Waterways
Straits and Channels
| Number of | |||
| Waterway | Ports | Waterway Systems | |
| Africa | |||
| Mozambique Channel | 14 | 0 | |
| Asia | |||
| Bosphorus Strait | 2 | 1 | |
| Dardanelles Strait | 2 | 1 | |
| Strait of Malacca | 26 | 0 | |
| Australia | |||
| Bass Strait | 17 | 0 | |
| Europe | |||
| English Channel | 82 | 0 | |
| North America | |||
| Carquinez Strait | 4 | 1 | |
| Davis Strait | 16 | 0 | |
| Denmark Strait | 10 | 0 | |
| Discovery Passage | 4 | 1 | |
| Haro Strait | 1 | 1 | |
| Johnstone Strait | 3 | 1 | |
| Strait of Georgia | 27 | 1 | |
| Strait of Juan de Fuca | 6 | 1 | |
| South America | |||
| Strait of Magellan | 8 | 0 | |
