The word "stateless" means not having a country or nation that you belong to or are a citizen of. It refers to individuals or groups of people who do not have a nationality. Full definition
The move, which would only apply to people born outside the UK, may contradict the UK's responsibilities under the 1954 United Nations convention relating to the status of stateless persons. (politics.co.uk)
I've read reports of hundreds of stateless people shipped in, trucked across highways, and sold to the highest bidder as property. (relevantmagazine.com)
An anarchist advocates stateless societies based on voluntary associations. (canadianlawyermag.com)