Statistics Norway

3.14 Live births, by age of mother. Per cent
Year In wedlock Out of wedlock
Total Age1. Years Total Age1. Years
-19 20-24 25-29 30-34 35-39 40-44 -45 -19 20-24 25-29 30-34 35-39 -40
1871-1875  100.0 0.7 11.7 24.7 25.2 21.5 13.1 3.1  100.0 4.8 38.1 32.3 14.7 6.6 3.5
1881-1885  100.0 0.7 12.1 26.0 26.7 20.6 11.3 2.6  100.0 6.1 38.3 31.1 14.6 6.8 3.1
1889-1892  100.0 0.7 11.6 25.1 26.3 22.2 11.7 2.4  100.0 7.2 36.9 29.9 14.8 7.8 3.4
1899-1900  100.0 1.2 15.1 25.3 24.5 20.6 11.1 2.2  100.0 9.5 40.0 27.2 13.0 7.3 3.0
1910-1911  100.0 1.3 15.3 26.2 25.5 19.8 10.1 1.8  100.0 11.5 40.7 25.5 12.4 7.0 2.9
1920-1921  100.0 1.5 18.2 28.4 23.8 17.8 8.9 1.4  100.0 13.8 44.2 23.4 10.7 5.5 2.4
1930-1931  100.0 1.4 16.8 28.7 26.3 17.5 8.1 1.2  100.0 14.2 44.0 22.2 11.2 5.9 2.5
1933-1935  100.0 1.6 17.3 29.1 26.1 17.2 7.6 1.1  100.0 14.0 43.7 23.3 11.3 5.1 2.6
1936-1940  100.0 1.7 18.3 30.4 25.8 16.5 6.5 0.8  100.0 14.8 44.5 22.9 10.0 5.4 2.4
1941-1945  100.0 1.6 18.7 30.4 26.2 16.3 6.2 0.6  100.0 14.4 45.6 22.7 10.3 5.0 2.0
1946-1950  100.0 1.8 17.3 30.2 26.4 17.2 6.5 0.6  100.0 16.0 41.8 23.4 11.1 5.5 2.2
1951-1955  100.0 2.8 21.3 29.4 25.4 15.0 5.6 0.5  100.0 21.2 40.9 18.9 10.9 5.6 2.5
1956-1960  100.0 4.1 24.6 28.8 22.6 14.4 5.0 0.5  100.0 27.1 41.2 15.4 8.4 5.3 2.6
1961-1965  100.0 7.5 31.1 27.6 18.7 10.9 3.9 0.3  100.0 39.4 38.0 11.3 5.8 3.8 1.7
1966-1970  100.0 7.9 38.2 28.4 14.9 7.8 2.6 0.2  100.0 39.9 42.0 10.8 4.0 2.4 0.9
1971-1975  100.0 7.6 36.1 35.3 14.2 5.3 1.4 0.1  100.0 42.5 38.7 12.5 4.1 1.7 0.5
1976-1980  100.0 5.1 32.6 37.1 19.2 5.1 0.9 0.0  100.0 34.3 41.0 15.6 6.4 2.2 0.5
1981-1985  100.0 2.6 26.8 40.3 22.2 7.2 0.9 0.0  100.0 22.0 41.8 22.7 9.5 3.5 0.5
1986-1990  100.0 1.2 19.7 41.3 27.9 8.6 1.3 0.0  100.0 12.5 39.9 29.1 13.4 4.3 0.8
1991-1995  100.0 0.6 13.4 39.4 32.7 12.2 1.7 0.1  100.0 7.2 33.3 34.6 17.7 6.2 1.0
1996-2000  100.0 0.5 9.5 36.7 36.8 14.3 2.1 0.1  100.0 5.0 24.9 36.5 23.5 8.6 1.5
2001-2005  100.0 0.4 8.4 31.8 40.1 16.7 2.4 0.1  100.0 4.0 20.0 33.7 28.6 11.7 2.1
1  Before 1961 age of mother at the end of the year, later age at delivery.
Source: http://www.ssb.no/english/subjects/02/02/10/fodte_en/

Explanation of symbols