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The following is a list of islands, sorted by population density, and including islands that are connected to other land masses by a route other than sea or air, such as a bridge or a tunnel.
Continental landmasses are not usually classified as islands despite being completely surrounded by water. Nevertheless, for the purposes of this list, mainland Australia along with the other major landmasses have been listed as continental landmasses for comparison. The figures are approximations and are for the four major continental landmasses only. [Note 1]
| Rank | Continental landmass [Note 2] | Area | Population | Population density | ||
|---|---|---|---|---|---|---|
| km2 | sq mi | per km2 | per sq mi | |||
| 1 | Afro-Eurasia | 79,810,726 | 30,815,094 [Note 3] | 6.7 billion (2019) | 78.5 | 203 |
| 2 | Americas | 37,699,623 | 14,555,906 [Note 4] | 1.02 billion [3] | 22.67 | 58.7 |
| 3 | Australia [Note 5] | 7,591,608 | 2,931,136 [Note 6] | 25,887,383 | 3.41 | 8.8 |
| 4 | Antarctica | 12,272,800 | 4,738,600 [Note 7] | 1,300 to 5,100 (seasonal) | 0.00009 to 0.00036 | 0.00023 to 0.00093 (seasonal) |
Accurate density estimates for the very small islands (less than 1 square kilometre or 0.39 square miles) are hard to obtain because population as well as landmass are often only estimates. Additionally, the populations of these islands are often highly transient, with many residents also maintaining a residence on a larger landmass and only living on the island seasonally.
These archipelagos have a density of over 1,000 people/km2 (2,600 people/sq mi), meaning at least one island must have over 1,000 people/km2 (2,600 people/sq mi). However, there is no available data for the individual islands.
| Archipelago | Country/Territory | Number of islands | Population | Area | Density | ||
|---|---|---|---|---|---|---|---|
| km2 | sq mi | per km2 | per sq mi | ||||
| Thousand Islands |  Indonesia | 342 | 27,749 (2020) | 10.18 | 3.93 | 2,726 | 7,060 |
| Amwaj Islands |  Bahrain | 9 | 10,000 (2010) | 4.31 | 1.66 | 2,320 | 6,000 |
| Balabalagan Islands | Indonesia | 14 | 2,201 (2020) | 1.47 | 0.57 | 1,497 | 3,880 |
| Bermuda |  Bermuda | 181 | 63,913 (2019 estimate) | 53.2 | 20.5 | 1,201 | 3,110 |
| Dongshan |  China | 44 | 200,000 | 194 | 75 | 1,031 | 2,670 |
| Island | Country | Population | Area | Density | Year | Refs | ||
|---|---|---|---|---|---|---|---|---|
| km2 | sq mi | per km2 | per sq mi | |||||
| Cebu |  Philippines | 3,979,155 | 4,467.5 | 1,724.9 | 890 | 2,300 | 2015 | |
| Mauritius |  Mauritius | 1,263,089 | 1,865 | 720 | 680 | 1,800 | 2012 | |
| Taiwan |  Taiwan | 23,000,000 | 35,801 | 13,823 | 642 | 1,660 | 2008 | |
| Ambon Island | Indonesia | 501,364 | 803.9 | 310.4 | 624 | 1,620 | 2014 | |
| Aquidneck Island, Rhode Island |  United States | 60,870 | 98 | 38 | 621 | 1,610 | 2000 | |
