Here are the five most populated island countries in the world as of 2021, based on United Nations estimates:
- Indonesia – with over 273 million people, Indonesia is the most populated island country in the world.
- Japan – with a population of over 125 million people, Japan is the second most populated island country in the world.
- Philippines – with a population of over 109 million people, the Philippines is the third most populated island country in the world.
- United Kingdom – with a population of over 68 million people, the United Kingdom (which includes England, Scotland, Wales, and Northern Ireland) is the fourth most populated island country in the world.
- Cuba – with a population of over 11 million people, Cuba is the fifth most populated island country in the world.
Top Ten Countries by Most Populated Island 2016 |
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| Country | Population (2004 Est.) | ||||
| Indonesia | 239,259,710 | ||||
| Japan | 127,295,333 | ||||
| Philippines | 87,891,082 | ||||
| Malaysia | 23,522,482 | ||||
| Taiwan | 22,898,115 | ||||
| Sri Lanka | 19,905,165 | ||||
| Madagascar | 17,501,871 | ||||
| Cuba | 11,301,850 | ||||
| Dominican Republic | 9,005,285 | ||||
| Halti | 7,269,957 | ||||
World Top Ten – Demography Maps |