Population ages 15-64, total, per square kilometre by country
Population ages 15-64, total divided by Land area (sq. km), matched on country and year. Neither publisher issues this ratio as a series; it is computed here from both.
What the numbers show
Population ages 15-64, total, per square kilometre is currently reported for 215 countries. The highest value is 14,898 units per square kilometre in Macau, China; the lowest is 0.0957 units per square kilometre in Greenland.
The median across all reporting countries is 61.56 units per square kilometre, and the mean is 295.55 units per square kilometre.
Over the past decade 160 countries rose and 55 fell. The largest increase was in Uganda (up 50.7%), and the largest decrease in Saint Martin (French part) (down 31.8%).
Population ages 15-64, total, per square kilometre: full country ranking
| # | Country | Latest | Year | 10-year change | Trend |
|---|---|---|---|---|---|
| 1 | Macau, China | 14,898 units per square kilometre | 2023 | down 4.3% | rising |
| 2 | Monaco | 9,433 units per square kilometre | 2023 | down 3.1% | rising |
| 3 | Singapore | 6,191 units per square kilometre | 2023 | up 3.0% | rising |
| 4 | Hong Kong, China | 4,856 units per square kilometre | 2023 | down 4.1% | rising |
| 5 | Gibraltar | 2,490 units per square kilometre | 2023 | up 17.9% | rising |
| 6 | Bahrain | 1,525 units per square kilometre | 2023 | up 20.5% | volatile |
| 7 | Maldives | 1,334 units per square kilometre | 2023 | up 39.0% | volatile |
| 8 | Malta | 1,158 units per square kilometre | 2023 | up 28.0% | rising |
| 9 | Sint Maarten | 892.59 units per square kilometre | 2023 | up 16.2% | rising |
| 10 | Bangladesh | 861.67 units per square kilometre | 2023 | up 13.8% | rising |
| 11 | Bermuda | 781.3 units per square kilometre | 2023 | down 3.6% | rising |
| 12 | Palestine, State of | 495.81 units per square kilometre | 2023 | up 30.3% | rising |
| 13 | Mauritius | 449.78 units per square kilometre | 2023 | down 1.2% | rising |
| 14 | Barbados | 436.11 units per square kilometre | 2023 | down 0.6% | rising |
| 15 | Aruba | 396.31 units per square kilometre | 2023 | down 3.4% | rising |
| 16 | Republic of Korea | 374.57 units per square kilometre | 2023 | down 1.2% | rising |
| 17 | San Marino | 370.33 units per square kilometre | 2023 | up 0.5% | rising |
| 18 | Lebanon | 358.15 units per square kilometre | 2023 | down 6.2% | rising |
| 19 | Naoero | 351.15 units per square kilometre | 2023 | up 10.0% | rising |
| 20 | Netherlands | 343.38 units per square kilometre | 2023 | up 4.2% | rising |
| 21 | Saint Martin (French part) | 339.34 units per square kilometre | 2023 | down 31.8% | falling |
| 22 | Rwanda | 330.6 units per square kilometre | 2023 | up 32.5% | rising |
| 23 | India | 329 units per square kilometre | 2023 | up 16.4% | rising |
| 24 | Burundi | 277.87 units per square kilometre | 2023 | up 32.2% | rising |
| 25 | Israel | 272.94 units per square kilometre | 2023 | up 19.7% | rising |
| 26 | Haiti | 269.44 units per square kilometre | 2023 | up 19.3% | rising |
| 27 | Comoros | 265.61 units per square kilometre | 2023 | up 27.5% | rising |
| 28 | Philippines | 254.81 units per square kilometre | 2023 | up 20.0% | rising |
| 29 | Belgium | 245.55 units per square kilometre | 2023 | up 2.2% | rising |
| 30 | Curaçao | 238.51 units per square kilometre | 2023 | up 1.7% | flat |
| 31 | Grenada | 235.14 units per square kilometre | 2023 | up 5.0% | rising |
| 32 | Sri Lanka | 234.76 units per square kilometre | 2023 | up 7.3% | rising |
| 33 | Puerto Rico | 230.27 units per square kilometre | 2023 | down 13.9% | rising |
| 34 | Cayman Islands | 228.75 units per square kilometre | 2023 | up 22.8% | volatile |
| 35 | Viet Nam | 216.99 units per square kilometre | 2023 | up 7.3% | rising |
