Saudi Arabia vs United Kingdom of Great Britain and Northern Ireland: Number of people living in the capital city
Number of people living in the capital city over time
- Saudi Arabia
- United Kingdom of Great Britain and Northern Ireland
How they compare
United Kingdom of Great Britain and Northern Ireland currently reports 12.37 million people against 11.99 million people in Saudi Arabia, a difference of 380,900 people.
Across all 17 years both countries report, United Kingdom of Great Britain and Northern Ireland has been ahead every year.
Saudi Arabia ranks 17th and United Kingdom of Great Britain and Northern Ireland ranks 14th of 191 countries.
United Kingdom of Great Britain and Northern Ireland has averaged higher in every one of the 9 decades both report.
Head to head by decade
| Decade | Saudi Arabia | United Kingdom of Great Britain and Northern Ireland | Difference | Ahead |
|---|---|---|---|---|
| 2020s | 6.60 million people | 10.20 million people | 3.60 million people | United Kingdom of Great Britain and Northern Ireland |
| 2030s | 7.69 million people | 10.91 million people | 3.22 million people | United Kingdom of Great Britain and Northern Ireland |
| 2040s | 8.56 million people | 11.53 million people | 2.97 million people | United Kingdom of Great Britain and Northern Ireland |
| 2050s | 9.32 million people | 11.95 million people | 2.63 million people | United Kingdom of Great Britain and Northern Ireland |
| 2060s | 9.98 million people | 12.17 million people | 2.19 million people | United Kingdom of Great Britain and Northern Ireland |
| 2070s | 10.59 million people | 12.34 million people | 1.74 million people | United Kingdom of Great Britain and Northern Ireland |
| 2080s | 11.17 million people | 12.44 million people | 1.27 million people | United Kingdom of Great Britain and Northern Ireland |
| 2090s | 11.64 million people | 12.44 million people | 795,300 people | United Kingdom of Great Britain and Northern Ireland |
| 2100s | 11.99 million people | 12.37 million people | 380,900 people | United Kingdom of Great Britain and Northern Ireland |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher number of people living in the capital city, Saudi Arabia or United Kingdom of Great Britain and Northern Ireland?
- United Kingdom of Great Britain and Northern Ireland, at 12.37 million people against 11.99 million people in Saudi Arabia as of 2100.
- What is the difference in number of people living in the capital city between Saudi Arabia and United Kingdom of Great Britain and Northern Ireland?
- 380,900 people, with United Kingdom of Great Britain and Northern Ireland ahead.
- How many years of comparable data are there for Saudi Arabia and United Kingdom of Great Britain and Northern Ireland?
- 17 years are reported by both, from 2020 to 2100.
- How do Saudi Arabia and United Kingdom of Great Britain and Northern Ireland rank globally for number of people living in the capital city?
- Saudi Arabia ranks 17th and United Kingdom of Great Britain and Northern Ireland ranks 14th of 191 countries.
- Where does this data come from?
- European Commission, Joint Research Centre (JRC) (2025) – with minor processing by Our World in Data, published as Number of people living in the capital city. Statizoid refreshes it automatically from the source and publishes the full history for both places.
Individual pages
About this data
Projected total number of people living in the country's capital city. City boundaries are defined using a consistent global approach based on satellite imagery and population data.