Population in Cardiff
5 indicators covering population for Cardiff.
| Indicator | Latest | Year | 10-yr change | Rank |
|---|---|---|---|---|
| Heat stress - Cities and FUAs — Mean population exposure to heat | 4.16 Days per year | 2025 | — | 1137th |
| Population by age and sex - Cities and FUAs | 383,919 Persons | 2024 | up 8.2% | 336th |
| Population by citizenship - Cities and FUAs | 9.9 Percentage of population | 2021 | up 41.4% | 224th |
| Foreign-born population - Cities and FUAs | 13.7 Percentage of population | 2021 | up 8.7% | 241st |
| Population and built-up density - Cities and FUAs — Urbanised area | 23 Square kilometres | 2030 | unchanged | 479th |