Which Country Has the Most Islands? (Not Indonesia)

If you had to guess which country has the most islands, your first answer would probably be Indonesia or the Philippines. Makes sense, classic island nations with thousands of beaches on every map. Spoiler: both are way off. The country with the most islands sits in Europe, has a cold Baltic coast, and surprises pretty much everyone the first time they hear the answer. We'll show you the real number, why counting islands is messier than you think, and which five countries fight for the top spot.

Sweden: 267,570 islands. Or is it actually Norway?

The most-cited answer is Sweden. According to Statistics Sweden, the country's official statistics agency, Sweden has 267,570 islands. The number comes from a 2013 report and now appears in nearly every geography article. Fewer than 1,000 of those islands are inhabited. The rest are skerries, small rocks, and tiny islets along the Baltic coast.

But: Norway reports 320,249 islands and islets according to Kartverket, the official mapping agency. That's roughly 50,000 more than Sweden. So who's right?

Both. And neither. The issue isn't the count. The issue is the definition.

How do you actually count an island?

Here's where it gets interesting: Sweden counts every rock above 25 square meters that pokes out of the sea at normal water level. Norway includes tiny skerries, bare boulders without vegetation. Indonesia, on the other hand, only recognizes islands above a certain size, often with a habitability requirement.

The Philippines actually had to recount in 2016 when their mapping authority NAMRIA discovered over 500 previously unmapped islands. The official count jumped from 7,107 to 7,641 overnight.

The official European island definition gives Sweden just 24 islands. Twenty-four. You read that right. Depending on the rules, the count for one single country swings between 24 and 267,570. In practice, the broader definitions win. That's why Nordic countries always sit at the top.

Did you know?

The Stockholm Archipelago alone has roughly 30,000 islands. That's almost twice as many as all of Indonesia (around 17,000) put together.

Why Nordic countries have so many islands

Sweden, Norway, Finland, and the Canadian Arctic share one thing: during the last ice age, they were buried under a thick ice sheet. Over Scandinavia, the ice was up to four kilometers (about 2.5 miles) thick. The weight literally pushed the ground down.

When the ice melted around 10,000 years ago, the ground started rising again. The process is called post-glacial rebound, and it's still happening today. In northern Sweden, the land rises about two millimeters per year. Researchers estimate it'll rise another 10 meters before equilibrium kicks in.

The result: new rocks keep emerging from the sea. Rocks become islands. Islands eventually become peninsulas. Sweden gains new islands every year, no volcano needed.

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The real top 5 (with a plot twist at the end)

Here's the ranking, based on each country's official national count:

Norway: ~320,249 islands and islets (Kartverket)
Sweden: 267,570 islands (Statistics Sweden)
Finland: ~178,947 islands (Finnish Environment Institute)
Canada: 36,563+ islands in the Arctic Archipelago alone
Indonesia: ~17,504 islands

Plot twist: the Philippines, the country most people associate with islands, only has 7,641. That's less than half of Indonesia and a tiny fraction of Sweden's count. The takeaway: when you think island, you're probably thinking of the wrong countries.

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Which country has the most islands in the world?▾

Sweden has 267,570 islands according to its official count. Norway, depending on Kartverket's count, reports 320,249 islands and islets. Both far exceed traditional island nations like Indonesia and the Philippines.

How many islands does Indonesia have?▾

Indonesia has about 17,504 islands. It's the largest island country by area, but on raw count, it sits well behind the Nordic countries.

How many islands does Finland have?▾

Finland has roughly 178,947 islands. The famous Archipelago Sea in the south alone holds about 50,000 of them, making it one of the largest archipelagos on Earth.

Why does Sweden have so many islands?▾

During the last ice age, an ice sheet up to 4 km thick pressed the ground down. Since the ice melted 10,000 years ago, the land has been rising back up. New rocks keep emerging from the sea and qualifying as islands.

How many islands does Norway officially have?▾

Norway has 320,249 islands and islets according to Kartverket. Of those, 239,057 are classified as islands and 81,192 as smaller islets. By that count, Norway actually edges out Sweden.

How many of Sweden's islands are inhabited?▾

Fewer than 1,000 of Sweden's 267,570 islands are inhabited. The rest are small rocks, skerries, and uninhabited islets without houses or permanent residents.

Which country has the most inhabited islands?▾

Indonesia leads on inhabited islands. About 6,000 of its 17,504 islands have people living on them. That's nearly as many as the Philippines has total.

The country with the most islands isn't the tropical paradise your map suggests. It's the Nordic country with cold rocks, ancient ice, and a coast that's still growing. If you like geography plot twists like this, also check our posts on the capital city trap or 12 counter-intuitive geography facts. Or jump straight into the geography quiz.