ISO 3166 Codes for the representation of names of countries

This list states the country names (official short names in English) in alphabetical order as given in ISO 3166-1 and the corresponding ISO 3166-1-alpha-2 code elements.
This list is updated whenever a change to the official code list in ISO 3166-1 is effected by the ISO 3166/MA.
It lists 243 official short names and code elements.
http://www.iso.org/iso/en/prods-services/iso3166ma/02iso-3166-code-lists/list-en1.html