İstanbul vs Romania: Population on 1 January by age, sex and NUTS 2 region
İstanbul
15.70 million
in 2025
Romania
19.04 million
in 2025
İstanbul rank
7th
Romania rank
10th
Population on 1 January by age, sex and NUTS 2 region over time
- İstanbul
- Romania
How they compare
Romania currently reports 19.04 million against 15.70 million in İstanbul, a difference of 3.34 million.
That makes Romania's figure about 1.2 times İstanbul's.
Across all 18 years both countries report, Romania has been ahead every year.
İstanbul ranks 7th and Romania ranks 10th of 443 regions.
Romania has averaged higher in every one of the 3 decades both report.
Head to head by decade
| Decade | İstanbul | Romania | Difference | Ahead |
|---|---|---|---|---|
| 2000s | 12.64 million | 20.54 million | 7.90 million | Romania |
| 2010s | 14.17 million | 19.88 million | 5.70 million | Romania |
| 2020s | 15.68 million | 19.12 million | 3.44 million | Romania |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher population on 1 january by age, sex and nuts 2 region, İstanbul or Romania?
- Romania, at 19.04 million against 15.70 million in İstanbul as of 2025.
- What is the difference in population on 1 january by age, sex and nuts 2 region between İstanbul and Romania?
- 3.34 million, with Romania ahead.
- How many years of comparable data are there for İstanbul and Romania?
- 18 years are reported by both, from 2008 to 2025.
- How do İstanbul and Romania rank globally for population on 1 january by age, sex and nuts 2 region?
- İstanbul ranks 7th and Romania ranks 10th of 443 regions.
- Where does this data come from?
- Eurostat, published as Population on 1 January by age, sex and NUTS 2 region. Statizoid refreshes it automatically from the source and publishes the full history for both places.