World Cities (0)
| 5,000,000 and greater |
| 1,000,000 to 5,000,000 |
| 500,000 to 1,000,000 |
| 250,000 to 500,000 |
| 100,000 to 250,000 |
| 50,000 to 100,000 |
| Less than 50,000 |
World Time Zones (1)
| Hours from Greenwich |
World Regions (2)
| Western Asia |
| Central Asia |
| Asiatic Russia |
| Eastern Asia |
| Southern Asia |
| Southeastern Asia |
| Northern Africa |
| Western Africa |
| Eastern Africa |
| Middle Africa |
| Southern Africa |
| Northern Europe |
| Western Europe |
| Southern Europe |
| Eastern Europe |
| European Russia |
| Northern America |
| Central America |
| Caribbean |
| South America |
| Australia/New Zealand |
| Melanesia |
| Micronesia |
| Polynesia |
| Antarctica |
|