| Code | Continent | Name | Population |
| CHL | South America | Chile | 15,211,000 |
| CHN | Asia | China | 1,277,558,000 |
| CIV | Africa | Côte d’Ivoire | 14,786,000 |
| CMR | Africa | Cameroon | 15,085,000 |
| COD | Africa | Congo, The Democratic Republic of the | 51,654,000 |
| COG | Africa | Congo | 2,943,000 |
| COK | Oceania | Cook Islands | 20,000 |
| COL | South America | Colombia | 42,321,000 |
| COM | Africa | Comoros | 578,000 |
| CPV | Africa | Cape Verde | 428,000 |
| CRI | North America | Costa Rica | 4,023,000 |
| CUB | North America | Cuba | 11,201,000 |
| CXR | Oceania | Christmas Island | 2,500 |
| CYM | North America | Cayman Islands | 38,000 |
| CYP | Asia | Cyprus | 754,700 |
| CZE | Europe | Czech Republic | 10,278,100 |
| DEU | Europe | Germany | 82,164,700 |
| DJI | Africa | Djibouti | 638,000 |
| DMA | North America | Dominica | 71,000 |
| DNK | Europe | Denmark | 5,330,000 |