| Code | Name | Continent | Region | Population |
| ABW | Aruba | North America | Caribbean | 103,000 |
| AFG | Afghanistan | Asia | Southern and Central Asia | 22,720,000 |
| AGO | Angola | Africa | Central Africa | 12,878,000 |
| AIA | Anguilla | North America | Caribbean | 8,000 |
| ALB | Albania | Europe | Southern Europe | 3,401,200 |
| AND | Andorra | Europe | Southern Europe | 78,000 |
| ANT | Netherlands Antilles | North America | Caribbean | 217,000 |
| ARE | United Arab Emirates | Asia | Middle East | 2,441,000 |
| ARG | Argentina | South America | South America | 37,032,000 |
| ARM | Armenia | Asia | Middle East | 3,520,000 |
| ASM | American Samoa | Oceania | Polynesia | 68,000 |
| ATA | Antarctica | Antarctica | Antarctica | 0 |
| ATF | French Southern territories | Antarctica | Antarctica | 0 |
| ATG | Antigua and Barbuda | North America | Caribbean | 68,000 |
| AUS | Australia | Oceania | Australia and New Zealand | 18,886,000 |
| AUT | Austria | Europe | Western Europe | 8,091,800 |
| AZE | Azerbaijan | Asia | Middle East | 7,734,000 |
| BDI | Burundi | Africa | Eastern Africa | 6,695,000 |
| BEL | Belgium | Europe | Western Europe | 10,239,000 |
| BEN | Benin | Africa | Western Africa | 6,097,000 |