The World: Population - Age 45-49 (2017) - Top 100+
| Rank | Country | Population | Year | |
|---|---|---|---|---|
| 52. | Afghanistan | 1,214,782 | 2017 | |
| 135. | Albania | 171,288 | 2017 | |
| 31. | Algeria | 2,353,210 | 2017 | |
| 206. | American Samoa | 4,150 | 2017 | |
| 187. | Andorra | 8,217 | 2017 | |
| 70. | Angola | 705,523 | 2017 | |
| 220. | Anguilla | 1,386 | 2017 | |
| 194. | Antigua and Barbuda | 6,797 | 2017 | |
| 29. | Argentina | 2,444,262 | 2017 | |
| 132. | Armenia | 191,037 | 2017 | |
| 189. | Aruba | 7,644 | 2017 | |
| 46. | Australia | 1,581,639 | 2017 | |
| 73. | Austria | 661,120 | 2017 | |
| 74. | Azerbaijan | 645,457 | 2017 | |
| 146. | Bahrain | 105,977 | 2017 | |
| 8. | Bangladesh | 9,003,428 | 2017 | |
| 176. | Barbados | 22,975 | 2017 | |
| 75. | Belarus | 632,979 | 2017 | |
| 68. | Belgium | 737,364 | 2017 | |
| 181. | Belize | 16,322 | 2017 | |
| 97. | Benin | 396,450 | 2017 | |
| 204. | Bermuda | 4,431 | 2017 | |
| 166. | Bhutan | 37,888 | 2017 | |
| 84. | Bolivia | 494,572 | 2017 | |
| 106. | Bosnia and Herzegovina | 358,149 | 2017 | |
| 150. | Botswana | 81,397 | 2017 | |
| 5. | Brazil | 14,150,138 | 2017 | |
| 215. | British Virgin Islands | 2,710 | 2017 | |
| 172. | Brunei | 27,291 | 2017 | |
| 87. | Bulgaria | 479,588 | 2017 | |
| 72. | Burkina Faso | 690,252 | 2017 | |
| 101. | Burundi | 388,518 | 2017 | |
| 62. | Cambodia | 845,338 | 2017 | |
| 64. | Cameroon | 810,690 | 2017 | |
| 32. | Canada | 2,311,654 | 2017 | |
| 171. | Cape Verde | 27,639 | 2017 | |
| 203. | Cayman Islands | 4,496 | 2017 | |
| 128. | Central African Republic | 218,484 | 2017 | |
| 103. | Chad | 377,135 | 2017 | |
| 193. | Channel Islands | 6,943 | 2017 | |
| 54. | Chile | 1,118,819 | 2017 | |
| 1. | China | 123,417,672 | 2017 | |
| 26. | Colombia | 3,128,110 | 2017 | |
| 168. | Comoros | 33,252 | 2017 | |
| 223. | Cook Islands | 728 | 2017 | |
| 115. | Costa Rica | 316,306 | 2017 | |
| 58. | Cote d'Ivoire | 1,007,291 | 2017 | |
| 119. | Croatia | 287,955 | 2017 | |
| 57. | Cuba | 1,032,088 | 2017 | |
| 147. | Cyprus | 87,528 | 2017 | |
| 69. | Czech Republic | 717,194 | 2017 | |
| 28. | Democratic Republic of the Congo | 2,837,762 | 2017 | |
| 100. | Denmark | 389,581 | 2017 | |
| 167. | Djibouti | 37,348 | 2017 | |
| 199. | Dominica | 5,765 | 2017 | |
| 76. | Dominican Republic | 620,329 | 2017 | |
| 156. | East Timor | 65,490 | 2017 | |
| 60. | Ecuador | 878,650 | 2017 | |
| 21. | Egypt | 4,273,006 | 2017 | |
| 112. | El Salvador | 325,301 | 2017 | |
| 169. | Equatorial Guinea | 31,876 | 2017 | |
| 122. | Eritrea | 273,458 | 2017 | |
| 149. | Estonia | 82,946 | 2017 | |
| 25. | Ethiopia | 3,359,903 | 2017 | |
| 212. | Faroe Islands | 3,103 | 2017 | |
| 201. | Federated States of Micronesia | 5,371 | 2017 | |
| 160. | Fiji | 51,050 | 2017 | |
| 113. | Finland | 321,857 | 2017 | |
| 19. | France | 4,588,999 | 2017 | |
| 178. | French Polynesia | 20,392 | 2017 | |
| 158. | Gabon | 60,104 | 2017 | |
| 155. | Gaza Strip | 69,264 | 2017 | |
| 120. | Georgia | 283,598 | 2017 | |
| 12. | Germany | 6,145,277 | 2017 | |
| 50. | Ghana | 1,302,129 | 2017 | |
| 219. | Gibraltar | 1,628 | 2017 | |
| 61. | Greece | 845,927 | 2017 | |
| 207. | Greenland | 3,853 | 2017 | |
| 198. | Grenada | 5,943 | 2017 | |
| 183. | Guam | 12,789 | 2017 | |
| 81. | Guatemala | 563,151 | 2017 | |
| 202. | Guernsey | 5,130 | 2017 | |
| 91. | Guinea | 462,344 | 2017 | |
| 154. | Guinea-Bissau | 69,828 | 2017 | |
| 163. | Guyana | 42,709 | 2017 | |
| 88. | Haiti | 467,146 | 2017 | |
| 96. | Honduras | 397,385 | 2017 | |
| 80. | Hong Kong | 583,822 | 2017 | |
| 71. | Hungary | 697,944 | 2017 | |
| 179. | Iceland | 20,271 | 2017 | |
| 2. | India | 77,340,856 | 2017 | |
| 4. | Indonesia | 16,920,224 | 2017 | |
| 18. | Iran | 4,982,595 | 2017 | |
| 42. | Iraq | 1,689,318 | 2017 | |
| 109. | Ireland | 351,064 | 2017 | |
| 195. | Isle of Man | 6,792 | 2017 | |
| 90. | Israel | 464,616 | 2017 | |
| 17. | Italy | 5,071,296 | 2017 | |
| 144. | Jamaica | 132,514 | 2017 | |
| 7. | Japan | 9,097,855 | 2017 |
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