Smallest Countries in the World, Ranked by Area
The smallest country in the world is Vatican City, at 0.44 km², an area you could walk across in about twenty minutes. The full ranked table below comes straight from the country data layer; this page is about why these places exist at all, and why they punch so far above their weight in geography trivia.
The podium, and how small small really is
Vatican City sits entirely inside the city of Rome, smaller than many golf courses, with a population under a thousand, which also makes it the least populous country on Earth. Monaco, at about 2 km² on the French Riviera, manages to squeeze a famous casino, a Formula 1 circuit, and one of the world’s densest populations into a space smaller than New York’s Central Park. Then comes Nauru, around 21 km² of raised coral in the Pacific: the world’s smallest island country, smallest republic, and the smallest UN member that isn’t a European city-state.
Tuvalu (about 26 km² across nine atolls) and San Marino (about 61 km², claiming to be the world’s oldest republic) round out the classic top five. Notice the pattern: the ultra-small are either European city-states or Pacific atolls. That’s not a coincidence, it’s two different survival stories.
How to still be tiny in 2026
The European microstates are leftovers, in the most impressive sense: city-states and principalities that dodged every wave of consolidation that swallowed their thousands of former peers. Vatican City survived on spiritual significance, San Marino on mountain-top stubbornness and diplomatic charm, Monaco and Liechtenstein on dynastic deals with bigger neighbors. Each is a museum of a political world that otherwise no longer exists.
The Pacific microstates went the other way: they were never absorbed into anything bigger, because the nearest “bigger” was thousands of kilometers of ocean away. When independence came in the twentieth century, each island group became a country at whatever size the reef happened to be. Smallness cuts differently there: Tuvalu and neighbors face rising seas with limited high ground, which turns the cute superlatives deadly serious.
Every one of these is quiz material. The Oceania map quiz will make you find Nauru; the Europe map quiz hides all five European microstates; and the daily challenge occasionally serves a silhouette that is, honestly, just a dot. Prepared players cackle. Everyone else posts sad emoji grids.
The 20 smallest countries by area
| # | Country | Area | Capital |
|---|---|---|---|
| 1 |  Vatican CityUN observer | 0.44 km² | Vatican City |
| 2 |  Monaco | 2.02 km² | Monaco |
| 3 |  Nauru | 21 km² | Yaren |
| 4 |  Tuvalu | 26 km² | Funafuti |
| 5 |  San Marino | 61 km² | City of San Marino |
| 6 |  Liechtenstein | 160 km² | Vaduz |
| 7 |  Marshall Islands | 181 km² | Majuro |
| 8 |  Saint Kitts and Nevis | 261 km² | Basseterre |
| 9 |  Maldives | 300 km² | Malé |
| 10 |  Malta | 316 km² | Valletta |
| 11 |  Grenada | 344 km² | St. George's |
| 12 |  Saint Vincent and the Grenadines | 389 km² | Kingstown |
| 13 |  Barbados | 430 km² | Bridgetown |
| 14 |  Antigua and Barbuda | 442 km² | Saint John's |
| 15 |  Seychelles | 452 km² | Victoria |
| 16 |  Palau | 459 km² | Ngerulmud |
| 17 |  Andorra | 468 km² | Andorra la Vella |
| 18 |  Saint Lucia | 616 km² | Castries |
| 19 |  Micronesia | 702 km² | Palikir |
| 20 |  Singapore | 710 km² | Singapore |
Frequently asked questions
What is the smallest country in the world?
Vatican City, at 0.44 km², an enclave within Rome and the only country whose entire territory fits comfortably inside a large city park. It’s also the least populous country, with fewer than a thousand residents, mostly clergy, guards, and staff of the Holy See.
What’s the smallest country that isn’t in Europe?
Nauru, the Pacific island republic of about 21 km². It holds a stack of superlatives: smallest island nation, smallest republic, and one of the smallest national populations anywhere. It’s also among the least-visited countries on Earth, which keeps it reliably obscure in quizzes.
Are microstates full countries with UN seats?
Yes, with one exception: Monaco, San Marino, Liechtenstein, Andorra, Nauru, and Tuvalu are all UN members counted in the 193, each with a vote worth the same as any giant’s. Vatican City is the exception, participating as a permanent observer through the Holy See instead.
Which is smaller, Monaco or Vatican City?
Vatican City, by a wide margin proportionally: it’s roughly a quarter of Monaco’s size. They’re the only two countries under 3 km², and both fit inside the borders of a single foreign city’s metropolitan area. The largest countries list makes a fun whiplash follow-up.