Singapore is one of the most densely populated places on Earth. In 2025, its population density reached approximately 8,300 people per square kilometer, making it the third most densely populated territory in the world, according to data from the Singapore Department of Statistics.
And the land on which all those people live has continued to expand. Since gaining independence in 1965, Singapore's land area has grown from 581.5 square kilometers to about 736.3 square kilometers as of June 2025. None of that additional territory came from nature.
The question is not how Singapore has grown, but why such a small country has been so determined to make itself larger.
Read also: How Big Is Singapore? Year-by-Year Land Growth Data
Singapore Needs More Space to Live
The answer can be measured in numbers. In its Population White Paper 2013, the Singaporean government projected a population of between 6.5 million and 6.9 million by 2030.
To accommodate that growth, Singapore estimated that its land area would need to increase from roughly 71,400 hectares to 76,600 hectares. That meant securing an additional 5,200 hectares, largely through land reclamation.
On that land, the government aims to build up to 700,000 new homes by 2030, according to the Ministry of National Development. All of these demands compete for space on an island where much of the territory lies less than 15 meters above sea level.
But for Singapore, land is not merely a housing issue. It is a prerequisite for maintaining economic competitiveness.
The same planning framework from the Ministry of National Development emphasizes the need to reserve sufficient land to preserve Singapore's position as a high-value manufacturing base and a global financial and business hub, enabling it to remain competitive with other Asian cities.
Without adequate space for industry, ports, and worker housing, investors could shift their operations elsewhere.
The results of this strategy can be seen across many of Singapore's most recognizable landmarks. Changi Airport, Tuas Port, and Jurong Island, the country's major petrochemical hub, all stand on reclaimed land.
The History of Sand: From Abundant Supply to Closed Doors
To create new land, Singapore requires vast quantities of sand.
A study published in the journal Resources, Conservation and Recycling in 2025, which compiled data from 184 countries between 1970 and 2019, identified Singapore as the world's largest importer of sand in international trade.
In Singapore's case, most of that sand was supplied by neighboring countries in Southeast Asia. The issue is that those suppliers closed their doors one by one.
Indonesia banned marine sand exports in 2002 because of environmental damage, including the disappearance of 26 sandy islands in Riau Islands Province. Malaysia, which had also been a major supplier, imposed its own ban in 2019.
The shrinking number of suppliers is also reflected in the data. In 2021, Singapore imported US$350.7 million worth of sand from Malaysia alone. By 2023, its total sand imports from all countries had fallen to US$57.7 million, most of it coming from Malaysia and the Philippines.
There was renewed attention when Indonesian President Joko Widodo lifted the export ban through Government Regulation No. 26/2023. However, on June 2, 2025, the Supreme Court of Indonesia annulled the export provision through Decision No. 5/P/HUM/2025, ruling that it conflicted with Indonesia's Maritime Law.
A Blueprint to Expand the Country into the Next Century
As sand supplies became more limited, Singapore's plans continued. The country is now preparing the Long Island project, a chain of artificial islands along the eastern coast that was first proposed in the Concept Plan 1991.
The project has been revived with two objectives: creating additional land and serving as a barrier against sea-level rise. Estimates suggest it will require around 240 million tons of fill material.
For Singapore, the issue is directly linked to national survival.
In his National Day Rally speech on August 18, 2019, then Prime Minister Lee Hsien Loong compared protection against sea-level rise to the role of the Singapore Armed Forces, describing both as "life and death matters" to which all other priorities "must bend at the knee to safeguard the existence of our island nation."
In the same speech, he estimated that protecting Singapore from rising sea levels could cost S$100 billion or more over the course of a century. The commitment was later reflected in the creation of the Coastal and Flood Protection Fund, which received an initial allocation of S$5 billion.
As sand has become increasingly scarce, Singapore has shifted toward Dutch-style polder engineering. On September 8, 2025, the country completed its first below-sea-level reclamation project on Pulau Tekong, covering 800 hectares and reducing sand requirements by nearly 50 percent.
Looking ahead, Singapore aims to be more than 30 percent larger by 2030 than it was at independence. For a country of this size, expansion is not a matter of prestige. It is a matter of ensuring sufficient space and maintaining its territory.
