Island country

Island country


A nation whose main territory consists of one or more islands or portions of islands is known as an island country, island state, or island nation. An estimated 25% of all sovereign nations are island nations. Though they are susceptible to invasion by naval superpowers, island nations have historically been more stable than many continental states. The world’s largest and most populous island nation is Indonesia.
The economies of island nations differ greatly from one another. Some may be primarily dependent on extractive industries like mining, fishing, and agriculture, while others may rely more on services like financial services, tourism, and transit hubs. Since many islands have low-lying terrain and their economies and population centers are concentrated around ports and coastal plains, these states may be more susceptible to the effects of climate change, particularly the rise in sea level.
Often referred to as dependencies or overseas territories, these are noteworthy or isolated islands and archipelagos that are not sovereign in and of themselves.

Island country

What is the number of island countries?

There are forty-six sovereign states and Taiwan, an island nation, is the only disputed territory.

Island country

Island Geology

Certain islands are the portion of a volcano or seamount that is above sea level and whose base is beneath the ocean. One such mountain is the 9,330-meter (30,610-foot) Mauna Kea volcano on Hawaii’s Big Island. It is the highest mountain on Earth.
Corals and other organic materials are what formed some of the low-lying tropical islands. Some islands are exposed portions of a continental landmass’ shallow continental shelf.

Island country


Compared to their continental counterparts, island nations have historically tended to be less prone to political instability. Compared to continental countries, a greater proportion of island nations are democratic.

Islands in the sea

Although island nations are sovereign states by definition, there are a number of islands and archipelagos in the world that run somewhat independently of their formal sovereign states. These can resemble legitimate island nations and are frequently referred to as dependents or overseas territories.

Island country


Island nations have historically served as the starting point for international rivalries and maritime conquest.Because of their size and reliance on air and sea routes for communication, island nations are more vulnerable to invasion by larger, continental nations. Despite being hard to target due to their isolation, many island nations are also susceptible to mercenaries and other foreign invaders.

Natural resources

Fish is a major food source for many developing small island nations. To protect themselves from future increases in oil prices, some are resorting to renewable energy sources like wind, hydropower, geothermal power, and biodiesel made from copra oil.

Island country


Climate change causes problems like reduced land use, water scarcity, and occasionally even resettlement issues, which affect some island countries more than other countries. The rising Pacific Ocean waters are gradually engulfing some low-lying island nations. Tropical cyclones, hurricanes, flash floods, and droughts are just a few of the natural disasters brought on by climate change that affect island nations.

Island country

Changes in climate

People who live near the coast are being affected by climate change in small island nations due to rising sea levels, an increase in the frequency of heavy rainfall events, tropical cyclones, and storm surges. Many island nations, island peoples, and their cultures are in danger of disappearing due to the effects of climate change, which will also change their natural environments and ecosystems. Small island developing states (SIDS) are acknowledged as being especially vulnerable to climate change despite their diversity. They have been vocal in drawing attention to the difficulties posed by climate change and have many characteristics in common.

Island country


Many island nations are highly dependent on imports and are impacted significantly by shifts in the world economy. With a few notable exceptions, such as Japan, Taiwan[citation needed], and the United Kingdom, island economies are typically characterized by being smaller, more vulnerable to shipping costs, and more likely to experience environmental damage to infrastructure. Tourism is the main industry in many island nations.

Island country


Though there are a few notable exceptions, such as Indonesia, Japan, and the Philippines, island nations are generally small and have low populations.

Island country

Some islands—like the United Kingdom, Trinidad and Tobago, New Zealand, Cuba, Bahrain, Singapore, Sri Lanka, Iceland, Malta, and Taiwan—are centered on one or two large islands. Others, like the Philippines, Indonesia, Japan, Bahamas, Seychelles, and Maldives, are dispersed across hundreds or thousands of smaller islands. Some island nations, like the United Kingdom and Ireland; Haiti and the Dominican Republic; and Indonesia, which shares islands with Papua New Guinea, Brunei, East Timor, and Malaysia, are island nations that share one or more of their islands with other nations. Geographically speaking, Australia, which makes up the majority of the Australian continent, is regarded as a continental landmass as opposed to an island. However, it was formerly—among other things—considered an island nation and is occasionally addressed as such.


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