The World: Population - Age 10-14 (2021) - Top 100+
| Rank | Country | Population | Year | |
|---|---|---|---|---|
| 89. | Jordan | 776,112 | 2021 | |
| 67. | Kazakhstan | 1,691,455 | 2021 | |
| 18. | Kenya | 6,712,862 | 2021 | |
| 189. | Kiribati | 10,525 | 2021 | |
| 148. | Kosovo | 159,156 | 2021 | |
| 140. | Kuwait | 216,091 | 2021 | |
| 97. | Kyrgyzstan | 596,496 | 2021 | |
| 92. | Laos | 763,340 | 2021 | |
| 153. | Latvia | 104,065 | 2021 | |
| 124. | Lebanon | 293,351 | 2021 | |
| 144. | Lesotho | 198,469 | 2021 | |
| 96. | Liberia | 604,884 | 2021 | |
| 90. | Libya | 770,832 | 2021 | |
| 215. | Liechtenstein | 1,963 | 2021 | |
| 149. | Lithuania | 157,526 | 2021 | |
| 174. | Luxembourg | 32,197 | 2021 | |
| 175. | Macau | 27,983 | 2021 | |
| 151. | Macedonia | 120,941 | 2021 | |
| 34. | Madagascar | 3,538,115 | 2021 | |
| 50. | Malawi | 2,606,697 | 2021 | |
| 41. | Malaysia | 2,899,381 | 2021 | |
| 176. | Maldives | 27,426 | 2021 | |
| 54. | Mali | 2,322,226 | 2021 | |
| 182. | Malta | 21,202 | 2021 | |
| 193. | Marshall Islands | 8,504 | 2021 | |
| 107. | Mauritania | 470,594 | 2021 | |
| 157. | Mauritius | 91,421 | 2021 | |
| 171. | Mayotte | 33,548 | 2021 | |
| 12. | Mexico | 10,367,977 | 2021 | |
| 142. | Moldova | 211,360 | 2021 | |
| 220. | Monaco | 1,116 | 2021 | |
| 123. | Mongolia | 300,168 | 2021 | |
| 173. | Montenegro | 32,462 | 2021 | |
| 228. | Montserrat | 286 | 2021 | |
| 42. | Morocco | 2,881,105 | 2021 | |
| 31. | Mozambique | 3,797,384 | 2021 | |
| 23. | Myanmar | 4,831,066 | 2021 | |
| 141. | Namibia | 215,416 | 2021 | |
| 223. | Nauru | 994 | 2021 | |
| 37. | Nepal | 3,131,978 | 2021 | |
| 83. | Netherlands | 930,320 | 2021 | |
| 191. | Netherlands Antilles | 9,858 | 2021 | |
| 181. | New Caledonia | 21,291 | 2021 | |
| 122. | New Zealand | 301,709 | 2021 | |
| 101. | Nicaragua | 539,379 | 2021 | |
| 36. | Niger | 3,138,057 | 2021 | |
| 3. | Nigeria | 26,319,932 | 2021 | |
| 65. | North Korea | 1,711,540 | 2021 | |
| 204. | Northern Mariana Islands | 4,248 | 2021 | |
| 131. | Norway | 266,769 | 2021 | |
| 118. | Oman | 323,604 | 2021 | |
| 6. | Pakistan | 21,234,432 | 2021 | |
| 218. | Palau | 1,541 | 2021 | |
| 117. | Panama | 333,560 | 2021 | |
| 91. | Papua New Guinea | 766,817 | 2021 | |
| 99. | Paraguay | 562,039 | 2021 | |
| 47. | Peru | 2,710,596 | 2021 | |
| 10. | Philippines | 12,253,590 | 2021 | |
| 60. | Poland | 1,897,951 | 2021 | |
| 98. | Portugal | 575,916 | 2021 | |
| 138. | Puerto Rico | 218,618 | 2021 | |
| 155. | Qatar | 97,214 | 2021 | |
| 95. | Republic of Congo | 712,139 | 2021 | |
| 78. | Romania | 1,048,873 | 2021 | |
| 14. | Russia | 7,616,503 | 2021 | |
| 62. | Rwanda | 1,800,673 | 2021 | |
| 226. | Saint Barthélemy | 363 | 2021 | |
| 225. | Saint Helena | 422 | 2021 | |
| 208. | Saint Kitts and Nevis | 3,603 | 2021 | |
| 188. | Saint Lucia | 10,799 | 2021 | |
| 213. | Saint Martin | 2,626 | 2021 | |
| 227. | Saint Pierre and Miquelon | 289 | 2021 | |
| 195. | Saint Vincent and the Grenadines | 7,009 | 2021 | |
| 184. | Samoa | 20,150 | 2021 | |
| 217. | San Marino | 1,802 | 2021 | |
| 177. | Sao Tome and Principe | 27,344 | 2021 | |
| 53. | Saudi Arabia | 2,358,880 | 2021 | |
| 58. | Senegal | 1,969,478 | 2021 | |
| 116. | Serbia | 337,609 | 2021 | |
| 199. | Seychelles | 5,898 | 2021 | |
| 87. | Sierra Leone | 819,037 | 2021 | |
| 130. | Singapore | 268,721 | 2021 | |
| 212. | Sint Maarten | 2,763 | 2021 | |
| 125. | Slovakia | 288,535 | 2021 | |
| 158. | Slovenia | 89,722 | 2021 | |
| 163. | Solomon Islands | 73,687 | 2021 | |
| 73. | Somalia | 1,460,403 | 2021 | |
| 24. | South Africa | 4,436,873 | 2021 | |
| 57. | South Korea | 2,154,699 | 2021 | |
| 48. | Spain | 2,708,343 | 2021 | |
| 61. | Sri Lanka | 1,843,634 | 2021 | |
| 17. | Sudan | 6,827,964 | 2021 | |
| 169. | Suriname | 49,998 | 2021 | |
| 146. | Swaziland | 170,508 | 2021 | |
| 106. | Sweden | 473,961 | 2021 | |
| 113. | Switzerland | 375,561 | 2021 | |
| 51. | Syria | 2,491,553 | 2021 | |
| 80. | Taiwan | 1,021,442 | 2021 | |
| 84. | Tajikistan | 909,802 | 2021 | |
| 21. | Tanzania | 6,030,617 | 2021 |
