A national of the third country is a person not being a citizen or a non-citizen of the Republic of Latvia or a national of other European Union Member States, European Economic Area Member States or the Swiss Federation.

In accordance with data provided by the Office of Citizenship and Migration Affairs, 73 965 third country nationals are registered in Latvia as at 1 January 2017.  26 262 of them have temporary residence permits, while 47 703 - permanent residence permits.