Belgium vs Netherlands: Population by age
Belgium
11.88 million
in 2025
Netherlands
18.04 million
in 2025
Belgium rank
24th
Netherlands rank
22nd
Population by age over time
- Belgium
- Netherlands
How they compare
Netherlands currently reports 18.04 million against 11.88 million in Belgium, a difference of 6.16 million.
That makes Netherlands's figure about 1.5 times Belgium's.
Across all 36 years both countries report, Netherlands has been ahead every year.
Belgium ranks 24th and Netherlands ranks 22nd of 74 countries.
Netherlands has averaged higher in every one of the 4 decades both report.
Head to head by decade
| Decade | Belgium | Netherlands | Difference | Ahead |
|---|---|---|---|---|
| 1990s | 10.10 million | 15.35 million | 5.25 million | Netherlands |
| 2000s | 10.45 million | 16.23 million | 5.78 million | Netherlands |
| 2010s | 11.20 million | 16.90 million | 5.70 million | Netherlands |
| 2020s | 11.69 million | 17.71 million | 6.02 million | Netherlands |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher population by age, Belgium or Netherlands?
- Netherlands, at 18.04 million against 11.88 million in Belgium as of 2025.
- What is the difference in population by age between Belgium and Netherlands?
- 6.16 million, with Netherlands ahead.
- How many years of comparable data are there for Belgium and Netherlands?
- 36 years are reported by both, from 1990 to 2025.
- How do Belgium and Netherlands rank globally for population by age?
- Belgium ranks 24th and Netherlands ranks 22nd of 74 countries.
- Where does this data come from?
- UNICEF, published as Population by age. Statizoid refreshes it automatically from the source and publishes the full history for both places.