| Code | Name | Continent | Region | Population |
| GIN | Guinea | Africa | Western Africa | 7,430,000 |
| GLP | Guadeloupe | North America | Caribbean | 456,000 |
| GMB | Gambia | Africa | Western Africa | 1,305,000 |
| GNB | Guinea-Bissau | Africa | Western Africa | 1,213,000 |
| GNQ | Equatorial Guinea | Africa | Central Africa | 453,000 |
| GRC | Greece | Europe | Southern Europe | 10,545,700 |
| GRD | Grenada | North America | Caribbean | 94,000 |
| GRL | Greenland | North America | North America | 56,000 |
| GTM | Guatemala | North America | Central America | 11,385,000 |
| GUF | French Guiana | South America | South America | 181,000 |
| GUM | Guam | Oceania | Micronesia | 168,000 |
| GUY | Guyana | South America | South America | 861,000 |
| HKG | Hong Kong | Asia | Eastern Asia | 6,782,000 |
| HMD | Heard Island and McDonald Islands | Antarctica | Antarctica | 0 |
| HND | Honduras | North America | Central America | 6,485,000 |
| HRV | Croatia | Europe | Southern Europe | 4,473,000 |
| HTI | Haiti | North America | Caribbean | 8,222,000 |
| HUN | Hungary | Europe | Eastern Europe | 10,043,200 |
| IDN | Indonesia | Asia | Southeast Asia | 212,107,000 |
| IND | India | Asia | Southern and Central Asia | 1,013,662,000 |