Unregistered cohabitation is a legal status (sometimes de facto) given to same-sex or opposite-sex couples in certain jurisdictions. They may be similar to common-law marriages.
More specifically, unregistered cohabitation may refer to:
Unregistered cohabitation in Australia and De facto relationships in Australia Domestic relationships and domestic partnerships in the Australian Capital Territory Domestic relationships in New South Wales De facto unions in the Northern Territory De facto unions in Norfolk Island De facto relationships in Queensland Close personal relationships in South Australia Personal relationships in Tasmania Domestic relationships in Victoria De facto unions in the Western Australia Various de facto relationships in Canada Adult interdependent relationship in Alberta Common-law relationships in Manitoba Domestic partnership in Nova Scotia Civil unions and de facto relationships in Quebec De facto unions in Colombia Unregistered cohabitation in Croatia Unregistered cohabitation in Israel Samenlevingscontract in the Netherlands De facto relationships in New Zealand Unregistered cohabitation in San MarinoSome other countries and sub-national regions recognize unregistered cohabitation, as listed in the Civil union article.