The World: Population - Age 45-49 (2021) - Top 100+
| Rank | Country | Population | Year | |
|---|---|---|---|---|
| 128. | Mongolia | 234,765 | 2021 | |
| 127. | Panama | 242,475 | 2021 | |
| 126. | Lithuania | 245,558 | 2021 | |
| 125. | Puerto Rico | 266,338 | 2021 | |
| 124. | Sierra Leone | 267,995 | 2021 | |
| 123. | Lebanon | 278,664 | 2021 | |
| 122. | Georgia | 283,886 | 2021 | |
| 121. | New Zealand | 296,695 | 2021 | |
| 120. | Croatia | 302,623 | 2021 | |
| 119. | Finland | 304,651 | 2021 | |
| 118. | Kyrgyzstan | 322,410 | 2021 | |
| 117. | Costa Rica | 323,029 | 2021 | |
| 116. | Turkmenistan | 324,906 | 2021 | |
| 115. | Norway | 325,395 | 2021 | |
| 114. | Eritrea | 327,446 | 2021 | |
| 113. | Nicaragua | 339,242 | 2021 | |
| 112. | Togo | 343,396 | 2021 | |
| 111. | Bosnia and Herzegovina | 348,282 | 2021 | |
| 110. | Laos | 358,604 | 2021 | |
| 109. | El Salvador | 361,348 | 2021 | |
| 108. | Denmark | 384,219 | 2021 | |
| 107. | Ireland | 385,766 | 2021 | |
| 106. | Jordan | 389,962 | 2021 | |
| 105. | Papua New Guinea | 394,344 | 2021 | |
| 104. | Chad | 399,460 | 2021 | |
| 103. | United Arab Emirates | 416,646 | 2021 | |
| 102. | Singapore | 428,470 | 2021 | |
| 101. | Paraguay | 429,137 | 2021 | |
| 100. | Slovakia | 435,643 | 2021 | |
| 99. | Honduras | 444,843 | 2021 | |
| 98. | Tajikistan | 455,727 | 2021 | |
| 97. | Burundi | 461,575 | 2021 | |
| 96. | Benin | 468,890 | 2021 | |
| 95. | Libya | 479,275 | 2021 | |
| 94. | Somalia | 482,283 | 2021 | |
| 93. | Bulgaria | 500,695 | 2021 | |
| 92. | Serbia | 503,036 | 2021 | |
| 91. | Zimbabwe | 504,800 | 2021 | |
| 90. | Israel | 512,203 | 2021 | |
| 89. | Guinea | 515,139 | 2021 | |
| 88. | Haiti | 517,357 | 2021 | |
| 87. | Switzerland | 527,114 | 2021 | |
| 86. | Austria | 548,423 | 2021 | |
| 85. | Zambia | 550,203 | 2021 | |
| 84. | Hong Kong | 554,852 | 2021 | |
| 83. | Rwanda | 563,376 | 2021 | |
| 82. | Mali | 564,990 | 2021 | |
| 81. | Sweden | 578,466 | 2021 | |
| 80. | Bolivia | 586,213 | 2021 | |
| 79. | Senegal | 587,816 | 2021 | |
| 78. | Dominican Republic | 634,387 | 2021 | |
| 77. | Azerbaijan | 635,713 | 2021 | |
| 76. | Malawi | 645,138 | 2021 | |
| 75. | Belarus | 672,610 | 2021 | |
| 74. | Belgium | 677,912 | 2021 | |
| 73. | Guatemala | 699,215 | 2021 | |
| 72. | Niger | 700,635 | 2021 | |
| 71. | Cambodia | 766,124 | 2021 | |
| 70. | Burkina Faso | 796,983 | 2021 | |
| 69. | Hungary | 806,912 | 2021 | |
| 68. | Angola | 819,961 | 2021 | |
| 67. | Tunisia | 830,653 | 2021 | |
| 66. | Greece | 846,770 | 2021 | |
| 65. | Portugal | 861,236 | 2021 | |
| 64. | Czech Republic | 883,882 | 2021 | |
| 63. | Mozambique | 906,008 | 2021 | |
| 62. | Cuba | 906,712 | 2021 | |
| 61. | Cameroon | 913,979 | 2021 | |
| 60. | Ecuador | 965,320 | 2021 | |
| 59. | Madagascar | 1,068,883 | 2021 | |
| 58. | Netherlands | 1,087,364 | 2021 | |
| 57. | Yemen | 1,115,583 | 2021 | |
| 56. | Cote d'Ivoire | 1,126,577 | 2021 | |
| 55. | Chile | 1,133,826 | 2021 | |
| 54. | Kazakhstan | 1,166,029 | 2021 | |
| 53. | Syria | 1,255,143 | 2021 | |
| 52. | Uganda | 1,270,944 | 2021 | |
| 51. | Afghanistan | 1,393,147 | 2021 | |
| 50. | Ghana | 1,440,694 | 2021 | |
| 49. | Sri Lanka | 1,454,271 | 2021 | |
| 48. | Australia | 1,633,364 | 2021 | |
| 47. | Saudi Arabia | 1,708,760 | 2021 | |
| 46. | Taiwan | 1,746,898 | 2021 | |
| 45. | Romania | 1,771,291 | 2021 | |
| 44. | Nepal | 1,793,669 | 2021 | |
| 43. | North Korea | 1,830,571 | 2021 | |
| 42. | Uzbekistan | 1,838,493 | 2021 | |
| 41. | Venezuela | 1,865,917 | 2021 | |
| 40. | Iraq | 1,884,322 | 2021 | |
| 39. | Peru | 1,907,012 | 2021 | |
| 38. | Tanzania | 1,970,251 | 2021 | |
| 37. | Kenya | 2,030,015 | 2021 | |
| 36. | Malaysia | 2,053,397 | 2021 | |
| 35. | South Africa | 2,103,208 | 2021 | |
| 34. | Morocco | 2,219,095 | 2021 | |
| 33. | Canada | 2,259,425 | 2021 | |
| 32. | Sudan | 2,284,930 | 2021 | |
| 31. | Algeria | 2,621,418 | 2021 | |
| 30. | Argentina | 2,742,617 | 2021 | |
| 29. | Poland | 2,805,901 | 2021 |
