Siena · Toscana
Data updated to year 2026
Population
28.048
inhabitants
Annual change
-14
people
Density
397
inh./km²
Area
70,6
km²
Live births
170
Deaths
310
Natural balance
-140
Migration balance
-21
| Year | Total | Males | Females | Births | Deaths | Nat. bal. | Migr. bal. |
|---|---|---|---|---|---|---|---|
| 2019 | 28.780 | 13.997 | 14.783 | 216 | 331 | -115 | -2 |
| 2020 | 28.763 | 13.967 | 14.796 | 177 | 346 | -169 | +61 |
| 2021 | 28.781 | 13.998 | 14.783 | 156 | 422 | -266 | +54 |
| 2022 | 28.576 | 13.951 |
| 14.625 |
| 168 |
| 403 |
| -235 |
| -9 |
| 2023 | 28.363 | 13.864 | 14.499 | 174 | 373 | -199 | -1 |
| 2024 | 28.205 | 13.827 | 14.378 | 170 | 310 | -140 | -21 |
| 2025 | 28.062 | 13.766 | 14.296 | N/D | N/D | N/D | N/D |
| 2026 | 28.048 | 13.779 | 14.269 | 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.