Table
| Period | Mother's mean age at first births2 | Father's mean age at first births | Mother's mean age at all births | Father's mean age at all births |
|---|---|---|---|---|
| 1Based on actual births in the period. | ||||
| 2Numbers in the period 1961-1985 are calculated with new data in 2009. | ||||
| 1961-1965 | 24.0 | 27.5 | .. | .. |
| 1966-1970 | 23.3 | 26.2 | .. | .. |
| 1971-1975 | 23.4 | 26.0 | 26.0 | .. |
| 1976-1980 | 24.0 | 26.8 | 26.4 | .. |
| 1981-1985 | 24.7 | 27.5 | 27.1 | .. |
| 1986-1990 | 25.2 | 28.1 | 27.7 | .. |
| 1991-1995 | 26.1 | 28.7 | 28.5 | .. |
| 1996-2000 | 27.1 | 29.7 | 29.3 | .. |
| 2001-2005 | 27.8 | 30.6 | 30.0 | 33.0 |
| 2006-2010 | 28.1 | 30.9 | 30.3 | 33.4 |
| 2011-2015 | 28.6 | 31.3 | 30.5 | 33.5 |
| 1997 | 27.0 | 29.5 | 29.2 | .. |
| 1998 | 27.2 | 29.7 | 29.3 | .. |
| 1999 | 27.2 | 29.9 | 29.5 | 32.2 |
| 2000 | 27.3 | 30.1 | 29.6 | 32.6 |
| 2001 | 27.5 | 30.3 | 29.8 | 32.8 |
| 2002 | 27.7 | 30.5 | 29.9 | 32.8 |
| 2003 | 27.9 | 30.7 | 30.1 | 33.1 |
| 2004 | 28.0 | 30.8 | 30.2 | 33.2 |
| 2005 | 28.1 | 30.9 | 30.2 | 33.3 |
| 2006 | 28.1 | 30.8 | 30.3 | 33.3 |
| 2007 | 28.1 | 30.9 | 30.3 | 33.4 |
| 2008 | 28.1 | 30.9 | 30.3 | 33.4 |
| 2009 | 28.1 | 30.9 | 30.3 | 33.4 |
| 2010 | 28.1 | 30.8 | 30.3 | 33.4 |
| 2011 | 28.3 | 31.1 | 30.4 | 33.5 |
| 2012 | 28.5 | 31.2 | 30.4 | 33.5 |
| 2013 | 28.6 | 31.3 | 30.5 | 33.5 |
| 2014 | 28.7 | 31.3 | 30.6 | 33.6 |
| 2015 | 28.9 | 31.4 | 30.7 | 33.6 |