The World: Population - Age 25-29 (2019) - Top 100+
| Rank | Country | Population | Year | |
|---|---|---|---|---|
| 101. | Jordan | 597,803 | 2019 | |
| 61. | Kazakhstan | 1,589,731 | 2019 | |
| 28. | Kenya | 3,988,032 | 2019 | |
| 189. | Kiribati | 10,225 | 2019 | |
| 147. | Kosovo | 162,755 | 2019 | |
| 121. | Kuwait | 339,592 | 2019 | |
| 105. | Kyrgyzstan | 565,975 | 2019 | |
| 89. | Laos | 685,462 | 2019 | |
| 153. | Latvia | 141,913 | 2019 | |
| 120. | Lebanon | 348,340 | 2019 | |
| 146. | Lesotho | 182,673 | 2019 | |
| 133. | Liberia | 294,805 | 2019 | |
| 100. | Libya | 598,909 | 2019 | |
| 216. | Liechtenstein | 2,372 | 2019 | |
| 141. | Lithuania | 246,313 | 2019 | |
| 174. | Luxembourg | 38,022 | 2019 | |
| 171. | Macau | 47,336 | 2019 | |
| 152. | Macedonia | 147,016 | 2019 | |
| 51. | Madagascar | 2,189,913 | 2019 | |
| 60. | Malawi | 1,594,760 | 2019 | |
| 47. | Malaysia | 2,470,752 | 2019 | |
| 170. | Maldives | 48,296 | 2019 | |
| 70. | Mali | 1,284,467 | 2019 | |
| 177. | Malta | 27,560 | 2019 | |
| 202. | Marshall Islands | 5,307 | 2019 | |
| 126. | Mauritania | 318,862 | 2019 | |
| 156. | Mauritius | 107,515 | 2019 | |
| 186. | Mayotte | 14,045 | 2019 | |
| 9. | Mexico | 10,009,263 | 2019 | |
| 140. | Moldova | 252,060 | 2019 | |
| 219. | Monaco | 1,392 | 2019 | |
| 128. | Mongolia | 309,171 | 2019 | |
| 173. | Montenegro | 38,272 | 2019 | |
| 227. | Montserrat | 340 | 2019 | |
| 41. | Morocco | 2,791,387 | 2019 | |
| 49. | Mozambique | 2,282,458 | 2019 | |
| 20. | Myanmar | 5,072,843 | 2019 | |
| 142. | Namibia | 237,891 | 2019 | |
| 223. | Nauru | 785 | 2019 | |
| 33. | Nepal | 3,344,810 | 2019 | |
| 72. | Netherlands | 1,107,416 | 2019 | |
| 188. | Netherlands Antilles | 11,161 | 2019 | |
| 180. | New Caledonia | 23,493 | 2019 | |
| 127. | New Zealand | 310,550 | 2019 | |
| 96. | Nicaragua | 631,787 | 2019 | |
| 63. | Niger | 1,503,036 | 2019 | |
| 7. | Nigeria | 15,459,383 | 2019 | |
| 53. | North Korea | 2,040,861 | 2019 | |
| 211. | Northern Mariana Islands | 3,506 | 2019 | |
| 124. | Norway | 323,973 | 2019 | |
| 119. | Oman | 370,620 | 2019 | |
| 5. | Pakistan | 19,996,088 | 2019 | |
| 217. | Palau | 1,889 | 2019 | |
| 132. | Panama | 299,329 | 2019 | |
| 102. | Papua New Guinea | 593,716 | 2019 | |
| 90. | Paraguay | 671,052 | 2019 | |
| 40. | Peru | 2,803,514 | 2019 | |
| 10. | Philippines | 9,638,003 | 2019 | |
| 46. | Poland | 2,505,347 | 2019 | |
| 95. | Portugal | 635,946 | 2019 | |
| 138. | Puerto Rico | 262,762 | 2019 | |
| 125. | Qatar | 323,918 | 2019 | |
| 115. | Republic of Congo | 423,537 | 2019 | |
| 69. | Romania | 1,305,982 | 2019 | |
| 14. | Russia | 8,424,264 | 2019 | |
| 73. | Rwanda | 1,066,923 | 2019 | |
| 225. | Saint Barthélemy | 508 | 2019 | |
| 226. | Saint Helena | 440 | 2019 | |
| 210. | Saint Kitts and Nevis | 3,874 | 2019 | |
| 187. | Saint Lucia | 12,028 | 2019 | |
| 214. | Saint Martin | 2,498 | 2019 | |
| 228. | Saint Pierre and Miquelon | 178 | 2019 | |
| 195. | Saint Vincent and the Grenadines | 7,543 | 2019 | |
| 183. | Samoa | 17,514 | 2019 | |
| 218. | San Marino | 1,811 | 2019 | |
| 185. | Sao Tome and Principe | 15,079 | 2019 | |
| 36. | Saudi Arabia | 3,071,441 | 2019 | |
| 71. | Senegal | 1,251,785 | 2019 | |
| 112. | Serbia | 436,114 | 2019 | |
| 197. | Seychelles | 7,149 | 2019 | |
| 109. | Sierra Leone | 496,480 | 2019 | |
| 92. | Singapore | 654,845 | 2019 | |
| 212. | Sint Maarten | 3,180 | 2019 | |
| 117. | Slovakia | 372,951 | 2019 | |
| 157. | Slovenia | 106,174 | 2019 | |
| 166. | Solomon Islands | 56,854 | 2019 | |
| 84. | Somalia | 851,802 | 2019 | |
| 21. | South Africa | 4,797,890 | 2019 | |
| 34. | South Korea | 3,328,836 | 2019 | |
| 42. | Spain | 2,660,306 | 2019 | |
| 59. | Sri Lanka | 1,634,501 | 2019 | |
| 23. | Sudan | 4,595,154 | 2019 | |
| 169. | Suriname | 48,768 | 2019 | |
| 149. | Swaziland | 150,829 | 2019 | |
| 91. | Sweden | 657,021 | 2019 | |
| 110. | Switzerland | 496,306 | 2019 | |
| 52. | Syria | 2,180,673 | 2019 | |
| 62. | Taiwan | 1,574,160 | 2019 | |
| 86. | Tajikistan | 815,115 | 2019 | |
| 24. | Tanzania | 4,450,215 | 2019 |
