Bevölkerungsentwicklung – Untersiemau
Jährliche Komponenten
| Jahr | Bevölkerung | Geburten | Sterbefälle | Natürlicher Saldo | Wanderungssaldo |
|---|---|---|---|---|---|
| 2025 | 4.087 | – | 38 | – | – |
| 2024 | 4.116 | 26 | 35 | -9 | 7 |
| 2023 | 4.119 | 26 | 44 | -18 | 117 |
| 2022 | 4.019 | 33 | 50 | -17 | 47 |
| 2021 | 4.185 | 31 | 39 | -8 | -5 |
| 2020 | 4.199 | 45 | 39 | 6 | 38 |
| 2019 | 4.155 | 35 | 49 | -14 | 21 |
| 2018 | 4.148 | 35 | 46 | -11 | 37 |
| 2017 | 4.125 | 34 | 37 | -3 | 21 |
| 2016 | 4.107 | 40 | 46 | -6 | 3 |
| 2015 | 4.112 | 36 | 38 | -2 | 27 |
| 2014 | 4.089 | 26 | 40 | -14 | 2 |
| 2013 | 4.108 | 27 | 36 | -9 | 40 |
| 2012 | 4.078 | 31 | 39 | -8 | 24 |
| 2011 | 4.061 | 25 | 30 | -5 | -52 |
| 2010 | 4.105 | 27 | 38 | -11 | -34 |
| 2009 | 4.150 | 35 | 26 | 9 | -30 |
| 2008 | 4.170 | 27 | 46 | -19 | -27 |