| Unguja |  Tanzania | 896,721 | 643 | 248 | 538 | 1,390 | ||
| Nauru |  Nauru | 10,084 | 21 | 8.1 | 480 | 1,200 | 2011 | |
| Luzon | Philippines | 48,520,774 | 104,688 | 40,420 | 463 | 1,200 | 2010 | [31] [32] [33] |
| Tenerife |  Spain | 931,646 | 2,034 | 785 | 457 | 1,180 | 2022 | |
| Honshū |  Japan | 103,000,000 | 230,500 | 89,000 | 447 | 1,160 | 2005 | [34] |
| Lamma Island |  Hong Kong | 5,500 | 13.74 | 5.31 | 400 | 1,000 | 2007 | |
| Kyūshū | Japan | 13,231,995 | 35,640 | 13,760 | 371 | 960 | ||
| Puerto Rico |  Puerto Rico | 3,205,691 | 8,868 | 3,424 | 361.4 | 936 | 2023 | |
| Réunion |  France | 885,700 | 2,511 | 970 | 353 | 910 | 2013 | |
| Madeira |  Portugal | 245,595 | 741 | 286 | 331 | 860 | 2021 | |
| Sri Lanka (main island) |  Sri Lanka | 21,184,000 | 65,268 | 25,200 | 325 | 840 | 2008 | |
| Mindanao | Philippines | 29,968,174 | 94,630 | 36,540 | 317 | 820 | 2010 | [32] [35] |
| Great Britain |  United Kingdom | 61,450,000 | 209,331 | 80,823 | 294 | 760 | 2011 | |
| Awaji Island | Japan | 147,359 | 592.17 | 228.64 | 249 | 640 | ||
| Majorca | Spain | 869,067 | 3,640.11 | 1,405.45 | 239 | 620 | ||
| Shikoku | Japan | 4,141,955 | 18,800 | 7,300 | 220 | 570 | 2005 | |
| Sicily |  Italy | 5,051,075 | 25,700 | 9,900 | 197 | 510 | 2010 | |
| Langkawi, Kedah |  Malaysia | 65,000 | 479 | 185 | 136 | 350 | 2010 | |
| Sulawesi (Celebes) | Indonesia | 17,371,783 | 180,681 | 69,761 | 96 | 250 | 2010 | |
| Sumatra | Indonesia | 45,000,000 | 470,000 | 180,000 | 96 | 250 | 2005 | [36] |
| Ireland |  Ireland / United Kingdom (Northern Ireland) | 6,197,100 | 84,421 | 32,595 | 73 | 190 | 2008 | |
| Borneo | Indonesia /  Brunei / Malaysia | 21,258,000 | 748,168 | 288,869 | 28 | 73 | 2014 | |
| Vancouver Island |  Canada | 775,347 | 31,285 | 12,079 | 24.8 | 64 | 2016 | |
| New Guinea | Indonesia /  Papua New Guinea | 11,306,940 | 785,753 | 303,381 | 14 | 36} | 2014 | |
| Iceland |  Iceland | 350,710 | 101,826 | 39,315 | 3.4 | 8.8 | 2018 | |
There are numerous uninhabited or deserted islands. The largest uninhabited island in the world is Devon Island in Canada. The list contains islands with densities below 0.1/km2 (0.26/sq mi). Note that many of these populations are non-permanent.
| Island | Country/Territory | Population | Area | Density | ||
|---|---|---|---|---|---|---|
| km2 | sq mi | per km2 | per sq mi | |||
| Kotelny Island |  Russia | 2 | 23,165 | 8,944 | 0.000086 | 0.00022 |
| Ellesmere Island | Canada | 146 | 196,235 | 75,767 | 0.000744 | 0.00193 |
| Banks Island | Canada | 103 | 70,028 | 27,038 | 0.0014 | 0.0036 |
| Clarence Island |  Chile | 5 | 1,111 | 429 | 0.0045 | 0.012 |
| Seguam Island | United States | 1 | 215 | 83 | 0.00465 | 0.0120 |
| Alexandra Land | Russia | 5 | 1,050 | 410 | 0.00476 | 0.0123 |
| Kuiu Island | United States | 10 | 1,936 | 747 | 0.005 | 0.013 |