| 36 | Saint Lucia | 214.06 units per square kilometre | 2023 | up 7.4% | rising |
| 37 | Kuwait | 213.65 units per square kilometre | 2023 | up 42.9% | volatile |
| 38 | El Salvador | 203.39 units per square kilometre | 2023 | up 8.7% | rising |
| 39 | Japan | 200.79 units per square kilometre | 2023 | down 6.6% | rising |
| 40 | Tuvalu | 200 units per square kilometre | 2023 | down 12.4% | rising |
| 41 | British Virgin Islands | 196.64 units per square kilometre | 2023 | up 27.0% | volatile |
| 42 | Qatar | 192.48 units per square kilometre | 2023 | up 38.4% | volatile |
| 43 | Jamaica | 191.43 units per square kilometre | 2023 | up 7.9% | rising |
| 44 | Guam | 190.75 units per square kilometre | 2023 | down 5.6% | rising |
| 45 | Pakistan | 188.68 units per square kilometre | 2023 | up 20.3% | volatile |
| 46 | Trinidad and Tobago | 186.92 units per square kilometre | 2023 | down 2.0% | rising |
| 47 | Seychelles | 186.25 units per square kilometre | 2023 | up 33.8% | rising |
| 48 | United States Virgin Islands | 183.57 units per square kilometre | 2023 | down 7.2% | rising |
| 49 | United Kingdom of Great Britain and Northern Ireland | 179.44 units per square kilometre | 2023 | up 4.3% | rising |
| 50 | Luxembourg | 178.81 units per square kilometre | 2023 | up 22.7% | rising |
| 51 | Saint Vincent and the Grenadines | 173.52 units per square kilometre | 2023 | down 5.8% | rising |
| 52 | Liechtenstein | 163.09 units per square kilometre | 2023 | up 1.8% | rising |
| 53 | American Samoa | 154.29 units per square kilometre | 2023 | down 8.8% | rising |
| 54 | Dominican Republic | 154 units per square kilometre | 2023 | up 12.7% | rising |
| 55 | Korea, Democratic People's Republic of | 151.37 units per square kilometre | 2023 | up 4.3% | rising |
| 56 | Germany | 150.86 units per square kilometre | 2023 | down 1.0% | rising |
| 57 | Gambia | 150.06 units per square kilometre | 2023 | up 35.1% | volatile |
| 58 | Antigua and Barbuda | 149.61 units per square kilometre | 2023 | up 6.4% | rising |
| 59 | Switzerland | 147.09 units per square kilometre | 2023 | up 6.3% | rising |
| 60 | Sao Tome and Principe | 139.13 units per square kilometre | 2023 | up 27.1% | rising |
| 61 | Nigeria | 138.82 units per square kilometre | 2023 | up 32.9% | rising |
| 62 | Nepal | 134.49 units per square kilometre | 2023 | up 15.2% | rising |
| 63 | Marshall Islands | 131.39 units per square kilometre | 2023 | down 20.6% | rising |
| 64 | Uganda | 130.82 units per square kilometre | 2023 | up 50.7% | volatile |
| 65 | Saint Kitts and Nevis | 127.63 units per square kilometre | 2023 | down 0.5% | rising |
| 66 | Italy | 126.93 units per square kilometre | 2023 | down 3.9% | rising |
| 67 | Malawi | 125.56 units per square kilometre | 2023 | up 44.2% | volatile |
| 68 | Andorra | 124.44 units per square kilometre | 2023 | up 8.5% | rising |
| 69 | United Arab Emirates | 121 units per square kilometre | 2023 | up 36.7% | volatile |
| 70 | Guatemala | 106.77 units per square kilometre | 2023 | up 27.2% | rising |
| 71 | China | 103.82 units per square kilometre | 2023 | down 1.2% | rising |
| 72 | Cyprus | 101.34 units per square kilometre | 2023 | up 10.2% | rising |
| 73 | Indonesia | 101.06 units per square kilometre | 2023 | up 11.3% | rising |
| 74 | Micronesia, Federated States of | 99.98 units per square kilometre | 2023 | up 4.9% | rising |
| 75 | Kiribati | 99.73 units per square kilometre | 2023 | up 17.0% | rising |
| 76 | Thailand | 98.51 units per square kilometre | 2023 | up 0.5% | rising |
| 77 | Denmark | 94.46 units per square kilometre | 2023 | up 4.1% | rising |
| 78 | Isle of Man | 92.68 units per square kilometre | 2023 | down 2.5% | rising |
| 79 | Czechia | 89.79 units per square kilometre | 2023 | down 3.0% | flat |
