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Standards: Country codes (ISO 3166)

A Standard Coding Scheme for the Countries of the World

General principles:

• ISO (the International Standards Organization) has assigned 2-letter, 3-letter, and numeric codes to all countries of the world. These codes are periodically updated as political changes dictate.

BG-BASE adopts the 2-letter coding scheme. These 2-letter codes are used throughout BG-BASE to standardize the collection and maintenance of geopolitical information; they form the basis of BG-BASE's COUNTRIES table..