Island country

An island country, island state, or island nation is a country whose main land is made up of one or more islands or parts of islands. About 25% of all countries in the world are island countries. These countries can be stable, but they are sometimes at risk from powerful navies. The biggest and most crowded island country is Indonesia, which is also the fourth most populated country in the world.

Island countries have many different ways of making money. Some rely on fishing, farming, and mining, while others depend on tourism, travel hubs, and financial services. Many island countries have land that is close to sea level, so their people and cities often live near the coast and ports. This can make them sensitive to changes in the climate, especially when the sea level rises.

Large, faraway islands or groups of islands that are not independent countries are often called dependencies or overseas territories.

History

Prehistory

Early settlements and indigenous populations

Many island countries were first home to local people who became very good at traveling across long distances by sea. The Polynesians are a great example; they used smart ways to find their direction and reached many parts of the Pacific Ocean, including places like Samoa, Tonga, New Zealand, and Hawaii. These journeys happened over many years, showing impressive sea travel skills before modern times. In a similar way, the people of Madagascar came from early sea trips from Southeast Asia and East Africa, creating a special mix of cultures and heritage because of the island’s place in important sea trade routes.

Modern times

Colonial era and European exploration

During the Age of Discovery in the 1400s, European explorers reached many island areas, such as the Caribbean, Pacific, and Indian Oceans. European countries like Spain, Portugal, Britain, France, and the Netherlands set up colonies there to get resources and control important sea routes. Islands in the Caribbean became centers for sugar farms, which depended on forced labor, changing the local population and economy a lot. Colonization brought new plants, animals, and cultural ideas, but it also often pushed aside or reduced the numbers of local populations.

Independence movements and modern nationhood

In the 1900s, many island areas started to want their own rule as part of the world movement against colonialism. Nations such as Jamaica (gaining independence in 1962) and Mauritius (1968) went from being colonies to running themselves. These countries sometimes had tough challenges because of being far apart, having small land areas, and depending on just a few things like sugar, tourism, or minerals for money. At the same time, Singapore grew from a British trading place to become an important world center for money and technology, showing how good planning and a good location can help an island succeed even without many natural resources.

20th century

Geopolitical and environmental challenges

Many island countries, especially Small Island Developing States (SIDS) like the Maldives and Tuvalu, face serious problems because of nature, such as rising sea levels, erosion along coasts, and more frequent big storms. These issues threaten their very existence, affecting clean water, buildings, and biodiversity. Because of this, island nations have spoken out strongly for the world to take quick action on climate change, pointing out how important it is to lower greenhouse gas emissions and help with efforts to be stronger against climate effects.

Besides environmental issues, many island states also have to deal with complicated world politics because of where they are located by the sea. They often work closely with regional powers and international organizations to improve safety, grow their economies, and get ready for disasters. Balancing their own independence with working together, these countries try to find ways to develop in a healthy way while handling the difficulties that come with being small and in special places.

Politics

Island countries often have more stable governments than countries on large landmasses. Many island countries are democracies, which means people choose their leaders through voting.

Island territories

Some islands are not completely independent countries. Instead, they belong to larger countries but have some control over their own affairs. These areas are called territories or dependencies. They are similar to true island countries in many ways.

War

Island countries have often been important in battles between other nations because of their location. Because they are smaller and rely on travel by sea and air, they can be easier for large countries to attack. Though they are sometimes targeted by outside forces, their isolation can also make them harder to conquer.

Natural resources

Many small island countries depend mostly on fish for food. Some of these places are starting to use renewable energy, like wind power, solar power, hydropower, geothermal power, and biomass.

Geography

Some island countries face big challenges because of climate change. This change can shrink the amount of usable land, make water harder to find, and sometimes force people to move from their homes. In places near sea level, especially in the Pacific Ocean, rising water can slowly cover the land.

Climate change also brings natural disasters to island countries. These include strong storms like tropical cyclones and hurricanes, sudden heavy rains that cause flash floods, and long periods without rain called droughts.

Economics

Many island countries depend a lot on things brought in from other places and can be strongly affected by changes in the world’s economy. Because they are made up of islands, these countries often have smaller economies, are more separated from global trade, face higher costs for shipping goods, and can be more at risk of damage to their buildings from nature. Some places, like Japan and the United Kingdom, are exceptions. For many island countries, tourism is the most important industry.

Composition

Island countries are usually small and have few people, but some, like Indonesia, Japan, and the Philippines, are much larger.

Some island countries are made up of just one or two big islands, such as Bahrain, Cuba, Iceland, Malta, New Zealand, Singapore, Sri Lanka, Taiwan, Trinidad and Tobago, and the United Kingdom. Others stretch across many small islands, like The Bahamas, Indonesia, Japan, the Maldives, the Philippines, and Seychelles. Some share islands with other countries, such as Ireland and the United Kingdom; the Dominican Republic and Haiti; and Indonesia, which shares islands with Brunei, Timor-Leste, Malaysia, and Papua New Guinea.

Bahrain, Singapore, and the United Kingdom are connected to larger land areas by bridges and tunnels. Bahrain is linked to Saudi Arabia by the King Fahd Causeway, Singapore to Malaysia by the Johor–Singapore Causeway and Second Link, and the United Kingdom has a railway connection to France through the Channel Tunnel.

Although Australia is considered a large landmass and not an island, it was sometimes called an island country in the past, especially for tourism.