The World: Population - Age 0-4 (2020) - Top 100+
| Rank | Country | Population | Year | |
|---|---|---|---|---|
| 90. | Jordan | 847,835 | 2020 | |
| 72. | Kazakhstan | 1,625,476 | 2020 | |
| 22. | Kenya | 5,357,004 | 2020 | |
| 188. | Kiribati | 10,814 | 2020 | |
| 150. | Kosovo | 148,796 | 2020 | |
| 131. | Kuwait | 267,005 | 2020 | |
| 97. | Kyrgyzstan | 653,228 | 2020 | |
| 91. | Laos | 790,859 | 2020 | |
| 156. | Latvia | 94,487 | 2020 | |
| 124. | Lebanon | 287,964 | 2020 | |
| 139. | Lesotho | 212,838 | 2020 | |
| 96. | Liberia | 682,455 | 2020 | |
| 94. | Libya | 743,690 | 2020 | |
| 216. | Liechtenstein | 2,006 | 2020 | |
| 148. | Lithuania | 156,527 | 2020 | |
| 172. | Luxembourg | 33,009 | 2020 | |
| 176. | Macau | 26,182 | 2020 | |
| 151. | Macedonia | 117,781 | 2020 | |
| 26. | Madagascar | 4,386,446 | 2020 | |
| 39. | Malawi | 3,270,415 | 2020 | |
| 46. | Malaysia | 2,938,839 | 2020 | |
| 174. | Maldives | 30,703 | 2020 | |
| 44. | Mali | 3,116,270 | 2020 | |
| 183. | Malta | 20,761 | 2020 | |
| 192. | Marshall Islands | 8,600 | 2020 | |
| 99. | Mauritania | 538,645 | 2020 | |
| 158. | Mauritius | 86,961 | 2020 | |
| 178. | Mayotte | 24,578 | 2020 | |
| 12. | Mexico | 10,410,948 | 2020 | |
| 145. | Moldova | 192,206 | 2020 | |
| 223. | Monaco | 887 | 2020 | |
| 120. | Mongolia | 308,343 | 2020 | |
| 173. | Montenegro | 31,469 | 2020 | |
| 227. | Montserrat | 290 | 2020 | |
| 47. | Morocco | 2,911,773 | 2020 | |
| 25. | Mozambique | 4,725,784 | 2020 | |
| 23. | Myanmar | 4,925,631 | 2020 | |
| 142. | Namibia | 202,804 | 2020 | |
| 221. | Nauru | 1,049 | 2020 | |
| 40. | Nepal | 3,198,784 | 2020 | |
| 86. | Netherlands | 932,505 | 2020 | |
| 190. | Netherlands Antilles | 10,047 | 2020 | |
| 181. | New Caledonia | 20,805 | 2020 | |
| 122. | New Zealand | 297,035 | 2020 | |
| 102. | Nicaragua | 519,489 | 2020 | |
| 27. | Niger | 4,381,067 | 2020 | |
| 3. | Nigeria | 32,986,308 | 2020 | |
| 68. | North Korea | 1,799,113 | 2020 | |
| 207. | Northern Mariana Islands | 3,687 | 2020 | |
| 132. | Norway | 266,033 | 2020 | |
| 111. | Oman | 407,986 | 2020 | |
| 5. | Pakistan | 21,070,694 | 2020 | |
| 220. | Palau | 1,190 | 2020 | |
| 117. | Panama | 330,452 | 2020 | |
| 92. | Papua New Guinea | 783,951 | 2020 | |
| 98. | Paraguay | 566,849 | 2020 | |
| 50. | Peru | 2,691,803 | 2020 | |
| 10. | Philippines | 12,941,147 | 2020 | |
| 69. | Poland | 1,753,632 | 2020 | |
| 106. | Portugal | 489,390 | 2020 | |
| 140. | Puerto Rico | 212,276 | 2020 | |
| 153. | Qatar | 113,194 | 2020 | |
| 87. | Republic of Congo | 876,975 | 2020 | |
| 85. | Romania | 936,303 | 2020 | |
| 19. | Russia | 6,544,341 | 2020 | |
| 60. | Rwanda | 2,046,759 | 2020 | |
| 226. | Saint Barthélemy | 338 | 2020 | |
| 225. | Saint Helena | 367 | 2020 | |
| 209. | Saint Kitts and Nevis | 3,480 | 2020 | |
| 189. | Saint Lucia | 10,455 | 2020 | |
| 213. | Saint Martin | 2,638 | 2020 | |
| 228. | Saint Pierre and Miquelon | 201 | 2020 | |
| 197. | Saint Vincent and the Grenadines | 6,464 | 2020 | |
| 184. | Samoa | 19,550 | 2020 | |
| 217. | San Marino | 1,545 | 2020 | |
| 175. | Sao Tome and Principe | 29,074 | 2020 | |
| 52. | Saudi Arabia | 2,610,407 | 2020 | |
| 55. | Senegal | 2,304,875 | 2020 | |
| 119. | Serbia | 314,810 | 2020 | |
| 199. | Seychelles | 6,103 | 2020 | |
| 79. | Sierra Leone | 1,033,694 | 2020 | |
| 128. | Singapore | 272,104 | 2020 | |
| 212. | Sint Maarten | 2,750 | 2020 | |
| 133. | Slovakia | 262,326 | 2020 | |
| 161. | Slovenia | 79,254 | 2020 | |
| 162. | Solomon Islands | 77,570 | 2020 | |
| 62. | Somalia | 1,915,790 | 2020 | |
| 28. | South Africa | 4,262,619 | 2020 | |
| 61. | South Korea | 1,999,847 | 2020 | |
| 56. | Spain | 2,282,517 | 2020 | |
| 71. | Sri Lanka | 1,666,985 | 2020 | |
| 15. | Sudan | 8,174,724 | 2020 | |
| 169. | Suriname | 45,374 | 2020 | |
| 147. | Swaziland | 166,492 | 2020 | |
| 104. | Sweden | 494,577 | 2020 | |
| 114. | Switzerland | 366,622 | 2020 | |
| 53. | Syria | 2,441,951 | 2020 | |
| 81. | Taiwan | 972,195 | 2020 | |
| 83. | Tajikistan | 945,359 | 2020 | |
| 20. | Tanzania | 6,101,818 | 2020 |
