This is the online version of the United Nations publication "Standard Country or Area Codes for Statistical Use" originally published as Series M, No. 49 and now commonly referred to as the M49 standard. The print version of the standard was issued last in 1999 and previously in 1996 , 1982 , 1975 and 1970. M49 is prepared by the Statistics Division of the United Nations Secretariat primarily for use in its publications and databases. The assignment of countries or areas to specific groupings is for statistical convenience and does not imply any assumption regarding political or other affiliation of countries or territories by the United Nations.

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