Africa:
1. Congo River
2. Niger River
3. Nile River
4. Zambezi River
Asia:
5. Amur River
6. Brahmaputra River
7. Ganges River
8. Indus River
9. Irrawaddy River
10. Mekong River
11. Salween River
12. Yangtze River
13. Yellow River
Europe:
14. Danube River
15. Rhine River
16. Volga River
North America:
17. Colorado River
18. Columbia River
19. Mississippi River
20. Rio Grande River
South America:
21. Amazon River
22. Orinoco River
23. Paraná River
24. São Francisco River
25. Uruguay River
It's important to note that this list is based on specific criteria set by the WRI and may not include other significant rivers that meet different definitions or criteria. Additionally, some of these rivers may cross multiple continents or countries.
