| 1 | 🇺🇬Uganda | 27.33M | Sub-Saharan Africa | Low income |
| 2 | 🇹🇩Chad | 24.26M | Sub-Saharan Africa | Low income |
| 3 | 🇮🇶Iraq | 23.87M | Middle East, North Africa, Afghanistan & Pakistan | Upper middle income |
| 4 | 🇯🇴Jordan | 23.74M | Middle East, North Africa, Afghanistan & Pakistan | Upper middle income |
| 5 | 🇪🇹Ethiopia | 19.12M | Sub-Saharan Africa | Low income |
| 6 | 🇾🇪Yemen, Rep. | 18.42M | Middle East, North Africa, Afghanistan & Pakistan | Low income |
| 7 | 🇰🇪Kenya | 15.85M | Sub-Saharan Africa | Lower middle income |
| 8 | 🇸🇩Sudan | 15.5M | Sub-Saharan Africa | Low income |
| 9 | 🇳🇪Niger | 11.64M | Sub-Saharan Africa | Low income |
| 10 | 🇳🇬Nigeria | 11.24M | Sub-Saharan Africa | Lower middle income |
| 11 | 🇹🇿Tanzania | 10.33M | Sub-Saharan Africa | Lower middle income |
| 12 | 🇨🇴Colombia | 9.69M | Latin America & Caribbean | Upper middle income |
| 13 | 🇲🇷Mauritania | 8.29M | Sub-Saharan Africa | Lower middle income |
| 14 | 🇮🇷Iran, Islamic Rep. | 6.3M | Middle East, North Africa, Afghanistan & Pakistan | Upper middle income |
| 15 | 🇦🇫Afghanistan | 6.04M | Middle East, North Africa, Afghanistan & Pakistan | Low income |
| 16 | 🇸🇻El Salvador | 5.6M | Latin America & Caribbean | Upper middle income |
| 17 | 🇸🇸South Sudan | 5.51M | Sub-Saharan Africa | Low income |
| 18 | 🇲🇽Mexico | 4.93M | Latin America & Caribbean | Upper middle income |
| 19 | 🇱🇧Lebanon | 4.9M | Middle East, North Africa, Afghanistan & Pakistan | Lower middle income |
| 20 | 🇮🇳India | 4.72M | South Asia | Lower middle income |
| 21 | 🇩🇯Djibouti | 4.63M | Middle East, North Africa, Afghanistan & Pakistan | Lower middle income |
| 22 | 🇨🇮Cote d'Ivoire | 4.5M | Sub-Saharan Africa | Lower middle income |
| 23 | 🇨🇩Congo, Dem. Rep. | 4.48M | Sub-Saharan Africa | Low income |
| 24 | 🇭🇳Honduras | 4.4M | Latin America & Caribbean | Lower middle income |
| 25 | 🇲🇾Malaysia | 4.13M | East Asia & Pacific | Upper middle income |
| 26 | 🇨🇳China | 4.04M | East Asia & Pacific | Upper middle income |
| 27 | 🇱🇷Liberia | 4M | Sub-Saharan Africa | Low income |
| 28 | 🇬🇭Ghana | 3.99M | Sub-Saharan Africa | Lower middle income |
| 29 | 🇷🇼Rwanda | 3.98M | Sub-Saharan Africa | Low income |
| 30 | 🇲🇦Morocco | 2.75M | Middle East, North Africa, Afghanistan & Pakistan | Lower middle income |
| 31 | 🇧🇩Bangladesh | 2.7M | South Asia | Lower middle income |
| 32 | 🇲🇿Mozambique | 2.7M | Sub-Saharan Africa | Low income |
| 33 | 🇮🇩Indonesia | 2.57M | East Asia & Pacific | Upper middle income |
| 34 | 🇩🇿Algeria | 2.52M | Middle East, North Africa, Afghanistan & Pakistan | Upper middle income |
| 35 | 🇨🇫Central African Republic | 2.09M | Sub-Saharan Africa | Low income |
| 36 | 🇲🇼Malawi | 2.07M | Sub-Saharan Africa | Low income |
| 37 | 🇧🇷Brazil | 2.05M | Latin America & Caribbean | Upper middle income |
| 38 | 🇳🇵Nepal | 2.02M | South Asia | Lower middle income |
| 39 | 🇧🇮Burundi | 1.85M | Sub-Saharan Africa | Low income |
| 40 | 🇧🇦Bosnia and Herzegovina | 1.78M | Europe & Central Asia | Upper middle income |
| 41 | 🇦🇴Angola | 1.74M | Sub-Saharan Africa | Lower middle income |
| 42 | 🇿🇼Zimbabwe | 1.57M | Sub-Saharan Africa | Lower middle income |
| 43 | 🇲🇱Mali | 1.55M | Sub-Saharan Africa | Low income |
| 44 | 🇿🇲Zambia | 1.5M | Sub-Saharan Africa | Lower middle income |
| 45 | 🇷🇸Serbia | 1.49M | Europe & Central Asia | Upper middle income |
| 46 | 🇨🇬Congo, Rep. | 1.44M | Sub-Saharan Africa | Lower middle income |
| 47 | 🇱🇰Sri Lanka | 1.23M | South Asia | Upper middle income |
| 48 | 🇲🇰North Macedonia | 895,000 | Europe & Central Asia | Upper middle income |
| 49 | 🇪🇷Eritrea | 789,000 | Sub-Saharan Africa | Low income |
| 50 | 🇲🇪Montenegro | 497,600 | Europe & Central Asia | Upper middle income |
| 51 | 🇹🇯Tajikistan | 471,000 | Europe & Central Asia | Lower middle income |
| 52 | 🇻🇪Venezuela, RB | 447,700 | Latin America & Caribbean | Lower middle income |
| 53 | 🇦🇱Albania | 372,500 | Europe & Central Asia | Upper middle income |
| 54 | 🇵🇪Peru | 296,100 | Latin America & Caribbean | Upper middle income |
| 55 | 🇹🇳Tunisia | 212,500 | Middle East, North Africa, Afghanistan & Pakistan | Lower middle income |
| 56 | 🇵🇭Philippines | 210,000 | East Asia & Pacific | Upper middle income |
| 57 | 🇬🇹Guatemala | 128,900 | Latin America & Caribbean | Upper middle income |
| 58 | 🇨🇷Costa Rica | 61,400 | Latin America & Caribbean | High income |