Statistics for Siena
Latest official figures for Siena, each linked to its source.
Demography
| Population | 259,460 persons | 2025 |
| Population density | 68.3 inhabitants per km² | 2024 |
| Population aged 65 and over | 27.2 % | 2025 |
| Median age | 50.5 years | 2025 |
| Live births | 1,548 count | 2024 |
| Deaths | 3,267 count | 2024 |
| Crude birth rate | 6 per 1,000 inhabitants | 2024 |
| Crude death rate | 12.6 per 1,000 inhabitants | 2024 |
Economy
| Gross domestic product (GDP) | 9,721 EUR million | 2023 |
| GDP per capita | 37,300 EUR | 2023 |
| GDP per capita in PPS (EU27 = 100) | 101 % | 2023 |