The World: Population - Age 45-49 (2021) - Top 100+
| Rank | Country | Population | Year | |
|---|---|---|---|---|
| 106. | Jordan | 389,962 | 2021 | |
| 54. | Kazakhstan | 1,166,029 | 2021 | |
| 37. | Kenya | 2,030,015 | 2021 | |
| 199. | Kiribati | 5,079 | 2021 | |
| 146. | Kosovo | 111,530 | 2021 | |
| 134. | Kuwait | 188,373 | 2021 | |
| 118. | Kyrgyzstan | 322,410 | 2021 | |
| 110. | Laos | 358,604 | 2021 | |
| 142. | Latvia | 147,819 | 2021 | |
| 123. | Lebanon | 278,664 | 2021 | |
| 156. | Lesotho | 74,191 | 2021 | |
| 137. | Liberia | 179,567 | 2021 | |
| 95. | Libya | 479,275 | 2021 | |
| 214. | Liechtenstein | 2,674 | 2021 | |
| 126. | Lithuania | 245,558 | 2021 | |
| 169. | Luxembourg | 36,018 | 2021 | |
| 162. | Macau | 45,852 | 2021 | |
| 141. | Macedonia | 151,498 | 2021 | |
| 59. | Madagascar | 1,068,883 | 2021 | |
| 76. | Malawi | 645,138 | 2021 | |
| 36. | Malaysia | 2,053,397 | 2021 | |
| 176. | Maldives | 21,729 | 2021 | |
| 82. | Mali | 564,990 | 2021 | |
| 174. | Malta | 28,129 | 2021 | |
| 208. | Marshall Islands | 3,635 | 2021 | |
| 139. | Mauritania | 168,604 | 2021 | |
| 148. | Mauritius | 91,937 | 2021 | |
| 185. | Mayotte | 10,977 | 2021 | |
| 10. | Mexico | 8,162,583 | 2021 | |
| 130. | Moldova | 225,128 | 2021 | |
| 218. | Monaco | 1,764 | 2021 | |
| 128. | Mongolia | 234,765 | 2021 | |
| 160. | Montenegro | 50,669 | 2021 | |
| 226. | Montserrat | 461 | 2021 | |
| 34. | Morocco | 2,219,095 | 2021 | |
| 63. | Mozambique | 906,008 | 2021 | |
| 25. | Myanmar | 3,790,212 | 2021 | |
| 149. | Namibia | 91,855 | 2021 | |
| 225. | Nauru | 507 | 2021 | |
| 44. | Nepal | 1,793,669 | 2021 | |
| 58. | Netherlands | 1,087,364 | 2021 | |
| 191. | Netherlands Antilles | 7,903 | 2021 | |
| 179. | New Caledonia | 20,573 | 2021 | |
| 121. | New Zealand | 296,695 | 2021 | |
| 113. | Nicaragua | 339,242 | 2021 | |
| 72. | Niger | 700,635 | 2021 | |
| 11. | Nigeria | 7,828,676 | 2021 | |
| 43. | North Korea | 1,830,571 | 2021 | |
| 209. | Northern Mariana Islands | 3,165 | 2021 | |
| 115. | Norway | 325,395 | 2021 | |
| 136. | Oman | 180,216 | 2021 | |
| 7. | Pakistan | 10,223,371 | 2021 | |
| 219. | Palau | 1,510 | 2021 | |
| 127. | Panama | 242,475 | 2021 | |
| 105. | Papua New Guinea | 394,344 | 2021 | |
| 101. | Paraguay | 429,137 | 2021 | |
| 39. | Peru | 1,907,012 | 2021 | |
| 13. | Philippines | 6,173,994 | 2021 | |
| 29. | Poland | 2,805,901 | 2021 | |
| 65. | Portugal | 861,236 | 2021 | |
| 125. | Puerto Rico | 266,338 | 2021 | |
| 132. | Qatar | 203,234 | 2021 | |
| 135. | Republic of Congo | 183,462 | 2021 | |
| 45. | Romania | 1,771,291 | 2021 | |
| 9. | Russia | 9,120,222 | 2021 | |
| 83. | Rwanda | 563,376 | 2021 | |
| 224. | Saint Barthélemy | 508 | 2021 | |
| 222. | Saint Helena | 654 | 2021 | |
| 206. | Saint Kitts and Nevis | 3,934 | 2021 | |
| 184. | Saint Lucia | 11,999 | 2021 | |
| 216. | Saint Martin | 2,071 | 2021 | |
| 227. | Saint Pierre and Miquelon | 456 | 2021 | |
| 193. | Saint Vincent and the Grenadines | 6,931 | 2021 | |
| 186. | Samoa | 10,807 | 2021 | |
| 215. | San Marino | 2,492 | 2021 | |
| 187. | Sao Tome and Principe | 8,785 | 2021 | |
| 47. | Saudi Arabia | 1,708,760 | 2021 | |
| 79. | Senegal | 587,816 | 2021 | |
| 92. | Serbia | 503,036 | 2021 | |
| 189. | Seychelles | 8,138 | 2021 | |
| 124. | Sierra Leone | 267,995 | 2021 | |
| 102. | Singapore | 428,470 | 2021 | |
| 210. | Sint Maarten | 3,119 | 2021 | |
| 100. | Slovakia | 435,643 | 2021 | |
| 143. | Slovenia | 147,068 | 2021 | |
| 168. | Solomon Islands | 37,185 | 2021 | |
| 94. | Somalia | 482,283 | 2021 | |
| 35. | South Africa | 2,103,208 | 2021 | |
| 24. | South Korea | 3,887,894 | 2021 | |
| 21. | Spain | 4,394,221 | 2021 | |
| 49. | Sri Lanka | 1,454,271 | 2021 | |
| 32. | Sudan | 2,284,930 | 2021 | |
| 167. | Suriname | 39,266 | 2021 | |
| 161. | Swaziland | 50,585 | 2021 | |
| 81. | Sweden | 578,466 | 2021 | |
| 87. | Switzerland | 527,114 | 2021 | |
| 53. | Syria | 1,255,143 | 2021 | |
| 46. | Taiwan | 1,746,898 | 2021 | |
| 98. | Tajikistan | 455,727 | 2021 | |
| 38. | Tanzania | 1,970,251 | 2021 |
