The World: Population - Age 45-49 (2020) - Top 100+
| Rank | Country | Population | Year | |
|---|---|---|---|---|
| 101. | Singapore | 421,388 | 2020 | |
| 102. | Slovakia | 419,177 | 2020 | |
| 103. | United Arab Emirates | 408,266 | 2020 | |
| 104. | Chad | 390,925 | 2020 | |
| 105. | Denmark | 387,364 | 2020 | |
| 106. | Jordan | 383,907 | 2020 | |
| 107. | Papua New Guinea | 380,287 | 2020 | |
| 108. | Ireland | 379,915 | 2020 | |
| 109. | Bosnia and Herzegovina | 352,735 | 2020 | |
| 110. | El Salvador | 351,660 | 2020 | |
| 111. | Laos | 350,340 | 2020 | |
| 112. | Norway | 334,748 | 2020 | |
| 113. | Togo | 330,587 | 2020 | |
| 114. | Nicaragua | 328,701 | 2020 | |
| 115. | Costa Rica | 319,856 | 2020 | |
| 116. | Turkmenistan | 317,658 | 2020 | |
| 117. | Eritrea | 316,717 | 2020 | |
| 118. | Kyrgyzstan | 312,345 | 2020 | |
| 119. | New Zealand | 306,199 | 2020 | |
| 120. | Finland | 300,826 | 2020 | |
| 121. | Croatia | 298,298 | 2020 | |
| 122. | Georgia | 283,437 | 2020 | |
| 123. | Lebanon | 273,883 | 2020 | |
| 124. | Puerto Rico | 266,768 | 2020 | |
| 125. | Sierra Leone | 262,731 | 2020 | |
| 126. | Lithuania | 250,446 | 2020 | |
| 127. | Panama | 239,043 | 2020 | |
| 128. | Mongolia | 229,039 | 2020 | |
| 129. | Central African Republic | 223,386 | 2020 | |
| 130. | Moldova | 220,279 | 2020 | |
| 131. | Uruguay | 212,538 | 2020 | |
| 132. | Qatar | 196,356 | 2020 | |
| 133. | Armenia | 195,702 | 2020 | |
| 134. | Kuwait | 183,127 | 2020 | |
| 135. | Republic of Congo | 179,505 | 2020 | |
| 136. | Liberia | 173,358 | 2020 | |
| 137. | Albania | 169,530 | 2020 | |
| 138. | Oman | 167,663 | 2020 | |
| 139. | Mauritania | 163,491 | 2020 | |
| 140. | West Bank | 156,351 | 2020 | |
| 141. | Latvia | 150,812 | 2020 | |
| 142. | Macedonia | 148,436 | 2020 | |
| 143. | Slovenia | 144,663 | 2020 | |
| 144. | Jamaica | 139,836 | 2020 | |
| 145. | Bahrain | 118,494 | 2020 | |
| 146. | Kosovo | 110,370 | 2020 | |
| 147. | Cyprus | 89,184 | 2020 | |
| 148. | Namibia | 89,109 | 2020 | |
| 149. | Botswana | 88,286 | 2020 | |
| 150. | The Gambia | 88,235 | 2020 | |
| 151. | Mauritius | 88,218 | 2020 | |
| 152. | Estonia | 79,706 | 2020 | |
| 153. | Guinea-Bissau | 78,589 | 2020 | |
| 154. | Gaza Strip | 76,990 | 2020 | |
| 155. | Trinidad and Tobago | 75,072 | 2020 | |
| 156. | Lesotho | 69,950 | 2020 | |
| 157. | East Timor | 64,325 | 2020 | |
| 158. | Gabon | 59,196 | 2020 | |
| 159. | Fiji | 52,543 | 2020 | |
| 160. | Montenegro | 49,209 | 2020 | |
| 161. | Swaziland | 49,030 | 2020 | |
| 162. | Macau | 46,902 | 2020 | |
| 163. | Guyana | 43,016 | 2020 | |
| 164. | Bhutan | 42,564 | 2020 | |
| 165. | Djibouti | 42,326 | 2020 | |
| 166. | Comoros | 41,602 | 2020 | |
| 167. | Suriname | 39,642 | 2020 | |
| 168. | Luxembourg | 36,642 | 2020 | |
| 169. | Solomon Islands | 35,512 | 2020 | |
| 170. | Equatorial Guinea | 34,131 | 2020 | |
| 171. | Brunei | 29,678 | 2020 | |
| 172. | Western Sahara | 28,437 | 2020 | |
| 173. | Cape Verde | 27,459 | 2020 | |
| 174. | Malta | 27,158 | 2020 | |
| 175. | The Bahamas | 24,307 | 2020 | |
| 176. | Barbados | 21,670 | 2020 | |
| 177. | Maldives | 21,502 | 2020 | |
| 178. | Iceland | 21,336 | 2020 | |
| 179. | New Caledonia | 20,423 | 2020 | |
| 180. | French Polynesia | 20,071 | 2020 | |
| 181. | Belize | 16,405 | 2020 | |
| 182. | Vanuatu | 14,452 | 2020 | |
| 183. | Guam | 12,449 | 2020 | |
| 184. | Saint Lucia | 11,993 | 2020 | |
| 185. | Mayotte | 10,780 | 2020 | |
| 186. | Samoa | 10,579 | 2020 | |
| 187. | Andorra | 8,322 | 2020 | |
| 188. | Sao Tome and Principe | 8,230 | 2020 | |
| 189. | Netherlands Antilles | 8,157 | 2020 | |
| 190. | Seychelles | 8,037 | 2020 | |
| 191. | Aruba | 7,916 | 2020 | |
| 192. | U.S. Virgin Islands | 7,011 | 2020 | |
| 193. | Saint Vincent and the Grenadines | 6,929 | 2020 | |
| 194. | Grenada | 6,746 | 2020 | |
| 195. | Antigua and Barbuda | 6,494 | 2020 | |
| 196. | Isle of Man | 6,434 | 2020 | |
| 197. | Federated States of Micronesia | 5,709 | 2020 | |
| 198. | Channel Islands | 5,431 | 2020 | |
| 199. | Tonga | 5,198 | 2020 | |
| 200. | Kiribati | 5,047 | 2020 |