| 80 | Ghana | 89.38 units per square kilometre | 2023 | up 28.5% | volatile |
| 81 | Cape Verde | 86.9 units per square kilometre | 2023 | up 4.7% | rising |
| 82 | Azerbaijan | 85.56 units per square kilometre | 2023 | up 4.8% | rising |
| 83 | Tonga | 83.93 units per square kilometre | 2023 | down 0.9% | rising |
| 84 | Togo | 83.57 units per square kilometre | 2023 | up 25.4% | rising |
| 85 | Syrian Arab Republic | 83.49 units per square kilometre | 2023 | up 21.5% | volatile |
| 86 | Jordan | 83.03 units per square kilometre | 2023 | up 49.7% | volatile |
| 87 | Poland | 78.27 units per square kilometre | 2023 | down 10.6% | rising |
| 88 | France | 77.98 units per square kilometre | 2023 | up 0.1% | rising |
| 89 | Türkiye | 75.57 units per square kilometre | 2023 | up 12.5% | rising |
| 90 | Malaysia | 75.12 units per square kilometre | 2023 | up 20.2% | volatile |
| 91 | Slovakia | 74.54 units per square kilometre | 2023 | down 7.2% | flat |
| 92 | Portugal | 72.74 units per square kilometre | 2023 | down 2.9% | rising |
| 93 | Austria | 72.52 units per square kilometre | 2023 | up 4.7% | rising |
| 94 | Cuba | 72.5 units per square kilometre | 2023 | down 3.5% | rising |
| 95 | Egypt | 72.02 units per square kilometre | 2023 | up 21.3% | rising |
| 96 | Armenia | 70.69 units per square kilometre | 2023 | down 4.4% | flat |
| 97 | Costa Rica | 68.94 units per square kilometre | 2023 | up 9.1% | rising |
| 98 | Benin | 68.92 units per square kilometre | 2023 | up 36.0% | volatile |
| 99 | Sierra Leone | 68.29 units per square kilometre | 2023 | up 35.3% | rising |
| 100 | Hungary | 68 units per square kilometre | 2023 | down 8.6% | falling |
| 101 | Northern Mariana Islands | 67.4 units per square kilometre | 2023 | down 16.5% | falling |
| 102 | Slovenia | 67.13 units per square kilometre | 2023 | down 3.9% | flat |
| 103 | Ethiopia | 65.53 units per square kilometre | 2023 | up 41.4% | rising |
| 104 | Spain | 63.95 units per square kilometre | 2023 | up 2.3% | rising |
| 105 | Brunei Darussalam | 63.11 units per square kilometre | 2023 | up 12.7% | volatile |
| 106 | Cambodia | 63.1 units per square kilometre | 2023 | up 15.6% | rising |
| 107 | Iraq | 61.79 units per square kilometre | 2023 | up 35.3% | volatile |
| 108 | Honduras | 61.56 units per square kilometre | 2023 | up 27.9% | volatile |
| 109 | Dominica | 61.32 units per square kilometre | 2023 | down 2.1% | rising |
| 110 | Albania | 58.67 units per square kilometre | 2023 | down 16.6% | rising |
| 111 | Kenya | 56.82 units per square kilometre | 2023 | up 30.9% | volatile |
| 112 | Myanmar | 56.73 units per square kilometre | 2023 | up 9.3% | rising |
| 113 | French Polynesia | 56.32 units per square kilometre | 2023 | up 4.3% | rising |
| 114 | Timor-Leste | 56.26 units per square kilometre | 2023 | up 32.3% | rising |
| 115 | Morocco | 55.89 units per square kilometre | 2023 | up 11.9% | rising |
| 116 | Côte d'Ivoire | 55.04 units per square kilometre | 2023 | up 32.1% | volatile |
| 117 | Senegal | 54.25 units per square kilometre | 2023 | up 41.8% | rising |
| 118 | Romania | 53.33 units per square kilometre | 2023 | down 9.5% | flat |
| 119 | Tunisia | 52.14 units per square kilometre | 2023 | up 5.5% | rising |
| 120 | Uzbekistan | 51.32 units per square kilometre | 2023 | up 11.9% | rising |
| 121 | Greece | 50.81 units per square kilometre | 2023 | down 8.2% | rising |
| 122 | Ireland | 50.46 units per square kilometre | 2023 | up 13.8% | rising |
| 123 | Serbia | 49.87 units per square kilometre | 2023 | down 10.2% | falling |
| 124 | Ecuador | 48.43 units per square kilometre | 2023 | up 19.5% | rising |
| 125 | Republic of Moldova | 48.06 units per square kilometre | 2023 | down 23.2% | falling |
| 126 | North Macedonia | 47.42 units per square kilometre | 2023 | down 9.8% | falling |
