The World: Population - Age 0-4 (2019) - Top 100+
| Rank | Country | Population | Year | |
|---|---|---|---|---|
| 177. | Mayotte | 25,344 | 2019 | |
| 158. | Mauritius | 87,371 | 2019 | |
| 100. | Mauritania | 534,425 | 2019 | |
| 192. | Marshall Islands | 8,671 | 2019 | |
| 181. | Malta | 20,899 | 2019 | |
| 45. | Mali | 3,065,714 | 2019 | |
| 174. | Maldives | 30,561 | 2019 | |
| 46. | Malaysia | 2,942,199 | 2019 | |
| 39. | Malawi | 3,216,740 | 2019 | |
| 26. | Madagascar | 4,308,283 | 2019 | |
| 151. | Macedonia | 118,645 | 2019 | |
| 176. | Macau | 26,534 | 2019 | |
| 172. | Luxembourg | 32,559 | 2019 | |
| 148. | Lithuania | 158,703 | 2019 | |
| 216. | Liechtenstein | 1,992 | 2019 | |
| 94. | Libya | 749,747 | 2019 | |
| 96. | Liberia | 675,738 | 2019 | |
| 139. | Lesotho | 215,630 | 2019 | |
| 123. | Lebanon | 290,664 | 2019 | |
| 155. | Latvia | 97,629 | 2019 | |
| 91. | Laos | 790,310 | 2019 | |
| 97. | Kyrgyzstan | 655,522 | 2019 | |
| 130. | Kuwait | 268,466 | 2019 | |
| 149. | Kosovo | 150,643 | 2019 | |
| 188. | Kiribati | 10,786 | 2019 | |
| 22. | Kenya | 5,531,359 | 2019 | |
| 72. | Kazakhstan | 1,656,788 | 2019 | |
| 90. | Jordan | 842,903 | 2019 | |
| 24. | Japan | 4,879,999 | 2019 | |
| 134. | Jamaica | 261,368 | 2019 | |
| 51. | Italy | 2,679,629 | 2019 | |
| 95. | Israel | 721,665 | 2019 | |
| 202. | Isle of Man | 4,875 | 2019 | |
| 116. | Ireland | 357,063 | 2019 | |
| 29. | Iraq | 4,195,526 | 2019 | |
| 17. | Iran | 6,980,945 | 2019 | |
| 6. | Indonesia | 20,744,556 | 2019 | |
| 1. | India | 116,492,784 | 2019 | |
| 182. | Iceland | 20,788 | 2019 | |
| 109. | Hungary | 446,547 | 2019 | |
| 127. | Hong Kong | 280,286 | 2019 | |
| 80. | Honduras | 989,403 | 2019 | |
| 78. | Haiti | 1,064,397 | 2019 | |
| 167. | Guyana | 55,672 | 2019 | |
| 135. | Guinea-Bissau | 260,139 | 2019 | |
| 59. | Guinea | 2,031,327 | 2019 | |
| 211. | Guernsey | 3,206 | 2019 | |
| 66. | Guatemala | 1,814,083 | 2019 | |
| 186. | Guam | 16,220 | 2019 | |
| 193. | Grenada | 8,590 | 2019 | |
| 203. | Greenland | 4,058 | 2019 | |
| 108. | Greece | 455,510 | 2019 | |
| 215. | Gibraltar | 2,035 | 2019 | |
| 41. | Ghana | 3,154,436 | 2019 | |
| 38. | Germany | 3,452,630 | 2019 | |
| 137. | Georgia | 227,710 | 2019 | |
| 126. | Gaza Strip | 280,947 | 2019 | |
| 124. | Gabon | 283,715 | 2019 | |
| 180. | French Polynesia | 21,085 | 2019 | |
| 32. | France | 3,886,840 | 2019 | |
| 128. | Finland | 271,821 | 2019 | |
| 160. | Fiji | 83,470 | 2019 | |
| 191. | Federated States of Micronesia | 9,772 | 2019 | |
| 208. | Faroe Islands | 3,560 | 2019 | |
| 7. | Ethiopia | 20,449,246 | 2019 | |
| 166. | Estonia | 60,855 | 2019 | |
| 85. | Eritrea | 937,302 | 2019 | |
| 152. | Equatorial Guinea | 115,512 | 2019 | |
| 107. | El Salvador | 485,626 | 2019 | |
| 13. | Egypt | 9,868,434 | 2019 | |
| 73. | Ecuador | 1,436,536 | 2019 | |
| 150. | East Timor | 149,286 | 2019 | |
| 82. | Dominican Republic | 962,843 | 2019 | |
| 201. | Dominica | 5,469 | 2019 | |
| 156. | Djibouti | 95,686 | 2019 | |
| 122. | Denmark | 294,677 | 2019 | |
| 11. | Democratic Republic of the Congo | 12,733,745 | 2019 | |
| 111. | Czech Republic | 414,055 | 2019 | |
| 164. | Cyprus | 68,616 | 2019 | |
| 99. | Cuba | 539,938 | 2019 | |
| 141. | Croatia | 208,298 | 2019 | |
| 42. | Cote d'Ivoire | 3,125,883 | 2019 | |
| 113. | Costa Rica | 379,644 | 2019 | |
| 224. | Cook Islands | 578 | 2019 | |
| 154. | Comoros | 98,988 | 2019 | |
| 33. | Colombia | 3,770,155 | 2019 | |
| 2. | China | 79,463,448 | 2019 | |
| 76. | Chile | 1,194,659 | 2019 | |
| 199. | Channel Islands | 6,036 | 2019 | |
| 63. | Chad | 1,902,063 | 2019 | |
| 89. | Central African Republic | 864,261 | 2019 | |
| 207. | Cayman Islands | 3,730 | 2019 | |
| 168. | Cape Verde | 53,953 | 2019 | |
| 65. | Canada | 1,842,092 | 2019 | |
| 44. | Cameroon | 3,079,811 | 2019 | |
| 70. | Cambodia | 1,756,348 | 2019 | |
| 58. | Burundi | 2,183,178 | 2019 | |
| 35. | Burkina Faso | 3,689,055 | 2019 | |
| 125. | Bulgaria | 281,408 | 2019 | |
| 171. | Brunei | 36,797 | 2019 |
