Citizenship means the particular legal bond between an individual and his or her state, acquired by birth or naturalisation, whether by declaration, choice, marriage or other means according to national legislation.

Depending on the legislation in different countries can be regarded as double or multiple citizenship; it is also possible situation when a person has no citizenship (stateless).

• Regulation (EC) No 862/2007 of the European Parliament and of the Council of 11 July 2007 on Community statistics on migration and international protection and repealing Council Regulation (EEC) No 311/76 on the compilation of statistics on foreign workers
  Place of publication: (Dz. Urz. UE L 199 z 31.07.2007, str. 23, z późn. zm.)

• Population

• Foreigners