* Small land area: Singapore is a city-state with a total land area of just 721.5 square kilometers (278.6 square miles). This makes it one of the smallest countries in the world.
* High population: Singapore has a population of over 5.8 million people. This means that Singapore has a population density of over 8,000 people per square kilometer (20,700 people per square mile). This is one of the highest population densities in the world.
* Economic success: Singapore is a highly developed country with a strong economy. This has attracted a large number of migrants from other countries who are looking for work.
* Government policies: The Singapore government has a number of policies in place that encourage population growth. These include the Family Bonus Scheme, which provides financial incentives to couples who have children.
As a result of these factors, Singapore is one of the most densely populated countries in the world.