| Grande-Terre (Kerguelen) |  French Southern and Antarctic Lands | 45 | 6,675 | 2,577 | 0.007 | 0.018 |
| James Ross Island |  Antarctica | 20 (summer) | 2,598 | 1,003 | 0.0077 | 0.020 |
| 0 (winter) | 2,598 | 1,003 | 0 | 0 | ||
| Santa Cruz Island | United States | 2 | 250 | 97 | 0.008 | 0.021 |
| Unimak Island | United States | 35 | 4,119 | 1,590 | 0.0085 | 0.022 |
| Victoria Island | Canada | 1,875 | 217,291 | 83,897 | 0.0086 | 0.022 |
| South Georgia |  South Georgia and the South Sandwich Islands | 32 | 3,528 | 1,362 | 0.0091 | 0.024 |
| Santa Rosa Island | United States | 2 | 215.3 | 83.1 | 0.0093 | 0.024 |
| Etolin Island | United States | 15 | 878.1 | 339.0 | 0.017 | 0.044 |
| Adelaide Island | Antarctica | 100 (approx.) | 4,663 | 1,800 | 0.0215 | 0.056 |
| Baffin Island | Canada | 11,000 | 507,451 | 195,928 | 0.0217 | 0.056 |
| Umnak | United States | 39 | 1,776.8 | 686.0 | 0.022 | 0.057 |
| Bear Island |  Norway | 4 | 178 | 69 | 0.0223 | 0.058 |
| Hawkins Island | United States | 4 | 176 | 68 | 0.0227 | 0.059 |
| Shuyak Island | United States | 4 | 168.3 | 65.0 | 0.024 | 0.062 |
| Southampton Island | Canada | 1,035 | 41,214 | 15,913 | 0.025 | 0.065 |
| Greenland |  Kingdom of Denmark | 56,452 | 2,166,086 | 836,330 | 0.0261 | 0.068 |
| Cornwallis Island | Canada | 183 | 6,995 | 2,701 | 0.0262 | 0.068 |
| Anticosti Island | Canada | 218 | 7,953 | 3,071 | 0.027 | 0.070 |
| Dundee Island | Antarctica | 10 | 347 | 134 | 0.0288 | 0.075 |
| Hinchinbrook Island | United States | 5 | 172 | 66 | 0.029 | 0.075 |
| Dall Island | United States | 20 | 657.9 | 254.0 | 0.03 | 0.078 |
| Vaygach Island | Russia | 106 | 3,383 | 1,306 | 0.031 | 0.080 |
| West Falkland |  Falkland Islands | 160 | 4,532 | 1,750 | 0.035 | 0.091 |
| Deception Island | Antarctica | 3 (winter) | 79 | 31 | 0.04 | 0.10 |
| 51 (summer) | 79 | 31 | 0.65 | 1.7 | ||
| Nunivak Island | United States | 191 | 4,226.8 | 1,632.0 | 0.045 | 0.12 |
| Sukkwan Island | United States | 9 | 167 | 64 | 0.05 | 0.13 |
| Greenwich Island | Antarctica | 8 (winter) | 143 | 55 | 0.056 | 0.15 |
| 62 (summer) | 143 | 55 | 0.43 | 1.1 | ||
| Wellington Island | Chile | 340 | 5,556 | 2,145 | 0.06 | 0.16 |
| Spitsbergen | Norway | 2,642 | 37,673 | 14,546 | 0.07 | 0.18 |
| Ross Island | Antarctica | 174 (winter) | 2,460 | 950 | 0.071 | 0.18 |
| 1,088 (summer) | 2,460 | 950 | 0.44 | 1.1 | ||
| Alamagan |  Northern Mariana Islands | 1 | 12.96 | 5.00 | 0.0772 | 0.200 |
| Heceta Island | United States | 14 | 181 | 70 | 0.0773 | 0.200 |
| Atka Island | United States | 95 | 1,048.8 | 404.9 | 0.09 | 0.23 |
| Agrihan | Northern Mariana Islands | 4 | 44.05 | 17.01 | 0.091 | 0.24 |
| Fraser Island |  Australia | 152 | 1,655 | 639 | 0.092 | 0.24 |
| Afognak | United States | 169 | 1,812.6 | 699.8 | 0.093 | 0.24 |
| Cockburn Island | Canada | 16 | 171 | 66 | 0.094 | 0.24 |
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