The World: Population - Age 20-24 (2020) - Top 100+
| Rank | Country | Population | Year | |
|---|---|---|---|---|
| 93. | Jordan | 636,832 | 2020 | |
| 74. | Kazakhstan | 1,225,328 | 2020 | |
| 24. | Kenya | 4,439,979 | 2020 | |
| 188. | Kiribati | 11,690 | 2020 | |
| 149. | Kosovo | 163,882 | 2020 | |
| 134. | Kuwait | 260,279 | 2020 | |
| 106. | Kyrgyzstan | 503,985 | 2020 | |
| 86. | Laos | 748,952 | 2020 | |
| 158. | Latvia | 87,899 | 2020 | |
| 122. | Lebanon | 312,768 | 2020 | |
| 145. | Lesotho | 182,772 | 2020 | |
| 111. | Liberia | 455,770 | 2020 | |
| 94. | Libya | 630,810 | 2020 | |
| 214. | Liechtenstein | 2,334 | 2020 | |
| 147. | Lithuania | 179,867 | 2020 | |
| 173. | Luxembourg | 35,729 | 2020 | |
| 174. | Macau | 33,390 | 2020 | |
| 151. | Macedonia | 141,808 | 2020 | |
| 46. | Madagascar | 2,582,448 | 2020 | |
| 57. | Malawi | 1,949,582 | 2020 | |
| 45. | Malaysia | 2,614,430 | 2020 | |
| 171. | Maldives | 38,544 | 2020 | |
| 61. | Mali | 1,642,009 | 2020 | |
| 177. | Malta | 24,017 | 2020 | |
| 197. | Marshall Islands | 7,047 | 2020 | |
| 116. | Mauritania | 372,072 | 2020 | |
| 154. | Mauritius | 97,574 | 2020 | |
| 179. | Mayotte | 22,412 | 2020 | |
| 11. | Mexico | 10,229,201 | 2020 | |
| 141. | Moldova | 194,175 | 2020 | |
| 219. | Monaco | 1,468 | 2020 | |
| 130. | Mongolia | 283,087 | 2020 | |
| 175. | Montenegro | 29,218 | 2020 | |
| 224. | Montserrat | 733 | 2020 | |
| 39. | Morocco | 2,857,001 | 2020 | |
| 38. | Mozambique | 2,875,138 | 2020 | |
| 21. | Myanmar | 4,959,013 | 2020 | |
| 137. | Namibia | 257,256 | 2020 | |
| 223. | Nauru | 762 | 2020 | |
| 31. | Nepal | 3,617,215 | 2020 | |
| 80. | Netherlands | 1,046,581 | 2020 | |
| 189. | Netherlands Antilles | 10,275 | 2020 | |
| 178. | New Caledonia | 23,412 | 2020 | |
| 126. | New Zealand | 300,535 | 2020 | |
| 96. | Nicaragua | 618,535 | 2020 | |
| 55. | Niger | 2,014,178 | 2020 | |
| 6. | Nigeria | 18,895,680 | 2020 | |
| 58. | North Korea | 1,934,322 | 2020 | |
| 212. | Northern Mariana Islands | 2,846 | 2020 | |
| 121. | Norway | 316,104 | 2020 | |
| 118. | Oman | 334,850 | 2020 | |
| 4. | Pakistan | 21,731,496 | 2020 | |
| 218. | Palau | 1,654 | 2020 | |
| 120. | Panama | 324,015 | 2020 | |
| 90. | Papua New Guinea | 695,620 | 2020 | |
| 91. | Paraguay | 667,997 | 2020 | |
| 40. | Peru | 2,796,182 | 2020 | |
| 9. | Philippines | 10,761,627 | 2020 | |
| 56. | Poland | 1,953,002 | 2020 | |
| 95. | Portugal | 621,330 | 2020 | |
| 135. | Puerto Rico | 260,242 | 2020 | |
| 143. | Qatar | 190,515 | 2020 | |
| 103. | Republic of Congo | 526,644 | 2020 | |
| 75. | Romania | 1,134,251 | 2020 | |
| 16. | Russia | 6,242,375 | 2020 | |
| 70. | Rwanda | 1,318,131 | 2020 | |
| 227. | Saint Barthélemy | 318 | 2020 | |
| 226. | Saint Helena | 487 | 2020 | |
| 209. | Saint Kitts and Nevis | 3,736 | 2020 | |
| 187. | Saint Lucia | 11,818 | 2020 | |
| 217. | Saint Martin | 1,712 | 2020 | |
| 228. | Saint Pierre and Miquelon | 203 | 2020 | |
| 195. | Saint Vincent and the Grenadines | 7,549 | 2020 | |
| 184. | Samoa | 19,034 | 2020 | |
| 215. | San Marino | 2,040 | 2020 | |
| 183. | Sao Tome and Principe | 20,458 | 2020 | |
| 41. | Saudi Arabia | 2,792,483 | 2020 | |
| 67. | Senegal | 1,483,792 | 2020 | |
| 115. | Serbia | 388,634 | 2020 | |
| 199. | Seychelles | 6,004 | 2020 | |
| 99. | Sierra Leone | 565,859 | 2020 | |
| 100. | Singapore | 561,967 | 2020 | |
| 211. | Sint Maarten | 3,214 | 2020 | |
| 129. | Slovakia | 289,942 | 2020 | |
| 156. | Slovenia | 91,588 | 2020 | |
| 165. | Solomon Islands | 65,249 | 2020 | |
| 79. | Somalia | 1,062,766 | 2020 | |
| 23. | South Africa | 4,590,776 | 2020 | |
| 34. | South Korea | 3,206,102 | 2020 | |
| 48. | Spain | 2,417,034 | 2020 | |
| 62. | Sri Lanka | 1,576,650 | 2020 | |
| 19. | Sudan | 5,326,874 | 2020 | |
| 169. | Suriname | 53,424 | 2020 | |
| 150. | Swaziland | 161,706 | 2020 | |
| 107. | Sweden | 496,371 | 2020 | |
| 113. | Switzerland | 444,522 | 2020 | |
| 49. | Syria | 2,338,816 | 2020 | |
| 66. | Taiwan | 1,498,951 | 2020 | |
| 83. | Tajikistan | 795,309 | 2020 | |
| 20. | Tanzania | 5,297,258 | 2020 |
