Siena · Toscana
Data updated to year 2026
Population
13.017
inhabitants
Annual change
-15
people
Density
79
inh./km²
Area
165,3
km²
Live births
72
Deaths
204
Natural balance
-132
Migration balance
-45
| Year | Total | Males | Females | Births | Deaths | Nat. bal. | Migr. bal. |
|---|---|---|---|---|---|---|---|
| 2019 | 13.763 | 6567 | 7196 | 60 | 213 | -153 | +12 |
| 2020 | 13.664 | 6510 | 7154 | 62 | 192 | -130 | +22 |
| 2021 | 13.484 | 6443 | 7041 | 78 | 226 | -148 | +5 |
| 2022 | 13.386 | 6415 |
| 6971 |
| 79 |
| 234 |
| -155 |
| -28 |
| 2023 | 13.280 | 6380 | 6900 | 72 | 178 | -106 | -20 |
| 2024 | 13.173 | 6327 | 6846 | 72 | 204 | -132 | -45 |
| 2025 | 13.032 | 6279 | 6753 | N/D | N/D | N/D | N/D |
| 2026 | 13.017 | 6286 | 6731 | N/D | N/D | N/D | N/D |
Note: population data and demographic movements (births, deaths, balances) come from separate ISTAT sources. Annual totals may not exactly match the sum of balances.