Anteil der nicht stimm- und wahlberechtigten Bevölkerung – Basel-Stadt| Jahr | Kinder unter 18 | B-Bewilligung | C-Bewilligung | Übrige Ausländer | Beistand/Vormund oder Wochenaufenthalter |
|---|
| 1995 | 15.3 | 6.3 | 13.0 | 0.8 | 1.0 |
| 1996 | 15.4 | 6.2 | 13.1 | 1.2 | 0.6 |
| 1997 | 15.5 | 6.2 | 13.3 | 1.2 | 1.0 |
| 1998 | 15.5 | 6.2 | 13.5 | 1.2 | 0.9 |
| 1999 | 15.5 | 6.3 | 13.8 | 1.2 | 0.8 |
| 2000 | 15.2 | 6.1 | 14.5 | 1.0 | 1.6 |
| 2001 | 15.2 | 6.1 | 15.0 | 1.0 | 1.4 |
| 2002 | 15.2 | 6.6 | 15.2 | 1.2 | 1.5 |
| 2003 | 15.1 | 7.0 | 15.3 | 1.4 | 1.7 |
| 2004 | 14.9 | 7.3 | 15.3 | 1.6 | 2.0 |
| 2005 | 14.8 | 7.5 | 15.3 | 1.9 | 2.0 |
| 2006 | 14.7 | 7.6 | 15.3 | 2.5 | 1.9 |
| 2007 | 14.5 | 8.4 | 15.2 | 2.3 | 2.0 |
| 2008 | 14.4 | 9.1 | 15.1 | 2.3 | 2.1 |
| 2009 | 14.3 | 9.4 | 15.2 | 2.5 | 2.0 |
| 2010 | 14.4 | 10.0 | 15.5 | 1.8 | 1.8 |
| 2011 | 14.4 | 10.2 | 15.8 | 1.9 | 1.7 |
| 2012 | 14.4 | 10.2 | 15.9 | 1.9 | 1.7 |
| 2013 | 14.6 | 10.1 | 16.5 | 2.2 | 1.7 |
| 2014 | 14.6 | 10.3 | 16.7 | 2.2 | 1.7 |
| 2015 | 14.7 | 10.7 | 16.9 | 2.0 | 1.7 |
| 2016 | 14.8 | 10.8 | 16.9 | 2.0 | 1.7 |
| 2017 | 14.9 | 11.0 | 17.2 | 1.8 | 1.7 |
| 2018 | 15.1 | 11.0 | 17.5 | 1.9 | 1.8 |
| 2019 | 15.3 | 11.1 | 17.7 | 1.7 | 1.7 |
| 2020 | 15.3 | 11.4 | 17.6 | 1.8 | 1.7 |
| 2021 | 15.5 | 11.5 | 17.6 | 1.8 | 1.7 |
| 2022 | 15.6 | 11.8 | 17.4 | 2.2 | 1.7 |
| 2023 | 15.6 | 12.4 | 17.2 | 2.4 | 1.8 |
| 2024 | 15.7 | 13.0 | 17.1 | 2.3 | 1.8 |
| 2025 | 15.7 | 13.4 | 17.0 | 2.3 | 1.9 |