The smallest country in the world fits inside a single block in Rome. The largest ‘small’ country in this list could host four countries from the bottom.
How to Play: Guess if the country on the right is LARGER or SMALLER than the one on the left.
Name A
Name B
Top 10 Smallest Countries
Tiny states cluster in three regions: Europe (Vatican, Monaco, San Marino), the Caribbean, and the Pacific. Many sit just above the threshold for full UN membership.
| # | Name | Area (km²) | Unit |
|---|---|---|---|
| 1 | Brunei | 5,765 | km² |
| 2 | Luxembourg | 2,586 | km² |
| 3 | Mauritius | 2,040 | km² |
| 4 | Comoros | 1,862 | km² |
| 5 | Hong Kong (SAR) | 1,110 | km² |
| 6 | Sao Tome and Principe | 964 | km² |
| 7 | Kiribati | 811 | km² |
| 8 | Bahrain | 778 | km² |
| 9 | Dominica | 751 | km² |
| 10 | Tonga | 747 | km² |
The World's Smallest Sovereign States
Vatican City at 0.49 km² is the world’s smallest sovereign state — the size of a New York City block. It is fully recognized as an independent country, with its own ambassador, currency, and laws.
Monaco at 2.02 km² is the second-smallest. Its population density of ~26,000/km² is the world’s highest. Most residents are millionaires.
Pacific island states (Nauru, Tuvalu, Marshall Islands) are vulnerable to climate change. Tuvalu at 26 km² may become uninhabitable due to sea level rise within decades.
Frequently Asked Questions
Smallest country in the world?
Vatican City at 0.49 km², about 110 acres or one Manhattan block.
Why is Monaco a country?
Monaco’s independence dates to 1297 (Grimaldi family rule). Despite being surrounded by France, it has full sovereignty under a 2002 treaty.
Will Tuvalu disappear?
Possibly within 50-100 years due to sea-level rise. Tuvalu has begun digital sovereignty initiatives to preserve identity even if territory is lost.
Is Hong Kong a country?
Technically a Special Administrative Region of China, not independent. Listed here for size comparison only.
Note: Country area in km² per CIA World Factbook 2024.
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