İstanbul vs Spain: Population on 1 January by age, sex and NUTS 2 region
İstanbul
15.70 million
in 2025
Spain
49.13 million
in 2025
İstanbul rank
7th
Spain rank
7th
Population on 1 January by age, sex and NUTS 2 region over time
- İstanbul
- Spain
How they compare
Spain currently reports 49.13 million against 15.70 million in İstanbul, a difference of 33.43 million.
That makes Spain's figure about 3.1 times İstanbul's.
Across all 18 years both countries report, Spain has been ahead every year.
İstanbul ranks 7th and Spain ranks 7th of 443 regions.
Spain has averaged higher in every one of the 3 decades both report.
Head to head by decade
| Decade | İstanbul | Spain | Difference | Ahead |
|---|---|---|---|---|
| 2000s | 12.64 million | 45.95 million | 33.32 million | Spain |
| 2010s | 14.17 million | 46.61 million | 32.43 million | Spain |
| 2020s | 15.68 million | 48.01 million | 32.33 million | Spain |
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 Spain?
- Spain, at 49.13 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 Spain?
- 33.43 million, with Spain ahead.
- How many years of comparable data are there for İstanbul and Spain?
- 18 years are reported by both, from 2008 to 2025.
- How do İstanbul and Spain rank globally for population on 1 january by age, sex and nuts 2 region?
- İstanbul ranks 7th and Spain ranks 7th 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.