Total population tells you how many people live somewhere. Population density tells you how crowded it actually feels — and by that measure, the countries with the highest population density in the world are dominated by small city-states and low-lying, resource-rich nations rather than the biggest countries by headcount.
The Most Densely Populated Countries
- Monaco — the most densely populated sovereign state in the world, with tens of thousands of people per square kilometer
- Singapore — a city-state with one of the highest densities among larger populations
- Bahrain — a small island nation with a fast-growing, highly urbanized population
- Malta — the most densely populated country in the European Union
- Bangladesh — the most densely populated large country in the world, with well over a thousand people per square kilometer nationwide
- Maldives, Vatican City, and Gibraltar-style microstates also rank near the top depending on the year’s data
See exact, continuously updated figures on our Rankings page, filterable by area and population.
Why Density Matters More Than Total Population
Density shapes everyday life far more directly than a country’s total population. Housing costs, commute times, infrastructure strain, and even public health policy all respond to how tightly packed a population is. Bangladesh, despite ranking well outside the top ten by total population, faces some of the most acute density-driven planning challenges anywhere, while Russia — the ninth most populous country in the world — is one of the least densely populated because of its vast Siberian territory.
Density vs. Livability
High density doesn’t necessarily mean poor quality of life. Singapore and Monaco both combine extreme density with some of the highest standards of living and GDP per capita anywhere, thanks to careful urban planning and enormous wealth concentrated in a small footprint. Contrast that with the countries with the lowest population density, which include vast, sparsely settled nations like Mongolia and Namibia.
Frequently Asked Questions
What is the most densely populated country in the world?
Monaco is the most densely populated sovereign country in the world, followed by Singapore and several other small states.
What is the most densely populated large country?
Bangladesh is the most densely populated country with a large population (well over 100 million people).
How is population density calculated?
Population density is calculated by dividing a country’s total population by its land area, usually expressed as people per square kilometer.
Compare density-driving figures — population and area — for any countries you like with our Compare tool.
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