| Rank | Country | Population | Year | |
|---|---|---|---|---|
| 101. | Slovakia | 453,907 | 2017 (Est.) | |
| 102. | Singapore | 448,322 | 2017 (Est.) | |
| 103. | Chad | 442,943 | 2017 (Est.) | |
| 104. | Paraguay | 437,149 | 2017 (Est.) | |
| 105. | Papua New Guinea | 421,158 | 2017 (Est.) | |
| 106. | Jordan | 400,194 | 2017 (Est.) | |
| 107. | Ireland | 389,432 | 2017 (Est.) | |
| 108. | El Salvador | 381,864 | 2017 (Est.) | |
| 109. | Laos | 378,315 | 2017 (Est.) | |
| 110. | Denmark | 376,897 | 2017 (Est.) | |
| 111. | Togo | 368,772 | 2017 (Est.) | |
| 112. | Nicaragua | 356,037 | 2017 (Est.) | |
| 113. | Eritrea | 349,822 | 2017 (Est.) | |
| 114. | Kyrgyzstan | 346,076 | 2017 (Est.) | |
| 115. | Bosnia and Herzegovina | 345,205 | 2017 (Est.) | |
| 116. | Turkmenistan | 339,971 | 2017 (Est.) | |
| 117. | Costa Rica | 330,283 | 2017 (Est.) | |
| 118. | Norway | 314,565 | 2017 (Est.) | |
| 119. | Finland | 312,954 | 2017 (Est.) | |
| 120. | Croatia | 305,778 | 2017 (Est.) | |
| 121. | Georgia | 290,577 | 2017 (Est.) | |
| 122. | Lebanon | 288,489 | 2017 (Est.) | |
| 123. | Sierra Leone | 288,291 | 2017 (Est.) | |
| 124. | New Zealand | 288,261 | 2017 (Est.) | |
| 125. | Qatar | 275,584 | 2017 (Est.) | |
| 126. | Puerto Rico | 266,627 | 2017 (Est.) | |
| 127. | Panama | 249,011 | 2017 (Est.) | |
| 128. | Central African Republic | 248,683 | 2017 (Est.) | |
| 129. | Lithuania | 246,558 | 2017 (Est.) | |
| 130. | Mongolia | 245,096 | 2017 (Est.) | |
| 131. | Moldova | 243,533 | 2017 (Est.) | |
| 132. | Kuwait | 232,874 | 2017 (Est.) | |
| 133. | Uruguay | 221,792 | 2017 (Est.) | |
| 134. | Oman | 217,274 | 2017 (Est.) | |
| 135. | Armenia | 203,924 | 2017 (Est.) | |
| 136. | Republic of Congo | 199,001 | 2017 (Est.) | |
| 137. | Liberia | 195,191 | 2017 (Est.) | |
| 138. | Mauritania | 179,964 | 2017 (Est.) | |
| 139. | Albania | 171,139 | 2017 (Est.) | |
| 140. | West Bank | 167,957 | 2017 (Est.) | |
| 141. | Jamaica | 157,502 | 2017 (Est.) | |
| 142. | Macedonia | 155,014 | 2017 (Est.) | |
| 143. | Slovenia | 150,234 | 2017 (Est.) | |
| 144. | Latvia | 149,641 | 2017 (Est.) | |
| 145. | Bahrain | 137,334 | 2017 (Est.) | |
| 146. | Kosovo | 115,827 | 2017 (Est.) | |
| 147. | Botswana | 109,926 | 2017 (Est.) | |
| 148. | Namibia | 108,539 | 2017 (Est.) | |
| 149. | The Gambia | 102,217 | 2017 (Est.) | |
| 150. | Mauritius | 97,353 | 2017 (Est.) | |
| 151. | Lesotho | 92,574 | 2017 (Est.) | |
| 152. | Cyprus | 88,799 | 2017 (Est.) | |
| 153. | Guinea-Bissau | 86,475 | 2017 (Est.) | |
| 154. | Gaza Strip | 84,981 | 2017 (Est.) | |
| 155. | Estonia | 81,198 | 2017 (Est.) | |
| 156. | Trinidad and Tobago | 79,910 | 2017 (Est.) | |
| 157. | Gabon | 64,970 | 2017 (Est.) | |
| 158. | East Timor | 62,642 | 2017 (Est.) | |
| 159. | Swaziland | 60,524 | 2017 (Est.) | |
| 160. | Fiji | 57,931 | 2017 (Est.) | |
| 161. | Montenegro | 52,618 | 2017 (Est.) | |
| 162. | Djibouti | 47,700 | 2017 (Est.) | |
| 163. | Bhutan | 47,491 | 2017 (Est.) | |
| 164. | Macau | 45,717 | 2017 (Est.) | |
| 165. | Guyana | 44,477 | 2017 (Est.) | |
| 166. | Comoros | 44,279 | 2017 (Est.) | |
| 167. | Suriname | 39,373 | 2017 (Est.) | |
| 168. | Solomon Islands | 39,145 | 2017 (Est.) | |
| 169. | Equatorial Guinea | 36,621 | 2017 (Est.) | |
| 170. | Luxembourg | 35,337 | 2017 (Est.) | |
| 171. | Brunei | 33,665 | 2017 (Est.) | |
| 172. | Cape Verde | 30,686 | 2017 (Est.) | |
| 173. | Western Sahara | 30,520 | 2017 (Est.) | |
| 174. | Malta | 28,674 | 2017 (Est.) | |
| 175. | The Bahamas | 25,072 | 2017 (Est.) | |
| 176. | Maldives | 24,793 | 2017 (Est.) | |
| 177. | Iceland | 21,648 | 2017 (Est.) | |
| 178. | Barbados | 21,289 | 2017 (Est.) | |
| 179. | New Caledonia | 20,657 | 2017 (Est.) | |
| 180. | French Polynesia | 20,040 | 2017 (Est.) | |
| 181. | Belize | 17,890 | 2017 (Est.) | |
| 182. | Vanuatu | 15,849 | 2017 (Est.) | |
| 183. | Mayotte | 12,304 | 2017 (Est.) | |
| 184. | Guam | 12,022 | 2017 (Est.) | |
| 185. | Saint Lucia | 11,825 | 2017 (Est.) | |
| 186. | Samoa | 11,459 | 2017 (Est.) | |
| 187. | Sao Tome and Principe | 9,670 | 2017 (Est.) | |
| 188. | Andorra | 8,224 | 2017 (Est.) | |
| 189. | Seychelles | 8,106 | 2017 (Est.) | |
| 190. | Netherlands Antilles | 7,666 | 2017 (Est.) | |
| 191. | Aruba | 7,534 | 2017 (Est.) | |
| 192. | Saint Vincent and the Grenadines | 7,225 | 2017 (Est.) | |
| 193. | Grenada | 7,042 | 2017 (Est.) | |
| 194. | Antigua and Barbuda | 6,464 | 2017 (Est.) | |
| 195. | U.S. Virgin Islands | 6,423 | 2017 (Est.) | |
| 196. | Federated States of Micronesia | 6,416 | 2017 (Est.) | |
| 197. | Isle of Man | 5,705 | 2017 (Est.) | |
| 198. | Kiribati | 5,427 | 2017 (Est.) | |
| 199. | Turks and Caicos Islands | 5,409 | 2017 (Est.) | |
| 200. | Tonga | 5,050 | 2017 (Est.) |