Spain vs United Kingdom: Population on 1 January by age group, sex and citizenship
Spain
49.13 million Number
in 2025
United Kingdom
66.65 million Number
in 2019
Spain rank
7th
United Kingdom rank
4th
Population on 1 January by age group, sex and citizenship over time
- Spain
- United Kingdom
How they compare
United Kingdom currently reports 66.65 million Number against 49.13 million Number in Spain, a difference of 17.52 million Number.
That makes United Kingdom's figure about 1.4 times Spain's.
Across all 19 years both countries report, United Kingdom has been ahead every year.
Spain ranks 7th and United Kingdom ranks 4th of 42 countries.
United Kingdom has averaged higher in every one of the 3 decades both report.
Head to head by decade
| Decade | Spain | United Kingdom | Difference | Ahead |
|---|---|---|---|---|
| 1990s | 40.30 million Number | 58.61 million Number | 18.31 million Number | United Kingdom |
| 2000s | 43.63 million Number | 59.88 million Number | 16.25 million Number | United Kingdom |
| 2010s | 46.61 million Number | 64.63 million Number | 18.02 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 citizenship, Spain or United Kingdom?
- United Kingdom, at 66.65 million Number against 49.13 million Number in Spain as of 2019.
- What is the difference in population on 1 january by age group, sex and citizenship between Spain and United Kingdom?
- 17.52 million Number, with United Kingdom ahead.
- How many years of comparable data are there for Spain and United Kingdom?
- 19 years are reported by both, from 1999 to 2019.
- How do Spain and United Kingdom rank globally for population on 1 january by age group, sex and citizenship?
- Spain ranks 7th and United Kingdom ranks 4th of 42 countries.
- Where does this data come from?
- Eurostat, published as Population on 1 January by age group, sex and citizenship. Statizoid refreshes it automatically from the source and publishes the full history for both places.