İstanbul vs United Kingdom: Population on 1 January by age group, sex and NUTS 2 region
İstanbul
15.70 million Number
in 2025
United Kingdom
66.65 million Number
in 2019
İstanbul rank
6th
United Kingdom rank
4th
Population on 1 January by age group, sex and NUTS 2 region over time
- İstanbul
- United Kingdom
How they compare
United Kingdom currently reports 66.65 million Number against 15.70 million Number in İstanbul, a difference of 50.95 million Number.
That makes United Kingdom's figure about 4.2 times İstanbul's.
Across all 12 years both countries report, United Kingdom has been ahead every year.
İstanbul ranks 6th and United Kingdom ranks 4th of 437 regions.
United Kingdom has averaged higher in every one of the 2 decades both report.
Head to head by decade
| Decade | İstanbul | United Kingdom | Difference | Ahead |
|---|---|---|---|---|
| 2000s | 12.64 million Number | 61.81 million Number | 49.17 million Number | United Kingdom |
| 2010s | 14.17 million Number | 64.63 million Number | 50.45 million Number | United Kingdom |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher population on 1 january by age group, sex and nuts 2 region, İstanbul or United Kingdom?
- United Kingdom, at 66.65 million Number against 15.70 million Number in İstanbul as of 2019.
- What is the difference in population on 1 january by age group, sex and nuts 2 region between İstanbul and United Kingdom?
- 50.95 million Number, with United Kingdom ahead.
- How many years of comparable data are there for İstanbul and United Kingdom?
- 12 years are reported by both, from 2008 to 2019.
- How do İstanbul and United Kingdom rank globally for population on 1 january by age group, sex and nuts 2 region?
- İstanbul ranks 6th and United Kingdom ranks 4th of 437 regions.
- Where does this data come from?
- Eurostat, published as Population on 1 January by age group, sex and NUTS 2 region. Statizoid refreshes it automatically from the source and publishes the full history for both places.