The World: Population - Age 0-4 (2015) - Top 100+
| Rank | Country | Population | Year | |
|---|---|---|---|---|
| 88. | Jordan | 819,539 | 2015 | |
| 70. | Kazakhstan | 1,738,880 | 2015 | |
| 20. | Kenya | 6,376,220 | 2015 | |
| 189. | Kiribati | 10,738 | 2015 | |
| 149. | Kosovo | 156,921 | 2015 | |
| 130. | Kuwait | 270,533 | 2015 | |
| 97. | Kyrgyzstan | 647,321 | 2015 | |
| 92. | Laos | 788,515 | 2015 | |
| 153. | Latvia | 106,765 | 2015 | |
| 122. | Lebanon | 295,749 | 2015 | |
| 138. | Lesotho | 224,209 | 2015 | |
| 96. | Liberia | 651,174 | 2015 | |
| 94. | Libya | 770,726 | 2015 | |
| 215. | Liechtenstein | 1,983 | 2015 | |
| 148. | Lithuania | 162,753 | 2015 | |
| 173. | Luxembourg | 30,862 | 2015 | |
| 177. | Macau | 26,784 | 2015 | |
| 151. | Macedonia | 121,271 | 2015 | |
| 29. | Madagascar | 3,989,028 | 2015 | |
| 43. | Malawi | 2,988,585 | 2015 | |
| 44. | Malaysia | 2,956,342 | 2015 | |
| 176. | Maldives | 29,137 | 2015 | |
| 48. | Mali | 2,845,874 | 2015 | |
| 181. | Malta | 21,092 | 2015 | |
| 192. | Marshall Islands | 9,062 | 2015 | |
| 103. | Mauritania | 514,652 | 2015 | |
| 158. | Mauritius | 89,260 | 2015 | |
| 175. | Mayotte | 29,891 | 2015 | |
| 12. | Mexico | 10,534,623 | 2015 | |
| 139. | Moldova | 220,395 | 2015 | |
| 223. | Monaco | 1,004 | 2015 | |
| 119. | Mongolia | 314,399 | 2015 | |
| 172. | Montenegro | 34,213 | 2015 | |
| 227. | Montserrat | 292 | 2015 | |
| 45. | Morocco | 2,951,245 | 2015 | |
| 26. | Mozambique | 4,266,461 | 2015 | |
| 24. | Myanmar | 4,932,343 | 2015 | |
| 142. | Namibia | 213,847 | 2015 | |
| 220. | Nauru | 1,153 | 2015 | |
| 40. | Nepal | 3,111,441 | 2015 | |
| 86. | Netherlands | 913,936 | 2015 | |
| 191. | Netherlands Antilles | 9,914 | 2015 | |
| 182. | New Caledonia | 20,705 | 2015 | |
| 123. | New Zealand | 293,657 | 2015 | |
| 100. | Nicaragua | 529,223 | 2015 | |
| 34. | Niger | 3,764,244 | 2015 | |
| 3. | Nigeria | 30,302,308 | 2015 | |
| 71. | North Korea | 1,738,805 | 2015 | |
| 203. | Northern Mariana Islands | 4,163 | 2015 | |
| 133. | Norway | 256,889 | 2015 | |
| 113. | Oman | 375,224 | 2015 | |
| 5. | Pakistan | 21,362,168 | 2015 | |
| 221. | Palau | 1,129 | 2015 | |
| 117. | Panama | 331,626 | 2015 | |
| 93. | Papua New Guinea | 779,471 | 2015 | |
| 98. | Paraguay | 548,183 | 2015 | |
| 50. | Peru | 2,744,324 | 2015 | |
| 10. | Philippines | 12,694,717 | 2015 | |
| 62. | Poland | 1,886,610 | 2015 | |
| 101. | Portugal | 524,714 | 2015 | |
| 140. | Puerto Rico | 218,890 | 2015 | |
| 155. | Qatar | 104,057 | 2015 | |
| 90. | Republic of Congo | 806,471 | 2015 | |
| 79. | Romania | 1,015,641 | 2015 | |
| 17. | Russia | 7,373,760 | 2015 | |
| 61. | Rwanda | 1,958,073 | 2015 | |
| 226. | Saint Barthélemy | 363 | 2015 | |
| 225. | Saint Helena | 394 | 2015 | |
| 208. | Saint Kitts and Nevis | 3,538 | 2015 | |
| 188. | Saint Lucia | 11,148 | 2015 | |
| 212. | Saint Martin | 2,764 | 2015 | |
| 228. | Saint Pierre and Miquelon | 243 | 2015 | |
| 196. | Saint Vincent and the Grenadines | 7,074 | 2015 | |
| 184. | Samoa | 20,366 | 2015 | |
| 217. | San Marino | 1,535 | 2015 | |
| 174. | Sao Tome and Principe | 30,200 | 2015 | |
| 52. | Saudi Arabia | 2,530,814 | 2015 | |
| 56. | Senegal | 2,186,697 | 2015 | |
| 118. | Serbia | 330,086 | 2015 | |
| 198. | Seychelles | 6,461 | 2015 | |
| 84. | Sierra Leone | 948,930 | 2015 | |
| 137. | Singapore | 228,785 | 2015 | |
| 213. | Sint Maarten | 2,548 | 2015 | |
| 126. | Slovakia | 281,304 | 2015 | |
| 160. | Slovenia | 86,416 | 2015 | |
| 163. | Solomon Islands | 76,971 | 2015 | |
| 66. | Somalia | 1,798,692 | 2015 | |
| 25. | South Africa | 4,437,577 | 2015 | |
| 58. | South Korea | 2,045,146 | 2015 | |
| 54. | Spain | 2,455,116 | 2015 | |
| 68. | Sri Lanka | 1,789,939 | 2015 | |
| 15. | Sudan | 7,633,321 | 2015 | |
| 169. | Suriname | 47,101 | 2015 | |
| 147. | Swaziland | 169,149 | 2015 | |
| 107. | Sweden | 470,536 | 2015 | |
| 115. | Switzerland | 365,022 | 2015 | |
| 53. | Syria | 2,500,603 | 2015 | |
| 80. | Taiwan | 1,010,299 | 2015 | |
| 82. | Tajikistan | 958,558 | 2015 | |
| 21. | Tanzania | 6,323,153 | 2015 |
