Belgium vs Romania: Population by age groups
Belgium
11.88 million
in 2025
Romania
19.04 million
in 2025
Belgium rank
24th
Romania rank
21st
Population by age groups over time
- Belgium
- Romania
How they compare
Romania currently reports 19.04 million against 11.88 million in Belgium, a difference of 7.16 million.
That makes Romania's figure about 1.6 times Belgium's.
Across all 36 years both countries report, Romania has been ahead every year.
Belgium ranks 24th and Romania ranks 21st of 74 countries.
Romania has averaged higher in every one of the 4 decades both report.
Head to head by decade
| Decade | Belgium | Romania | Difference | Ahead |
|---|---|---|---|---|
| 1990s | 10.10 million | 22.77 million | 12.67 million | Romania |
| 2000s | 10.45 million | 21.47 million | 11.02 million | Romania |
| 2010s | 11.20 million | 19.88 million | 8.68 million | Romania |
| 2020s | 11.69 million | 19.12 million | 7.43 million | Romania |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher population by age groups, Belgium or Romania?
- Romania, at 19.04 million against 11.88 million in Belgium as of 2025.
- What is the difference in population by age groups between Belgium and Romania?
- 7.16 million, with Romania ahead.
- How many years of comparable data are there for Belgium and Romania?
- 36 years are reported by both, from 1990 to 2025.
- How do Belgium and Romania rank globally for population by age groups?
- Belgium ranks 24th and Romania ranks 21st of 74 countries.
- Where does this data come from?
- UNICEF, published as Population by age groups. Statizoid refreshes it automatically from the source and publishes the full history for both places.