| 127 | Lesotho | 46.63 units per square kilometre | 2023 | up 15.7% | rising |
| 128 | Burkina Faso | 46.27 units per square kilometre | 2023 | up 38.3% | rising |
| 129 | Tajikistan | 44.8 units per square kilometre | 2023 | up 26.1% | rising |
| 130 | Mexico | 44.78 units per square kilometre | 2023 | up 13.3% | rising |
| 131 | Eswatini | 44.49 units per square kilometre | 2023 | up 14.5% | rising |
| 132 | Guinea-Bissau | 44.12 units per square kilometre | 2023 | up 34.1% | rising |
| 133 | Ukraine | 43.73 units per square kilometre | 2023 | down 22.4% | falling |
| 134 | Croatia | 43.48 units per square kilometre | 2023 | down 13.8% | falling |
| 135 | Samoa | 43.31 units per square kilometre | 2023 | up 8.4% | rising |
| 136 | Yemen | 41.98 units per square kilometre | 2023 | up 37.7% | volatile |
| 137 | Tanzania, United Republic of | 40.79 units per square kilometre | 2023 | up 41.9% | volatile |
| 138 | Bosnia and Herzegovina | 40.52 units per square kilometre | 2023 | down 16.6% | falling |
| 139 | Panama | 39.47 units per square kilometre | 2023 | up 18.4% | rising |
| 140 | Equatorial Guinea | 38.79 units per square kilometre | 2023 | up 38.3% | volatile |
| 141 | Iran, Islamic Republic of | 38.67 units per square kilometre | 2023 | up 10.1% | rising |
| 142 | Bulgaria | 37.78 units per square kilometre | 2023 | down 14.5% | falling |
| 143 | Nicaragua | 37.09 units per square kilometre | 2023 | up 19.3% | rising |
| 144 | Turks and Caicos Islands | 35.44 units per square kilometre | 2023 | up 38.6% | volatile |
| 145 | South Africa | 35.12 units per square kilometre | 2023 | up 18.0% | rising |
| 146 | Afghanistan | 34.57 units per square kilometre | 2023 | up 41.2% | volatile |
| 147 | Georgia | 34.03 units per square kilometre | 2023 | down 5.6% | falling |
| 148 | Fiji | 33.52 units per square kilometre | 2023 | up 2.7% | rising |
| 149 | Cameroon | 33.29 units per square kilometre | 2023 | up 37.3% | volatile |
| 150 | Colombia | 33.02 units per square kilometre | 2023 | up 17.1% | rising |
| 151 | Djibouti | 32.67 units per square kilometre | 2023 | up 26.1% | volatile |
| 152 | Guinea | 32.43 units per square kilometre | 2023 | up 35.2% | rising |
| 153 | Liberia | 32.35 units per square kilometre | 2023 | up 28.4% | rising |
| 154 | Madagascar | 30.61 units per square kilometre | 2023 | up 35.5% | volatile |
| 155 | Belarus | 29.96 units per square kilometre | 2023 | down 8.8% | falling |
| 156 | Lithuania | 29.93 units per square kilometre | 2023 | down 5.4% | falling |
| 157 | Montenegro | 29.76 units per square kilometre | 2023 | down 4.9% | flat |
| 158 | Bahamas | 28 units per square kilometre | 2023 | up 8.5% | rising |
| 159 | Palau | 27.21 units per square kilometre | 2023 | down 2.7% | rising |
| 160 | Faroe Islands | 24.66 units per square kilometre | 2023 | up 13.7% | rising |
| 161 | United States of America | 23.92 units per square kilometre | 2023 | up 3.3% | rising |
| 162 | Congo, Democratic Republic of the | 23.73 units per square kilometre | 2023 | up 39.4% | volatile |
| 163 | Zimbabwe | 23.26 units per square kilometre | 2023 | up 21.1% | rising |
| 164 | Kyrgyzstan | 22.91 units per square kilometre | 2023 | up 18.4% | rising |
| 165 | Mozambique | 22.45 units per square kilometre | 2023 | up 37.0% | rising |
| 166 | Lao People's Democratic Republic | 21.56 units per square kilometre | 2023 | up 22.0% | rising |
| 167 | Venezuela, Bolivarian Republic of | 20.7 units per square kilometre | 2023 | down 6.0% | rising |
| 168 | Estonia | 20.24 units per square kilometre | 2023 | up 1.1% | falling |
| 169 | Latvia | 19.06 units per square kilometre | 2023 | down 11.4% | falling |
| 170 | Chile | 18.24 units per square kilometre | 2023 | up 11.4% | rising |
