remains the topic of debate worldwide. Thirty-four countries and four jurisdictions worldwide have passed constitutional amendments that explicitly prohibit the legal recognition of same-sex marriage and sometimes other forms of legal unions as well. Seventeen countries and twenty-nine jurisdictions worldwide have authorized civil unions or unregistered cohabitation for same-sex couples as an alternative to marriage. The legal name of those unions as well as the number of rights that they provide can vary greatly. The first
Same-sex union legislation states and territories often may grant recognition to same-sex couples in their own jurisdictions, although unitary states with a level of devolution, such as Spain or the United Kingdom, also offer such legalities to local authorities. The first jurisdiction to enact unregistered cohabitation was British Columbia in Canada in July 1992. The first jurisdiction to legalize registered partnership was Greenland as part of the Kingdom of Denmark in April 1996. Finally, the first sub-national jurisdiction to legalize same-sex marriage was the Canadian province of Ontario in June 2003. As of December 2018, there are twenty-nine jurisdictions worldwide have legalized some