Permanent residency refers to a person's status such that the person is allowed to reside indefinitely within the country despite not having citizenship. A person with such status is known as a permanent resident.
Example Usage of Permanent
jnicolas: Twitter isn't even a social network. "Twitter never asked anyone to have a Permanent relationship among each other. " - Biz Stone @leftboy
Sevilla90: @impeachmybush Awww shit sorry BB. I know how u feel...my little niece breaks things 2. Wrote in Permanent marker on my coffee table.
refiloer: @hoodhighfashion Solly but you already have a Permanent residency on any guestlist of mine. I've told you this before...