The World: Population - Age 45-49 (2019) - Top 100+
| Rank | Country | Population | Year | |
|---|---|---|---|---|
| 51. | Afghanistan | 1,294,549 | 2019 | |
| 136. | Albania | 170,326 | 2019 | |
| 31. | Algeria | 2,478,490 | 2019 | |
| 206. | American Samoa | 4,037 | 2019 | |
| 187. | Andorra | 8,282 | 2019 | |
| 69. | Angola | 757,894 | 2019 | |
| 220. | Anguilla | 1,370 | 2019 | |
| 195. | Antigua and Barbuda | 6,599 | 2019 | |
| 30. | Argentina | 2,579,529 | 2019 | |
| 132. | Armenia | 194,950 | 2019 | |
| 189. | Aruba | 7,806 | 2019 | |
| 47. | Australia | 1,613,526 | 2019 | |
| 78. | Austria | 601,880 | 2019 | |
| 75. | Azerbaijan | 634,628 | 2019 | |
| 145. | Bahrain | 114,108 | 2019 | |
| 6. | Bangladesh | 10,218,402 | 2019 | |
| 176. | Barbados | 22,105 | 2019 | |
| 73. | Belarus | 656,127 | 2019 | |
| 72. | Belgium | 715,681 | 2019 | |
| 181. | Belize | 16,269 | 2019 | |
| 95. | Benin | 436,043 | 2019 | |
| 205. | Bermuda | 4,147 | 2019 | |
| 164. | Bhutan | 40,854 | 2019 | |
| 84. | Bolivia | 536,978 | 2019 | |
| 109. | Bosnia and Herzegovina | 355,566 | 2019 | |
| 150. | Botswana | 85,430 | 2019 | |
| 5. | Brazil | 14,482,354 | 2019 | |
| 214. | British Virgin Islands | 2,728 | 2019 | |
| 171. | Brunei | 28,835 | 2019 | |
| 92. | Bulgaria | 483,693 | 2019 | |
| 70. | Burkina Faso | 744,120 | 2019 | |
| 97. | Burundi | 424,229 | 2019 | |
| 64. | Cambodia | 851,360 | 2019 | |
| 63. | Cameroon | 855,547 | 2019 | |
| 32. | Canada | 2,272,828 | 2019 | |
| 173. | Cape Verde | 27,102 | 2019 | |
| 204. | Cayman Islands | 4,528 | 2019 | |
| 129. | Central African Republic | 220,815 | 2019 | |
| 105. | Chad | 383,730 | 2019 | |
| 197. | Channel Islands | 5,929 | 2019 | |
| 56. | Chile | 1,118,889 | 2019 | |
| 1. | China | 118,978,976 | 2019 | |
| 26. | Colombia | 3,053,145 | 2019 | |
| 167. | Comoros | 39,354 | 2019 | |
| 223. | Cook Islands | 673 | 2019 | |
| 115. | Costa Rica | 318,013 | 2019 | |
| 57. | Cote d'Ivoire | 1,059,454 | 2019 | |
| 121. | Croatia | 293,182 | 2019 | |
| 59. | Cuba | 977,143 | 2019 | |
| 147. | Cyprus | 88,746 | 2019 | |
| 68. | Czech Republic | 799,229 | 2019 | |
| 27. | Democratic Republic of the Congo | 3,036,485 | 2019 | |
| 104. | Denmark | 386,090 | 2019 | |
| 165. | Djibouti | 40,448 | 2019 | |
| 203. | Dominica | 4,717 | 2019 | |
| 77. | Dominican Republic | 625,467 | 2019 | |
| 157. | East Timor | 65,075 | 2019 | |
| 61. | Ecuador | 917,429 | 2019 | |
| 20. | Egypt | 4,441,658 | 2019 | |
| 112. | El Salvador | 341,340 | 2019 | |
| 170. | Equatorial Guinea | 33,390 | 2019 | |
| 118. | Eritrea | 303,216 | 2019 | |
| 152. | Estonia | 81,655 | 2019 | |
| 24. | Ethiopia | 3,659,073 | 2019 | |
| 212. | Faroe Islands | 2,972 | 2019 | |
| 198. | Federated States of Micronesia | 5,583 | 2019 | |
| 159. | Fiji | 51,675 | 2019 | |
| 119. | Finland | 300,959 | 2019 | |
| 19. | France | 4,622,302 | 2019 | |
| 180. | French Polynesia | 20,235 | 2019 | |
| 158. | Gabon | 59,901 | 2019 | |
| 155. | Gaza Strip | 74,214 | 2019 | |
| 122. | Georgia | 282,991 | 2019 | |
| 15. | Germany | 5,353,672 | 2019 | |
| 50. | Ghana | 1,374,082 | 2019 | |
| 218. | Gibraltar | 1,768 | 2019 | |
| 65. | Greece | 844,608 | 2019 | |
| 211. | Greenland | 3,016 | 2019 | |
| 196. | Grenada | 6,444 | 2019 | |
| 183. | Guam | 12,688 | 2019 | |
| 76. | Guatemala | 629,184 | 2019 | |
| 201. | Guernsey | 4,840 | 2019 | |
| 91. | Guinea | 487,020 | 2019 | |
| 153. | Guinea-Bissau | 76,451 | 2019 | |
| 163. | Guyana | 42,949 | 2019 | |
| 89. | Haiti | 492,690 | 2019 | |
| 99. | Honduras | 420,839 | 2019 | |
| 81. | Hong Kong | 564,634 | 2019 | |
| 71. | Hungary | 726,784 | 2019 | |
| 178. | Iceland | 21,023 | 2019 | |
| 2. | India | 80,919,776 | 2019 | |
| 4. | Indonesia | 17,612,254 | 2019 | |
| 16. | Iran | 5,206,673 | 2019 | |
| 40. | Iraq | 1,796,601 | 2019 | |
| 107. | Ireland | 371,841 | 2019 | |
| 194. | Isle of Man | 6,647 | 2019 | |
| 90. | Israel | 489,485 | 2019 | |
| 18. | Italy | 5,108,187 | 2019 | |
| 144. | Jamaica | 137,339 | 2019 | |
| 8. | Japan | 9,426,844 | 2019 |
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