| 171 | Peru | 17.62 units per square kilometre | 2023 | up 18.2% | rising |
| 172 | Brazil | 17.54 units per square kilometre | 2023 | up 6.5% | rising |
| 173 | Solomon Islands | 16.87 units per square kilometre | 2023 | up 41.4% | volatile |
| 174 | Eritrea | 16.37 units per square kilometre | 2023 | up 18.9% | rising |
| 175 | Sweden | 16.1 units per square kilometre | 2023 | up 7.1% | rising |
| 176 | Zambia | 15.65 units per square kilometre | 2023 | up 43.9% | volatile |
| 177 | Angola | 15.51 units per square kilometre | 2023 | up 41.9% | volatile |
| 178 | Sudan | 15.04 units per square kilometre | 2023 | up 40.2% | rising |
| 179 | Vanuatu | 15.03 units per square kilometre | 2023 | up 23.6% | rising |
| 180 | Bhutan | 14.88 units per square kilometre | 2023 | up 17.2% | rising |
| 181 | Somalia | 14.85 units per square kilometre | 2023 | up 45.2% | volatile |
| 182 | Papua New Guinea | 14.42 units per square kilometre | 2023 | up 30.0% | volatile |
| 183 | New Zealand | 12.8 units per square kilometre | 2023 | up 15.9% | rising |
| 184 | Uruguay | 12.68 units per square kilometre | 2023 | up 3.6% | rising |
| 185 | Belize | 12.29 units per square kilometre | 2023 | up 30.7% | volatile |
| 186 | Algeria | 12.21 units per square kilometre | 2023 | up 13.1% | rising |
| 187 | Oman | 11.76 units per square kilometre | 2023 | up 25.8% | volatile |
| 188 | Saudi Arabia | 11.46 units per square kilometre | 2023 | up 24.1% | volatile |
| 189 | Finland | 11.3 units per square kilometre | 2023 | down 2.2% | rising |
| 190 | Paraguay | 11.21 units per square kilometre | 2023 | up 16.8% | rising |
| 191 | Argentina | 10.92 units per square kilometre | 2023 | up 9.5% | rising |
| 192 | New Caledonia | 10.69 units per square kilometre | 2023 | up 5.5% | rising |
| 193 | Niger | 10.42 units per square kilometre | 2023 | up 48.0% | volatile |
| 194 | South Sudan | 10.4 units per square kilometre | 2023 | up 5.9% | flat |
| 195 | Congo | 10.18 units per square kilometre | 2023 | up 27.8% | volatile |
| 196 | Turkmenistan | 10.04 units per square kilometre | 2023 | up 18.9% | rising |
| 197 | Mali | 9.96 units per square kilometre | 2023 | up 40.9% | rising |
| 198 | Norway | 9.84 units per square kilometre | 2023 | up 7.3% | rising |
| 199 | Chad | 7.85 units per square kilometre | 2023 | up 46.6% | volatile |
| 200 | Bolivia, Plurinational State of | 7.27 units per square kilometre | 2023 | up 20.6% | rising |
| 201 | Russian Federation | 5.79 units per square kilometre | 2023 | down 7.2% | flat |
| 202 | Gabon | 5.72 units per square kilometre | 2023 | up 30.3% | volatile |
| 203 | Kazakhstan | 4.68 units per square kilometre | 2023 | up 7.6% | rising |
| 204 | Central African Republic | 4.03 units per square kilometre | 2023 | up 7.1% | rising |
| 205 | Canada | 2.98 units per square kilometre | 2023 | up 11.1% | rising |
| 206 | Botswana | 2.79 units per square kilometre | 2023 | up 18.7% | volatile |
| 207 | Libya | 2.79 units per square kilometre | 2023 | up 21.0% | rising |
| 208 | Mauritania | 2.62 units per square kilometre | 2023 | up 38.8% | volatile |
| 209 | Suriname | 2.6 units per square kilometre | 2023 | up 13.7% | rising |
| 210 | Iceland | 2.55 units per square kilometre | 2023 | up 18.9% | rising |
| 211 | Guyana | 2.51 units per square kilometre | 2023 | up 2.7% | rising |
| 212 | Australia | 2.24 units per square kilometre | 2023 | up 11.5% | rising |
| 213 | Namibia | 2.13 units per square kilometre | 2023 | up 29.9% | volatile |
| 214 | Mongolia | 1.4 units per square kilometre | 2023 | up 10.7% | rising |
| 215 | Greenland | 0.0957 units per square kilometre | 2023 | down 2.2% | rising |
Regions and income groups
Aggregates are excluded from the country ranking above so that a region can never outrank a country.
