As of 2026-10-12, Japan tops the list with 5,005,536,736,792 USD.
- #1 Japan — 5,005,536,736,792 USD
island country in East Asia
Japan is an island country in East Asia. Located in the Pacific Ocean off the northeast coast of the Asian mainland, it is bordered to the west by the Sea of Japan, the Sea of Okhotsk in the north, and the East China Sea in the south. The Japanese archipelago consists of four major islands alongside over 14,000 smaller islands. Japan is divided into 47 administrative prefectures and eight traditional regions, and around 75% of its terrain is mountainous and heavily forested, concentrating its... Read more on Wikipedia.
Wikidata - #2 United Kingdom — 3,070,667,732,359 USD
island country in north-west Europe
The United Kingdom of Great Britain and Northern Ireland, commonly known as the United Kingdom (UK) or Britain, is a country in Northwestern Europe, off the coast of the continental mainland. It comprises England, Scotland, Wales and Northern Ireland, with a population of over 69 million in 2025. The UK includes the island of Great Britain, the north-eastern part of the island of Ireland, and most of the smaller islands within the British Isles, covering 94,354 square miles (244,376 km2). It... Read more on Wikipedia.
Wikidata - #3 Indonesia — 1,319,100,220,389 USD
island country in Southeast Asia and Oceania
Indonesia, officially the Republic of Indonesia, is a country in Southeast Asia and Oceania, between the Indian and Pacific oceans. Comprising between 13,000 and 17,000 islands—including Sumatra, Java, Sulawesi, and parts of Borneo and New Guinea—it is the world's largest archipelagic state and the 14th-largest country by area. Indonesia has extensive tropical forests and marine ecosystems that support some of the world's highest levels of biodiversity. Read more on Wikipedia.
Wikidata - #4 Ireland — 529,244,870,223 USD
country in Northwestern Europe
Ireland, also known as the Republic of Ireland, is a country in Northwestern Europe. It consists of 26 of the 32 counties of the island of Ireland, with a population of about 5.4 million. Its capital and largest city is Dublin, on the eastern side of the island, with a population of over 1.5 million. The sovereign state shares its only land border with Northern Ireland, which is part of the United Kingdom. It is otherwise surrounded by the Atlantic Ocean, with the Celtic Sea to the south, St... Read more on Wikipedia.
Wikidata - #5 Singapore — 466,788,539,652 USD
sovereign island country and city-state in maritime Southeast Asia
Singapore, officially the Republic of Singapore, is an island country in Southeast Asia. Its territory comprises a main island, over 60 satellite islands and islets, and one outlying islet. The country is about one degree of latitude north of the equator, off the southern tip of the Malay Peninsula, bordering the Strait of Malacca to the west, the Singapore Strait to the south along with the Riau Islands in Indonesia, the South China Sea to the east and the Straits of Johor along with the State... Read more on Wikipedia.
Wikidata - #6 Philippines — 404,284,327,312 USD
archipelagic country in Southeast Asia
The Philippines, officially the Republic of the Philippines, is an archipelagic country in Southeast Asia. Located in the western Pacific Ocean, it consists of about 7,641 islands, with a total area of about 300,000 square kilometers. The islands are broadly categorized into three main geographical divisions: from north to south, Luzon, Visayas, and Mindanao. With a population of over 114 million, it is the world's thirteenth-most-populous country. Read more on Wikipedia.
Wikidata - #7 New Zealand — 255,551,704,626 USD
island country in the southwest Pacific Ocean
New Zealand is an island country in the southwestern Pacific Ocean. It comprises two main landmasses—the North Island and the South Island —and over 700 smaller islands. It is the sixth-largest island country by area and lies east of Australia across the Tasman Sea and south of the islands of New Caledonia, Fiji, and Tonga. The country's varied topography and sharp mountain peaks, including the Southern Alps, owe much to tectonic uplift and volcanic eruptions. New Zealand's capital city is... Read more on Wikipedia.
Wikidata - #8 Dominican Republic — 113,641,857,434 USD
island sovereign state in the Caribbean Sea
The Dominican Republic is an island country on the eastern part of the Caribbean island of Hispaniola in the Greater Antilles of the Caribbean Sea in the North Atlantic Ocean. It shares a maritime border with Puerto Rico to the east and a land border with Haiti to the west, occupying the eastern five-eighths of Hispaniola which, along with Saint Martin, is one of only two islands in the Caribbean shared by two sovereign states. In the Antilles, the country is the second-largest by area after... Read more on Wikipedia.
Wikidata - #9 Sri Lanka — 74,403,578,363 USD
island country in South Asia
Sri Lanka, officially the Democratic Socialist Republic of Sri Lanka, formerly known as Ceylon, is an island country in South Asia. It is located in the Indian Ocean, southwest of the Bay of Bengal, and is separated from India by the Gulf of Mannar and the Palk Strait. Sri Lanka shares a maritime border with the Maldives to the southwest and India to the northwest, and lies across the Bay of Bengal from Bangladesh and Myanmar to the northeast and the Andaman and Nicobar Islands of India to the... Read more on Wikipedia.
Wikidata - #10 Bahrain — 44,390,820,479 USD
country in the Persian Gulf
Bahrain, officially the Kingdom of Bahrain, is an island country in the eastern part of Arabian Peninsula in West Asia. Situated near the western shore of the Persian Gulf, the country comprises a small archipelago of 33 natural islands and an additional 50 artificial islands, centred on Bahrain Island, which makes up around 80 percent of the country's landmass. Bahrain is situated between Qatar and the northeastern coast of Saudi Arabia, to which it is connected by the King Fahd Causeway. The... Read more on Wikipedia.
Wikidata