| Year, sex | Never married | Married | Widowed | Divorced | Total |
|---|
| 1980 | 17.7 | 67.4 | 10.2 | 4.7 | 100.0 |
| 1990 | 20.3 | 61.2 | 11.2 | 7.4 | 100.0 |
| 2001 | 27.1 | 52.4 | 11.6 | 8.8 | 100.0 |
| 2002 | 27.8 | 51.6 | 11.6 | 9.0 | 100.0 |
| 2003 | 28.2 | 50.9 | 11.6 | 9.3 | 100.0 |
| 2004 | 28.8 | 50.1 | 11.6 | 9.5 | 100.0 |
| 2005 | 29.4 | 49.4 | 11.5 | 9.7 | 100.0 |
| 2006 | 30.0 | 48.7 | 11.5 | 9.9 | 100.0 |
| 2007 | 30.5 | 48.0 | 11.4 | 10.1 | 100.0 |
| 2008 | 31.1 | 47.2 | 11.4 | 10.3 | 100.0 |
| 2009 | 31.7 | 46.5 | 11.3 | 10.5 | 100.0 |
| 2010 | 32.3 | 45.7 | 11.3 | 10.7 | 100.0 |
| 2011 | 32.9 | 45.0 | 11.2 | 10.9 | 100.0 |
| 2012 | 32.9 | 44.1 | 11.4 | 11.6 | 100.0 |
| 2013 | 33.4 | 43.5 | 11.3 | 11.8 | 100.0 |
| 2014 | 33.9 | 42.9 | 11.2 | 11.9 | 100.0 |
| 2015 | 34.4 | 42.5 | 11.1 | 12.0 | 100.0 |
| 2016 | 34.7 | 42.2 | 11.0 | 12.1 | 100.0 |
| 2017 | 34.8 | 42.1 | 10.9 | 12.2 | 100.0 |
| 2018 | 35.1 | 41.9 | 10.8 | 12.2 | 100.0 |
| 2019 | 35.3 | 41.8 | 10.6 | 12.2 | 100.0 |
| 2020 | 35.0 | 42.3 | 10.5 | 12.2 | 100.0 |
| Of which: | |||||
| male | 41.2 | 44.6 | 3.7 | 10.5 | 100.0 |
| female | 29.5 | 40.1 | 16.6 | 13.8 | 100.0 |