The World: Population - Age 0-4 (2018) - Top 100+
| Rank | Country | Population | Year | |
|---|---|---|---|---|
| 128. | The Gambia | 272,252 | 2018 | |
| 127. | Gabon | 279,265 | 2018 | |
| 126. | Hong Kong | 279,670 | 2018 | |
| 125. | Gaza Strip | 283,851 | 2018 | |
| 124. | Bulgaria | 288,682 | 2018 | |
| 123. | Denmark | 291,795 | 2018 | |
| 122. | Lebanon | 292,907 | 2018 | |
| 121. | New Zealand | 295,752 | 2018 | |
| 120. | Mongolia | 312,467 | 2018 | |
| 119. | West Bank | 317,230 | 2018 | |
| 118. | Serbia | 321,712 | 2018 | |
| 117. | Panama | 331,182 | 2018 | |
| 116. | Ireland | 361,582 | 2018 | |
| 115. | Austria | 364,147 | 2018 | |
| 114. | Switzerland | 366,043 | 2018 | |
| 113. | Costa Rica | 379,937 | 2018 | |
| 112. | Oman | 398,392 | 2018 | |
| 111. | Czech Republic | 419,975 | 2018 | |
| 110. | Belarus | 437,788 | 2018 | |
| 109. | Hungary | 451,878 | 2018 | |
| 108. | Greece | 462,020 | 2018 | |
| 107. | Sweden | 485,427 | 2018 | |
| 106. | Turkmenistan | 487,621 | 2018 | |
| 105. | United Arab Emirates | 488,208 | 2018 | |
| 104. | El Salvador | 489,903 | 2018 | |
| 103. | Portugal | 501,490 | 2018 | |
| 102. | Belgium | 520,869 | 2018 | |
| 101. | Nicaragua | 521,270 | 2018 | |
| 100. | Mauritania | 529,904 | 2018 | |
| 99. | Cuba | 541,552 | 2018 | |
| 98. | Paraguay | 553,495 | 2018 | |
| 97. | Kyrgyzstan | 656,398 | 2018 | |
| 96. | Liberia | 669,116 | 2018 | |
| 95. | Israel | 721,267 | 2018 | |
| 94. | Libya | 755,746 | 2018 | |
| 93. | Papua New Guinea | 781,425 | 2018 | |
| 92. | Azerbaijan | 782,462 | 2018 | |
| 91. | Laos | 789,747 | 2018 | |
| 90. | Jordan | 837,769 | 2018 | |
| 89. | Republic of Congo | 851,071 | 2018 | |
| 88. | Central African Republic | 852,789 | 2018 | |
| 87. | Tunisia | 889,327 | 2018 | |
| 86. | Netherlands | 921,844 | 2018 | |
| 85. | Eritrea | 935,194 | 2018 | |
| 84. | Tajikistan | 954,436 | 2018 | |
| 83. | Dominican Republic | 961,153 | 2018 | |
| 82. | Romania | 970,543 | 2018 | |
| 81. | Taiwan | 988,707 | 2018 | |
| 80. | Honduras | 990,673 | 2018 | |
| 79. | Sierra Leone | 998,200 | 2018 | |
| 78. | Haiti | 1,067,780 | 2018 | |
| 77. | Bolivia | 1,180,081 | 2018 | |
| 76. | Chile | 1,196,439 | 2018 | |
| 75. | Togo | 1,226,074 | 2018 | |
| 74. | Australia | 1,397,365 | 2018 | |
| 73. | Ecuador | 1,441,541 | 2018 | |
| 72. | Kazakhstan | 1,684,124 | 2018 | |
| 71. | Sri Lanka | 1,715,299 | 2018 | |
| 70. | Cambodia | 1,762,250 | 2018 | |
| 69. | Benin | 1,771,956 | 2018 | |
| 68. | North Korea | 1,776,364 | 2018 | |
| 67. | Guatemala | 1,814,296 | 2018 | |
| 66. | Poland | 1,817,657 | 2018 | |
| 65. | Canada | 1,831,455 | 2018 | |
| 64. | Somalia | 1,858,016 | 2018 | |
| 63. | Chad | 1,891,514 | 2018 | |
| 62. | Guinea | 1,990,505 | 2018 | |
| 61. | Ukraine | 2,000,511 | 2018 | |
| 60. | South Korea | 2,004,800 | 2018 | |
| 59. | Rwanda | 2,010,359 | 2018 | |
| 58. | Burundi | 2,139,107 | 2018 | |
| 57. | Zimbabwe | 2,214,482 | 2018 | |
| 56. | Senegal | 2,260,458 | 2018 | |
| 55. | Spain | 2,345,665 | 2018 | |
| 54. | Uzbekistan | 2,418,168 | 2018 | |
| 53. | Syria | 2,466,324 | 2018 | |
| 52. | Saudi Arabia | 2,576,674 | 2018 | |
| 51. | Italy | 2,699,918 | 2018 | |
| 50. | Peru | 2,713,296 | 2018 | |
| 49. | Venezuela | 2,756,051 | 2018 | |
| 48. | Algeria | 2,885,339 | 2018 | |
| 47. | Morocco | 2,933,240 | 2018 | |
| 46. | Malaysia | 2,946,428 | 2018 | |
| 45. | Mali | 3,012,614 | 2018 | |
| 44. | Zambia | 3,054,443 | 2018 | |
| 43. | Cameroon | 3,068,436 | 2018 | |
| 42. | Cote d'Ivoire | 3,119,270 | 2018 | |
| 41. | Nepal | 3,153,103 | 2018 | |
| 40. | Malawi | 3,161,448 | 2018 | |
| 39. | Ghana | 3,163,689 | 2018 | |
| 38. | Germany | 3,441,093 | 2018 | |
| 37. | Angola | 3,493,767 | 2018 | |
| 36. | Argentina | 3,569,063 | 2018 | |
| 35. | Burkina Faso | 3,605,839 | 2018 | |
| 34. | Yemen | 3,743,276 | 2018 | |
| 33. | Colombia | 3,781,952 | 2018 | |
| 32. | United Kingdom | 3,891,791 | 2018 | |
| 31. | France | 3,906,215 | 2018 | |
| 30. | Niger | 4,125,153 | 2018 | |
| 29. | Thailand | 4,143,032 | 2018 |
