The World: Population - Age 45-49 (2019) - Top 100+
| Rank | Country | Population | Year | |
|---|---|---|---|---|
| 128. | Mongolia | 223,328 | 2019 | |
| 127. | Panama | 235,877 | 2019 | |
| 126. | Lithuania | 254,454 | 2019 | |
| 125. | Sierra Leone | 259,355 | 2019 | |
| 124. | Puerto Rico | 266,808 | 2019 | |
| 123. | Lebanon | 269,300 | 2019 | |
| 122. | Georgia | 282,991 | 2019 | |
| 121. | Croatia | 293,182 | 2019 | |
| 120. | Kyrgyzstan | 300,901 | 2019 | |
| 119. | Finland | 300,959 | 2019 | |
| 118. | Eritrea | 303,216 | 2019 | |
| 117. | Turkmenistan | 310,331 | 2019 | |
| 116. | New Zealand | 314,692 | 2019 | |
| 115. | Costa Rica | 318,013 | 2019 | |
| 114. | Togo | 318,545 | 2019 | |
| 113. | Nicaragua | 320,975 | 2019 | |
| 112. | El Salvador | 341,340 | 2019 | |
| 111. | Norway | 342,166 | 2019 | |
| 110. | Laos | 342,234 | 2019 | |
| 109. | Bosnia and Herzegovina | 355,566 | 2019 | |
| 108. | Papua New Guinea | 366,618 | 2019 | |
| 107. | Ireland | 371,841 | 2019 | |
| 106. | Jordan | 375,196 | 2019 | |
| 105. | Chad | 383,730 | 2019 | |
| 104. | Denmark | 386,090 | 2019 | |
| 103. | United Arab Emirates | 399,245 | 2019 | |
| 102. | Slovakia | 400,796 | 2019 | |
| 101. | Paraguay | 413,476 | 2019 | |
| 100. | Singapore | 413,641 | 2019 | |
| 99. | Honduras | 420,839 | 2019 | |
| 98. | Zimbabwe | 423,834 | 2019 | |
| 97. | Burundi | 424,229 | 2019 | |
| 96. | Tajikistan | 435,231 | 2019 | |
| 95. | Benin | 436,043 | 2019 | |
| 94. | Libya | 476,325 | 2019 | |
| 93. | Somalia | 483,151 | 2019 | |
| 92. | Bulgaria | 483,693 | 2019 | |
| 91. | Guinea | 487,020 | 2019 | |
| 90. | Israel | 489,485 | 2019 | |
| 89. | Haiti | 492,690 | 2019 | |
| 88. | Zambia | 493,088 | 2019 | |
| 87. | Serbia | 494,155 | 2019 | |
| 86. | Rwanda | 499,949 | 2019 | |
| 85. | Mali | 519,337 | 2019 | |
| 84. | Bolivia | 536,978 | 2019 | |
| 83. | Switzerland | 554,517 | 2019 | |
| 82. | Senegal | 557,484 | 2019 | |
| 81. | Hong Kong | 564,634 | 2019 | |
| 80. | Malawi | 590,221 | 2019 | |
| 79. | Sweden | 600,945 | 2019 | |
| 78. | Austria | 601,880 | 2019 | |
| 77. | Dominican Republic | 625,467 | 2019 | |
| 76. | Guatemala | 629,184 | 2019 | |
| 75. | Azerbaijan | 634,628 | 2019 | |
| 74. | Niger | 645,011 | 2019 | |
| 73. | Belarus | 656,127 | 2019 | |
| 72. | Belgium | 715,681 | 2019 | |
| 71. | Hungary | 726,784 | 2019 | |
| 70. | Burkina Faso | 744,120 | 2019 | |
| 69. | Angola | 757,894 | 2019 | |
| 68. | Czech Republic | 799,229 | 2019 | |
| 67. | Tunisia | 819,178 | 2019 | |
| 66. | Portugal | 827,223 | 2019 | |
| 65. | Greece | 844,608 | 2019 | |
| 64. | Cambodia | 851,360 | 2019 | |
| 63. | Cameroon | 855,547 | 2019 | |
| 62. | Mozambique | 857,463 | 2019 | |
| 61. | Ecuador | 917,429 | 2019 | |
| 60. | Yemen | 931,890 | 2019 | |
| 59. | Cuba | 977,143 | 2019 | |
| 58. | Madagascar | 1,001,352 | 2019 | |
| 57. | Cote d'Ivoire | 1,059,454 | 2019 | |
| 56. | Chile | 1,118,889 | 2019 | |
| 55. | Kazakhstan | 1,142,893 | 2019 | |
| 54. | Uganda | 1,181,368 | 2019 | |
| 53. | Netherlands | 1,198,391 | 2019 | |
| 52. | Syria | 1,200,365 | 2019 | |
| 51. | Afghanistan | 1,294,549 | 2019 | |
| 50. | Ghana | 1,374,082 | 2019 | |
| 49. | Sri Lanka | 1,426,975 | 2019 | |
| 48. | Saudi Arabia | 1,609,606 | 2019 | |
| 47. | Australia | 1,613,526 | 2019 | |
| 46. | Nepal | 1,661,735 | 2019 | |
| 45. | Romania | 1,714,659 | 2019 | |
| 44. | Uzbekistan | 1,741,577 | 2019 | |
| 43. | Taiwan | 1,751,000 | 2019 | |
| 42. | Venezuela | 1,788,269 | 2019 | |
| 41. | Tanzania | 1,788,349 | 2019 | |
| 40. | Iraq | 1,796,601 | 2019 | |
| 39. | Kenya | 1,810,285 | 2019 | |
| 38. | Peru | 1,846,969 | 2019 | |
| 37. | Malaysia | 1,989,077 | 2019 | |
| 36. | North Korea | 2,037,858 | 2019 | |
| 35. | South Africa | 2,107,036 | 2019 | |
| 34. | Morocco | 2,112,441 | 2019 | |
| 33. | Sudan | 2,202,293 | 2019 | |
| 32. | Canada | 2,272,828 | 2019 | |
| 31. | Algeria | 2,478,490 | 2019 | |
| 30. | Argentina | 2,579,529 | 2019 | |
| 29. | Poland | 2,608,745 | 2019 |
