The World: Population - Age 0-4 (2019) - Top 100+
| Rank | Country | Population | Year | |
|---|---|---|---|---|
| 90. | Jordan | 842,903 | 2019 | |
| 72. | Kazakhstan | 1,656,788 | 2019 | |
| 22. | Kenya | 5,531,359 | 2019 | |
| 188. | Kiribati | 10,786 | 2019 | |
| 149. | Kosovo | 150,643 | 2019 | |
| 130. | Kuwait | 268,466 | 2019 | |
| 97. | Kyrgyzstan | 655,522 | 2019 | |
| 91. | Laos | 790,310 | 2019 | |
| 155. | Latvia | 97,629 | 2019 | |
| 123. | Lebanon | 290,664 | 2019 | |
| 139. | Lesotho | 215,630 | 2019 | |
| 96. | Liberia | 675,738 | 2019 | |
| 94. | Libya | 749,747 | 2019 | |
| 216. | Liechtenstein | 1,992 | 2019 | |
| 148. | Lithuania | 158,703 | 2019 | |
| 172. | Luxembourg | 32,559 | 2019 | |
| 176. | Macau | 26,534 | 2019 | |
| 151. | Macedonia | 118,645 | 2019 | |
| 26. | Madagascar | 4,308,283 | 2019 | |
| 39. | Malawi | 3,216,740 | 2019 | |
| 46. | Malaysia | 2,942,199 | 2019 | |
| 174. | Maldives | 30,561 | 2019 | |
| 45. | Mali | 3,065,714 | 2019 | |
| 181. | Malta | 20,899 | 2019 | |
| 192. | Marshall Islands | 8,671 | 2019 | |
| 100. | Mauritania | 534,425 | 2019 | |
| 158. | Mauritius | 87,371 | 2019 | |
| 177. | Mayotte | 25,344 | 2019 | |
| 12. | Mexico | 10,436,444 | 2019 | |
| 143. | Moldova | 198,567 | 2019 | |
| 223. | Monaco | 908 | 2019 | |
| 120. | Mongolia | 310,680 | 2019 | |
| 173. | Montenegro | 32,016 | 2019 | |
| 227. | Montserrat | 285 | 2019 | |
| 47. | Morocco | 2,923,270 | 2019 | |
| 25. | Mozambique | 4,631,992 | 2019 | |
| 23. | Myanmar | 4,930,747 | 2019 | |
| 142. | Namibia | 204,730 | 2019 | |
| 221. | Nauru | 1,072 | 2019 | |
| 40. | Nepal | 3,174,404 | 2019 | |
| 86. | Netherlands | 926,903 | 2019 | |
| 190. | Netherlands Antilles | 10,044 | 2019 | |
| 183. | New Caledonia | 20,771 | 2019 | |
| 121. | New Zealand | 296,441 | 2019 | |
| 102. | Nicaragua | 520,039 | 2019 | |
| 28. | Niger | 4,251,818 | 2019 | |
| 3. | Nigeria | 32,418,974 | 2019 | |
| 68. | North Korea | 1,788,676 | 2019 | |
| 206. | Northern Mariana Islands | 3,815 | 2019 | |
| 133. | Norway | 263,697 | 2019 | |
| 112. | Oman | 403,773 | 2019 | |
| 5. | Pakistan | 21,096,708 | 2019 | |
| 220. | Palau | 1,181 | 2019 | |
| 117. | Panama | 330,851 | 2019 | |
| 92. | Papua New Guinea | 782,590 | 2019 | |
| 98. | Paraguay | 559,308 | 2019 | |
| 50. | Peru | 2,702,763 | 2019 | |
| 10. | Philippines | 12,898,052 | 2019 | |
| 69. | Poland | 1,787,034 | 2019 | |
| 104. | Portugal | 495,040 | 2019 | |
| 140. | Puerto Rico | 213,931 | 2019 | |
| 153. | Qatar | 112,015 | 2019 | |
| 88. | Republic of Congo | 864,482 | 2019 | |
| 83. | Romania | 953,422 | 2019 | |
| 18. | Russia | 6,727,043 | 2019 | |
| 60. | Rwanda | 2,027,837 | 2019 | |
| 226. | Saint Barthélemy | 340 | 2019 | |
| 225. | Saint Helena | 371 | 2019 | |
| 209. | Saint Kitts and Nevis | 3,500 | 2019 | |
| 189. | Saint Lucia | 10,605 | 2019 | |
| 213. | Saint Martin | 2,662 | 2019 | |
| 228. | Saint Pierre and Miquelon | 208 | 2019 | |
| 197. | Saint Vincent and the Grenadines | 6,568 | 2019 | |
| 184. | Samoa | 19,666 | 2019 | |
| 217. | San Marino | 1,536 | 2019 | |
| 175. | Sao Tome and Principe | 29,359 | 2019 | |
| 52. | Saudi Arabia | 2,592,996 | 2019 | |
| 56. | Senegal | 2,283,160 | 2019 | |
| 119. | Serbia | 318,345 | 2019 | |
| 198. | Seychelles | 6,182 | 2019 | |
| 79. | Sierra Leone | 1,015,578 | 2019 | |
| 132. | Singapore | 263,736 | 2019 | |
| 212. | Sint Maarten | 2,714 | 2019 | |
| 131. | Slovakia | 266,771 | 2019 | |
| 161. | Slovenia | 80,826 | 2019 | |
| 162. | Solomon Islands | 77,422 | 2019 | |
| 64. | Somalia | 1,885,132 | 2019 | |
| 27. | South Africa | 4,284,484 | 2019 | |
| 61. | South Korea | 2,000,370 | 2019 | |
| 55. | Spain | 2,312,495 | 2019 | |
| 71. | Sri Lanka | 1,690,765 | 2019 | |
| 15. | Sudan | 8,080,077 | 2019 | |
| 169. | Suriname | 45,697 | 2019 | |
| 147. | Swaziland | 166,998 | 2019 | |
| 105. | Sweden | 490,339 | 2019 | |
| 114. | Switzerland | 366,388 | 2019 | |
| 53. | Syria | 2,453,555 | 2019 | |
| 81. | Taiwan | 980,521 | 2019 | |
| 84. | Tajikistan | 950,152 | 2019 | |
| 20. | Tanzania | 6,151,944 | 2019 |
