Top 10 lowest population country : Vatican City is the most sparsely populated independent state in the world with a population of about 500800 people followed by Pacific, Caribbean island countries including Tuvalu, Nauru, and Palau. These ten countries have a sparse population due to the lack of land mass, acute geographical seclusion, or special political rank.
Top 10 Most Populous Countries (Approx. 2025/2026 Data):
- Vatican City (Holy See): about 500825.
- Niue: approximately 1,800
- Tokelau: approximately 2,500
- Falkland Islands: some 3,400.
- Saint Helena: approximately 5,200
- Montserrat: approximately 4,400
- Saint Pierre and Miquelon: about 5,600
- Tuvalu: approximately 9,600–11,500
- Nauru: approximately 10,500–12,700
- Wallis and Futana: about 11,600.
It should be noted that rankings can differ slightly based on whether they include territories or dependencies, such as Niue, Tokelau or the Falkland Islands, or only fully sovereign states. Other commonly mentioned sovereign states with slightly higher populations are Palau (around 18,000) and San Marino (around 34,000).
Top 10 Countries with the Smallest Population (2026 Estimates)
| Rank | Country | Estimated Population | Region |
| 1 | Vatican City | 500 | Europe |
| 2 | Tuvalu | 11,400 | Oceania (Polynesia) |
| 3 | Nauru | 12,800 | Oceania (Micronesia) |
| 4 | Palau | 18,100 | Oceania (Micronesia) |
| 5 | San Marino | 33,600 | Europe |
| 6 | Monaco | 36,300 | Europe |
| 7 | Liechtenstein | 39,800 | Europe |
| 8 | Marshall Islands | 42,100 | Oceania (Micronesia) |
| 9 | Saint Kitts and Nevis | 47,800 | Caribbean |
| 10 | Dominica | 73,100 | Caribbean |
The major features of Microstates.
Vatican City: Its citizens are unique in that the majority of them are clergy and Swiss Guards of different nationalities, but not a native-born population. It is still the smallest internationally recognised independent state in the world in terms of area and population.
The Pacific Factor: Half the bottom eight counties are explained by Oceania. These countries face special problems, such as their geographic remote position and considerable exposure to climate change and sea level rise.
Economic Niches: Some of the European microstates, like Monaco and Liechtenstein, experience some of the highest GDP per capita in the world, taking advantage of their role as financial centers or as a luxury tourism destination.
Sovereignty vs. Size: Each of these countries has a seat at the United Nations (except the Vatican City which has Permanent Observer status) and has its own government and law.
Infographic: Top 10 Sovereign States with the Smallest Populations (2026 Estimates).
This visual shows the ten accepted, sovereign countries having the least permanent occupants. It compares almost instantly the distinctness of the Vatican City (also non-native and careerist population) with the small remote islands of the Pacific and the Caribbean. The chart uses tiny symbols including palm pictures of oceanic countries and historic domes of micro countries to categorize their top traits and location.
Infographic 2: Area vs. Population in Microstates.
The question, which this visualization answers, is also important: Are the smallest countries in terms of population also the smallest in terms of size? It does not necessarily go well. Nested box comparisons are used in the chart to demonstrate both metrics.
Population: Vatican City, Monaco, and Tuvalu are listed in the list of the smallest in both measures.
Small Population, Large Area: Conversely, some countries like Palau and Dominica have an extremely large area but a small population. This map makes it clear which countries are heavily populated (e.g., Monaco) and which ones are sparsely populated (e.g., Palau), despite both having tiny populations.