Statistics Norway

Births

4 Average age of parent at child's birth. 1946-2011
Period Observed age of parents at child's birth1 Hypotetic age of mother at child's birth2
Mean age of parent at first child's birth Mothers mean age at all births Fathers mean age at all births All births
Mother, all first births3 First births in wedlock Father, all first births Average Median4
1946-1950 .. 26.9 .. .. .. 29.8 28.9
1951-1955 .. 26.1 .. .. .. 28.7 27.5
1956-1960 .. 25.3 .. .. .. 28.1 26.7
1961-1965 24.0 24.1 27.5 .. .. 27.8 26.4
1966-1970 23.3 23.6 26.2 .. .. 27.3 26.0
               
1971-1975 23.4 23.4 26.0 26.0 .. 26.6 25.4
1976-1980 24.0 24.8 26.8 26.4 .. 26.7 25.7
1981-1985 24.7 25.8 27.5 27.1 .. 27.2 26.3
1986-1990 25.3 26.6 28.1 27.7 .. 27.8 27.0
1991-1995 26.1 27.7 28.7 28.5 .. 28.6 27.9
               
1996-2000 27.0 28.6 29.7 29.3 .. 29.1 28.5
2001-2005 27.9 29.0 30.6 30.0 33.0 29.6 29.2
2006-2010 28.1 29.5 30.9 30.3 33.4 29.9 29.6
               
1987 25.2 26.4 28.0 27.6 .. 27.7 26.9
1988 25.3 26.6 28.1 27.7 .. 27.8 27.0
1989 25.4 26.8 28.1 27.8 .. 28.0 27.2
1990 25.6 27.0 28.3 28.0 .. 28.1 27.4
               
1991 25.7 27.3 28.4 28.2 .. 28.3 27.6
1992 25.9 27.5 28.5 28.3 .. 28.4 27.7
1993 26.0 27.7 28.8 28.5 .. 28.6 27.9
1994 26.3 28.0 28.9 28.7 .. 28.7 28.0
1995 26.5 28.0 29.0 28.8 .. 28.8 28.2
               
1996 26.6 28.3 29.2 29.0 .. 28.9 28.3
1997 26.8 28.5 29.5 29.2 .. 29.1 28.4
1998 27.1 28.8 29.7 29.3 .. 29.2 28.5
1999 27.2 28.6 29.9 29.5 32.2 29.2 28.6
2000 27.4 28.7 30.1 29.6 32.6 29.3 28.7
               
2001 27.6 28.9 30.3 29.8 32.8 29.4 28.8
2002 27.7 29.0 30.5 29.9 32.8 29.5 29.0
2003 28.0 29.0 30.7 30.1 33.1 29.7 29.2
2004 28.1 29.1 30.8 30.2 33.2 29.7 29.5
2005 28.2 29.2 30.9 30.2 33.3 29.8 29.3
               
2006 28.1 29.3 30.8 30.3 33.3 29.8 29.7
2007 28.1 29.4 30.9 30.3 33.4 29.9 29.6
2008 28.1 29.5 30.9 30.3 33.4 29.9 29.6
2009 28.1 29.6 30.9 30.3 33.4 30.0 29.5
2010 28.2 29.5 30.8 30.3 33.4 30.1 29.4
               
2011 28.4 29.6 31.1 30.4 33.5 30.2 29.4
1  Based on actual births in the period.
2  This "hypothetic" age at birth is not being influenced by cohort size variations, as opposed to the "observed" age at birth.
3  Numbers in the period 1986-2008 are calculated with a new method in 2009.
4  The age where one half of the women was younger or had exactly reached that age.
Source: REP Cohort and Period Fertility in Norway 1820-1993.

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