The World: Population - Age 45-49 (2020) - Top 100+
| Rank | Country | Population | Year | |
|---|---|---|---|---|
| 128. | Mongolia | 229,039 | 2020 | |
| 127. | Panama | 239,043 | 2020 | |
| 126. | Lithuania | 250,446 | 2020 | |
| 125. | Sierra Leone | 262,731 | 2020 | |
| 124. | Puerto Rico | 266,768 | 2020 | |
| 123. | Lebanon | 273,883 | 2020 | |
| 122. | Georgia | 283,437 | 2020 | |
| 121. | Croatia | 298,298 | 2020 | |
| 120. | Finland | 300,826 | 2020 | |
| 119. | New Zealand | 306,199 | 2020 | |
| 118. | Kyrgyzstan | 312,345 | 2020 | |
| 117. | Eritrea | 316,717 | 2020 | |
| 116. | Turkmenistan | 317,658 | 2020 | |
| 115. | Costa Rica | 319,856 | 2020 | |
| 114. | Nicaragua | 328,701 | 2020 | |
| 113. | Togo | 330,587 | 2020 | |
| 112. | Norway | 334,748 | 2020 | |
| 111. | Laos | 350,340 | 2020 | |
| 110. | El Salvador | 351,660 | 2020 | |
| 109. | Bosnia and Herzegovina | 352,735 | 2020 | |
| 108. | Ireland | 379,915 | 2020 | |
| 107. | Papua New Guinea | 380,287 | 2020 | |
| 106. | Jordan | 383,907 | 2020 | |
| 105. | Denmark | 387,364 | 2020 | |
| 104. | Chad | 390,925 | 2020 | |
| 103. | United Arab Emirates | 408,266 | 2020 | |
| 102. | Slovakia | 419,177 | 2020 | |
| 101. | Singapore | 421,388 | 2020 | |
| 100. | Paraguay | 421,846 | 2020 | |
| 99. | Honduras | 432,139 | 2020 | |
| 98. | Burundi | 442,942 | 2020 | |
| 97. | Tajikistan | 445,727 | 2020 | |
| 96. | Benin | 453,418 | 2020 | |
| 95. | Zimbabwe | 462,421 | 2020 | |
| 94. | Libya | 477,975 | 2020 | |
| 93. | Somalia | 482,742 | 2020 | |
| 92. | Bulgaria | 490,699 | 2020 | |
| 91. | Serbia | 499,149 | 2020 | |
| 90. | Guinea | 500,687 | 2020 | |
| 89. | Israel | 501,334 | 2020 | |
| 88. | Haiti | 504,936 | 2020 | |
| 87. | Zambia | 521,215 | 2020 | |
| 86. | Rwanda | 526,807 | 2020 | |
| 85. | Mali | 539,257 | 2020 | |
| 84. | Switzerland | 540,420 | 2020 | |
| 83. | Bolivia | 561,532 | 2020 | |
| 82. | Hong Kong | 562,537 | 2020 | |
| 81. | Senegal | 571,264 | 2020 | |
| 80. | Austria | 574,568 | 2020 | |
| 79. | Sweden | 592,223 | 2020 | |
| 78. | Malawi | 616,358 | 2020 | |
| 77. | Dominican Republic | 629,330 | 2020 | |
| 76. | Azerbaijan | 634,572 | 2020 | |
| 75. | Guatemala | 665,086 | 2020 | |
| 74. | Belarus | 667,029 | 2020 | |
| 73. | Niger | 672,455 | 2020 | |
| 72. | Belgium | 697,568 | 2020 | |
| 71. | Hungary | 767,122 | 2020 | |
| 70. | Burkina Faso | 767,978 | 2020 | |
| 69. | Angola | 787,513 | 2020 | |
| 68. | Cambodia | 823,177 | 2020 | |
| 67. | Tunisia | 826,280 | 2020 | |
| 66. | Greece | 845,631 | 2020 | |
| 65. | Portugal | 845,767 | 2020 | |
| 64. | Czech Republic | 846,438 | 2020 | |
| 63. | Cameroon | 882,517 | 2020 | |
| 62. | Mozambique | 882,950 | 2020 | |
| 61. | Ecuador | 939,880 | 2020 | |
| 60. | Cuba | 945,270 | 2020 | |
| 59. | Yemen | 1,015,411 | 2020 | |
| 58. | Madagascar | 1,033,176 | 2020 | |
| 57. | Cote d'Ivoire | 1,090,655 | 2020 | |
| 56. | Chile | 1,124,994 | 2020 | |
| 55. | Netherlands | 1,140,800 | 2020 | |
| 54. | Kazakhstan | 1,155,388 | 2020 | |
| 53. | Syria | 1,225,110 | 2020 | |
| 52. | Uganda | 1,226,217 | 2020 | |
| 51. | Afghanistan | 1,343,212 | 2020 | |
| 50. | Ghana | 1,410,594 | 2020 | |
| 49. | Sri Lanka | 1,435,753 | 2020 | |
| 48. | Australia | 1,625,909 | 2020 | |
| 47. | Saudi Arabia | 1,656,651 | 2020 | |
| 46. | Romania | 1,729,326 | 2020 | |
| 45. | Nepal | 1,730,048 | 2020 | |
| 44. | Taiwan | 1,730,327 | 2020 | |
| 43. | Uzbekistan | 1,793,001 | 2020 | |
| 42. | Venezuela | 1,825,604 | 2020 | |
| 41. | Iraq | 1,840,810 | 2020 | |
| 40. | Peru | 1,877,823 | 2020 | |
| 39. | Tanzania | 1,877,919 | 2020 | |
| 38. | Kenya | 1,911,941 | 2020 | |
| 37. | North Korea | 1,956,368 | 2020 | |
| 36. | Malaysia | 2,020,742 | 2020 | |
| 35. | South Africa | 2,101,583 | 2020 | |
| 34. | Morocco | 2,165,498 | 2020 | |
| 33. | Sudan | 2,245,098 | 2020 | |
| 32. | Canada | 2,263,696 | 2020 | |
| 31. | Algeria | 2,543,988 | 2020 | |
| 30. | Argentina | 2,664,839 | 2020 | |
| 29. | Poland | 2,708,562 | 2020 |