- Chagai 556.65 units per square kilometre
- South Asia 336.13 units per square kilometre
- South Asia (IDA & IBRD) 336.13 units per square kilometre
- Euro area 79.88 units per square kilometre
- Lower middle income 97.32 units per square kilometre
- European Union 71.78 units per square kilometre
- East Asia & Pacific (excluding high income) 91.71 units per square kilometre
- East Asia & Pacific (IDA & IBRD countries) 91.25 units per square kilometre
- IDA blend 77.99 units per square kilometre
- Early-demographic dividend 69.41 units per square kilometre
- East Asia & Pacific 66.47 units per square kilometre
- Middle income 61.97 units per square kilometre
- Central Europe and the Baltics 58.61 units per square kilometre
- Low & middle income 55.45 units per square kilometre
- IBRD only 47.39 units per square kilometre
- Upper middle income 46.95 units per square kilometre
- IDA & IBRD total 46.39 units per square kilometre
- Middle East, North Africa, Afghanistan & Pakistan (excluding high income) 44.6 units per square kilometre
- Middle East, North Africa, Afghanistan & Pakistan (IDA & IBRD) 44.33 units per square kilometre
- IDA total 43.59 units per square kilometre
- World 40.37 units per square kilometre
- Middle East, North Africa, Afghanistan & Pakistan 39.47 units per square kilometre
- Late-demographic dividend 35.87 units per square kilometre
- IDA only 35.3 units per square kilometre
- Least developed countries 32.66 units per square kilometre
- Africa Western and Central 31.07 units per square kilometre
- Other small states 30.81 units per square kilometre
- Sub-Saharan Africa 29.39 units per square kilometre
- Sub-Saharan Africa (IDA & IBRD countries) 29.39 units per square kilometre
- Sub-Saharan Africa (excluding high income) 29.38 units per square kilometre
- Pre-demographic dividend 29.04 units per square kilometre
- Africa Eastern and Southern 28.36 units per square kilometre
- Europe & Central Asia (excluding high income) 27.73 units per square kilometre
- Low income 27.36 units per square kilometre
- Heavily indebted poor countries (HIPC) 26.06 units per square kilometre
- Pacific island small states 25.7 units per square kilometre
- OECD members 25.46 units per square kilometre
- Arab World 23.09 units per square kilometre
- Post-demographic dividend 23.09 units per square kilometre
- Latin America & Caribbean (excluding high income) 22.25 units per square kilometre
How this figure is calculated
Population ages 15-64, total divided by Land area (sq. km), matched on country and year. Neither publisher issues this ratio as a series; it is computed here from both.
Population ages 15-64, total ÷ Land area (sq. km)
Computed from
- Population ages 15-64, total World Population Prospects, United Nations (UN), publisher: UN Population Division
- Land area FAOSTAT, Food and Agriculture Organization of the United Nations (FAO)
Statizoid computes this series; the underlying measurements belong to the publishers named above. The arithmetic is applied to every country and year where both inputs report, and nothing is estimated unless the page says so.
About this data
Population ages 15-64, total divided by Land area (sq. km), matched on country and year. Neither publisher issues this ratio as a series; it is computed here from both.