Belgium

1950

2026

2100

Belgium

1950

2026

2100

Belgium Population Statistics (2026)

What to know

Population in 2026: 11,774,642 people.

Growing at +0.32% per year.

Projected to decline to 11,060,848 by 2100 (-6% from 2026).

Key statistics for 2026

Total population

11,774,642

Density

389 people/km²

Median age

42.1 years

Growth rate

+0.12%

Key terms

Population growth rate: — Annual percentage change in total population size.
Population density: — People per square kilometre of land area.
Median age: — Age at which half the population is younger and half is older.
Sex ratio: — Number of males per 100 females in the population.

The trajectory

Population trajectory

Total population from 1950 to 2100 (projections beyond 2024)

Population structure

How is the population split by gender?

Male and female population with sex ratio trend

No population by gender data available.

In 2026, the sex ratio of 97.5 males per 100 females is close to the global average.

Age structure

What does the age structure look like?

Population distribution by 5-year age groups (Projection)

Density & aging

Density

People per square kilometre

Median age

Age where half the population is younger

In 2026, population density of 389 people per km² is moderate by global standards. The median age is projected to rise by 4 years by 2050, from 41.7 in 2026 to 45.2.

Rate of change

How fast is the population changing?

Annual percentage change in population size

Growth peaked at 1.18% in 2010.

The bottom line

Belgium's population continues to grow, though at a moderate pace. The population is gradually aging, with median age projected to reach 45 by 2050 (currently 42 in 2026).

Belgium Population Statistics (2026)

What to know

Population in 2026: 11,774,642 people.

Growing at +0.32% per year.

Projected to decline to 11,060,848 by 2100 (-6% from 2026).

Key statistics for 2026

Total population

11,774,642

Density

389 people/km²

Median age

42.1 years

Growth rate

+0.12%

Key terms

Population growth rate: — Annual percentage change in total population size.
Population density: — People per square kilometre of land area.
Median age: — Age at which half the population is younger and half is older.
Sex ratio: — Number of males per 100 females in the population.

Population structure

How is the population split by gender?

Male and female population with sex ratio trend

No population by gender data available.

In 2026, the sex ratio of 97.5 males per 100 females is close to the global average.

Density & aging

Density

People per square kilometre

Median age

Age where half the population is younger

In 2026, population density of 389 people per km² is moderate by global standards. The median age is projected to rise by 4 years by 2050, from 41.7 in 2026 to 45.2.

Rate of change

How fast is the population changing?

Annual percentage change in population size

Growth peaked at 1.18% in 2010.

The bottom line

Belgium's population continues to grow, though at a moderate pace. The population is gradually aging, with median age projected to reach 45 by 2050 (currently 42 in 2026).