Statistics for Siero
Latest official figures for Siero, each linked to its source.
Demography
| Population | 53,049 persons | 2025 |
| Population aged 16 to 64 | 33,626 persons | 2025 |
| Foreign nationals share of population | 4.3 % | 2025 |
| Population aged 65 and over | 24.2 % | 2025 |
| Average age | 47.5 years | 2025 |
| Dependency ratio | 57.6 % | 2025 |
| Crude birth rate | 5.21 per 1,000 inhabitants | 2024 |
| Total fertility rate | 1.07 children per woman | 2024 |
| Life expectancy at birth | 82.83 years | 2023 |
Labor market
| Registered unemployment | 2,373 persons | 2026-08 |
| Registered unemployment rate | 7.06 % | 2026-08 |
Income and living conditions
| Average net income per person | 15,873 EUR | 2023 |
| Average net income per household | 37,495 EUR | 2023 |
| Gini index | 28.5 index | 2023 |