The World: Population - Age 0-4 (2023) - Top 100+
| Rank | Country | Population | Year | |
|---|---|---|---|---|
| 89. | Jordan | 859,948 | 2023 | |
| 72. | Kazakhstan | 1,518,960 | 2023 | |
| 23. | Kenya | 4,995,679 | 2023 | |
| 187. | Kiribati | 10,911 | 2023 | |
| 150. | Kosovo | 143,303 | 2023 | |
| 132. | Kuwait | 264,225 | 2023 | |
| 97. | Kyrgyzstan | 639,176 | 2023 | |
| 91. | Laos | 792,042 | 2023 | |
| 159. | Latvia | 85,039 | 2023 | |
| 126. | Lebanon | 277,453 | 2023 | |
| 140. | Lesotho | 203,416 | 2023 | |
| 96. | Liberia | 703,589 | 2023 | |
| 93. | Libya | 727,441 | 2023 | |
| 215. | Liechtenstein | 2,041 | 2023 | |
| 149. | Lithuania | 147,700 | 2023 | |
| 172. | Luxembourg | 34,304 | 2023 | |
| 176. | Macau | 24,614 | 2023 | |
| 153. | Macedonia | 114,607 | 2023 | |
| 26. | Madagascar | 4,618,641 | 2023 | |
| 39. | Malawi | 3,418,925 | 2023 | |
| 46. | Malaysia | 2,933,492 | 2023 | |
| 173. | Maldives | 30,330 | 2023 | |
| 42. | Mali | 3,249,325 | 2023 | |
| 183. | Malta | 20,139 | 2023 | |
| 192. | Marshall Islands | 8,434 | 2023 | |
| 99. | Mauritania | 550,113 | 2023 | |
| 158. | Mauritius | 85,966 | 2023 | |
| 178. | Mayotte | 23,275 | 2023 | |
| 12. | Mexico | 10,320,553 | 2023 | |
| 145. | Moldova | 172,867 | 2023 | |
| 223. | Monaco | 826 | 2023 | |
| 122. | Mongolia | 298,191 | 2023 | |
| 174. | Montenegro | 29,832 | 2023 | |
| 227. | Montserrat | 306 | 2023 | |
| 47. | Morocco | 2,871,785 | 2023 | |
| 22. | Mozambique | 5,006,135 | 2023 | |
| 24. | Myanmar | 4,893,944 | 2023 | |
| 142. | Namibia | 197,290 | 2023 | |
| 222. | Nauru | 989 | 2023 | |
| 41. | Nepal | 3,263,836 | 2023 | |
| 82. | Netherlands | 948,973 | 2023 | |
| 190. | Netherlands Antilles | 9,941 | 2023 | |
| 180. | New Caledonia | 20,903 | 2023 | |
| 123. | New Zealand | 298,045 | 2023 | |
| 102. | Nicaragua | 517,532 | 2023 | |
| 25. | Niger | 4,777,503 | 2023 | |
| 3. | Nigeria | 34,758,352 | 2023 | |
| 66. | North Korea | 1,810,263 | 2023 | |
| 209. | Northern Mariana Islands | 3,307 | 2023 | |
| 127. | Norway | 272,125 | 2023 | |
| 110. | Oman | 414,078 | 2023 | |
| 6. | Pakistan | 21,027,850 | 2023 | |
| 220. | Palau | 1,210 | 2023 | |
| 117. | Panama | 328,650 | 2023 | |
| 92. | Papua New Guinea | 788,634 | 2023 | |
| 98. | Paraguay | 585,817 | 2023 | |
| 51. | Peru | 2,653,801 | 2023 | |
| 10. | Philippines | 13,060,967 | 2023 | |
| 70. | Poland | 1,644,252 | 2023 | |
| 106. | Portugal | 476,902 | 2023 | |
| 139. | Puerto Rico | 206,469 | 2023 | |
| 152. | Qatar | 115,439 | 2023 | |
| 86. | Republic of Congo | 908,796 | 2023 | |
| 88. | Romania | 887,013 | 2023 | |
| 19. | Russia | 6,014,218 | 2023 | |
| 60. | Rwanda | 2,111,578 | 2023 | |
| 226. | Saint Barthélemy | 332 | 2023 | |
| 225. | Saint Helena | 364 | 2023 | |
| 208. | Saint Kitts and Nevis | 3,405 | 2023 | |
| 189. | Saint Lucia | 9,952 | 2023 | |
| 213. | Saint Martin | 2,582 | 2023 | |
| 228. | Saint Pierre and Miquelon | 185 | 2023 | |
| 198. | Saint Vincent and the Grenadines | 6,174 | 2023 | |
| 184. | Samoa | 19,287 | 2023 | |
| 217. | San Marino | 1,596 | 2023 | |
| 175. | Sao Tome and Principe | 28,252 | 2023 | |
| 50. | Saudi Arabia | 2,654,534 | 2023 | |
| 55. | Senegal | 2,367,562 | 2023 | |
| 120. | Serbia | 304,663 | 2023 | |
| 199. | Seychelles | 5,849 | 2023 | |
| 78. | Sierra Leone | 1,093,411 | 2023 | |
| 124. | Singapore | 294,814 | 2023 | |
| 212. | Sint Maarten | 2,815 | 2023 | |
| 135. | Slovakia | 248,583 | 2023 | |
| 162. | Slovenia | 74,668 | 2023 | |
| 161. | Solomon Islands | 78,038 | 2023 | |
| 61. | Somalia | 2,027,233 | 2023 | |
| 28. | South Africa | 4,191,446 | 2023 | |
| 62. | South Korea | 2,001,197 | 2023 | |
| 58. | Spain | 2,217,262 | 2023 | |
| 71. | Sri Lanka | 1,604,934 | 2023 | |
| 15. | Sudan | 8,396,622 | 2023 | |
| 169. | Suriname | 44,488 | 2023 | |
| 146. | Swaziland | 164,933 | 2023 | |
| 104. | Sweden | 499,843 | 2023 | |
| 114. | Switzerland | 365,889 | 2023 | |
| 53. | Syria | 2,407,109 | 2023 | |
| 83. | Taiwan | 948,918 | 2023 | |
| 85. | Tajikistan | 926,850 | 2023 | |
| 20. | Tanzania | 5,954,942 | 2023 |
