The World: Population - Age 0-4 (2018) - Top 100+
| Rank | Country | Population | Year | |
|---|---|---|---|---|
| 22. | Afghanistan | 5,472,955 | 2018 | |
| 145. | Albania | 192,880 | 2018 | |
| 48. | Algeria | 2,885,339 | 2018 | |
| 194. | American Samoa | 7,573 | 2018 | |
| 210. | Andorra | 3,411 | 2018 | |
| 37. | Angola | 3,493,767 | 2018 | |
| 218. | Anguilla | 1,283 | 2018 | |
| 195. | Antigua and Barbuda | 7,380 | 2018 | |
| 36. | Argentina | 3,569,063 | 2018 | |
| 146. | Armenia | 180,537 | 2018 | |
| 196. | Aruba | 7,033 | 2018 | |
| 74. | Australia | 1,397,365 | 2018 | |
| 115. | Austria | 364,147 | 2018 | |
| 92. | Azerbaijan | 782,462 | 2018 | |
| 157. | Bahrain | 92,975 | 2018 | |
| 9. | Bangladesh | 17,082,272 | 2018 | |
| 185. | Barbados | 16,959 | 2018 | |
| 110. | Belarus | 437,788 | 2018 | |
| 102. | Belgium | 520,869 | 2018 | |
| 170. | Belize | 42,061 | 2018 | |
| 69. | Benin | 1,771,956 | 2018 | |
| 205. | Bermuda | 3,986 | 2018 | |
| 165. | Bhutan | 63,342 | 2018 | |
| 77. | Bolivia | 1,180,081 | 2018 | |
| 144. | Bosnia and Herzegovina | 199,675 | 2018 | |
| 136. | Botswana | 234,181 | 2018 | |
| 8. | Brazil | 17,292,146 | 2018 | |
| 215. | British Virgin Islands | 2,028 | 2018 | |
| 171. | Brunei | 36,531 | 2018 | |
| 124. | Bulgaria | 288,682 | 2018 | |
| 35. | Burkina Faso | 3,605,839 | 2018 | |
| 58. | Burundi | 2,139,107 | 2018 | |
| 70. | Cambodia | 1,762,250 | 2018 | |
| 43. | Cameroon | 3,068,436 | 2018 | |
| 65. | Canada | 1,831,455 | 2018 | |
| 168. | Cape Verde | 53,836 | 2018 | |
| 207. | Cayman Islands | 3,670 | 2018 | |
| 88. | Central African Republic | 852,789 | 2018 | |
| 63. | Chad | 1,891,514 | 2018 | |
| 200. | Channel Islands | 5,888 | 2018 | |
| 76. | Chile | 1,196,439 | 2018 | |
| 2. | China | 80,221,664 | 2018 | |
| 33. | Colombia | 3,781,952 | 2018 | |
| 154. | Comoros | 100,594 | 2018 | |
| 224. | Cook Islands | 604 | 2018 | |
| 113. | Costa Rica | 379,937 | 2018 | |
| 42. | Cote d'Ivoire | 3,119,270 | 2018 | |
| 141. | Croatia | 209,512 | 2018 | |
| 99. | Cuba | 541,552 | 2018 | |
| 164. | Cyprus | 68,101 | 2018 | |
| 111. | Czech Republic | 419,975 | 2018 | |
| 11. | Democratic Republic of the Congo | 12,660,993 | 2018 | |
| 123. | Denmark | 291,795 | 2018 | |
| 156. | Djibouti | 94,376 | 2018 | |
| 201. | Dominica | 5,507 | 2018 | |
| 83. | Dominican Republic | 961,153 | 2018 | |
| 150. | East Timor | 149,087 | 2018 | |
| 73. | Ecuador | 1,441,541 | 2018 | |
| 13. | Egypt | 9,879,704 | 2018 | |
| 104. | El Salvador | 489,903 | 2018 | |
| 152. | Equatorial Guinea | 114,244 | 2018 | |
| 85. | Eritrea | 935,194 | 2018 | |
| 166. | Estonia | 62,317 | 2018 | |
| 7. | Ethiopia | 19,951,936 | 2018 | |
| 209. | Faroe Islands | 3,483 | 2018 | |
| 191. | Federated States of Micronesia | 9,988 | 2018 | |
| 159. | Fiji | 84,753 | 2018 | |
| 129. | Finland | 272,182 | 2018 | |
| 31. | France | 3,906,215 | 2018 | |
| 180. | French Polynesia | 21,227 | 2018 | |
| 127. | Gabon | 279,265 | 2018 | |
| 125. | Gaza Strip | 283,851 | 2018 | |
| 137. | Georgia | 231,262 | 2018 | |
| 38. | Germany | 3,441,093 | 2018 | |
| 39. | Ghana | 3,163,689 | 2018 | |
| 214. | Gibraltar | 2,042 | 2018 | |
| 108. | Greece | 462,020 | 2018 | |
| 203. | Greenland | 4,075 | 2018 | |
| 193. | Grenada | 8,700 | 2018 | |
| 186. | Guam | 16,205 | 2018 | |
| 67. | Guatemala | 1,814,296 | 2018 | |
| 211. | Guernsey | 3,202 | 2018 | |
| 62. | Guinea | 1,990,505 | 2018 | |
| 134. | Guinea-Bissau | 258,238 | 2018 | |
| 167. | Guyana | 55,890 | 2018 | |
| 78. | Haiti | 1,067,780 | 2018 | |
| 80. | Honduras | 990,673 | 2018 | |
| 126. | Hong Kong | 279,670 | 2018 | |
| 109. | Hungary | 451,878 | 2018 | |
| 182. | Iceland | 20,771 | 2018 | |
| 1. | India | 116,683,184 | 2018 | |
| 6. | Indonesia | 20,870,818 | 2018 | |
| 17. | Iran | 7,007,580 | 2018 | |
| 28. | Iraq | 4,197,568 | 2018 | |
| 116. | Ireland | 361,582 | 2018 | |
| 202. | Isle of Man | 4,869 | 2018 | |
| 95. | Israel | 721,267 | 2018 | |
| 51. | Italy | 2,699,918 | 2018 | |
| 132. | Jamaica | 262,279 | 2018 | |
| 23. | Japan | 4,973,882 | 2018 |
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