Table 4. -- Central Birth Rates by Age, Calendar Year, and Alternative
(Per thousand women)
Age of
mother
Calendar year
1920
1930
1940
1950
1960
1970
1975
1980
1985
1990
1991
1992
1993
1994
1995
14 3.6 3.8 3.8 5.8 6.0 6.6 7.1 6.5 6.2 7.8 8.0 7.9 8.0 8.0 7.9
15 12.0 12.0 11.9 18.8 19.2 19.2 19.4 17.4 16.5 20.6 21.1 20.9 20.8 20.7 20.5
16 29.0 27.8 26.2 41.4 42.6 38.8 36.4 33.1 31.7 38.0 39.5 38.8 38.8 38.5 38.1
17 57.8 53.7 49.3 75.0 80.2 66.6 57.3 53.1 51.2 60.1 62.8 61.7 61.1 60.8 60.2
18 90.5 82.3 76.8 113.7 131.2 98.3 77.5 74.6 72.0 82.5 86.0 85.6 84.4 83.8 83.0
19 123.8 107.6 102.8 148.4 181.9 126.0 92.7 92.5 88.3 99.1 103.2 103.1 101.9 100.7 99.7
 
20 148.2 123.1 119.5 173.6 224.2 147.1 103.4 106.0 100.0 110.2 112.8 113.5 112.3 110.8 109.7
21 164.8 133.7 128.9 187.9 247.0 159.2 109.7 113.2 105.9 115.1 116.2 115.8 114.9 113.2 112.1
22 172.2 139.6 133.4 195.4 256.4 167.4 115.1 118.5 110.3 118.6 117.6 118.1 114.0 113.1 112.0
23 179.4 144.1 137.1 197.5 255.8 171.2 118.8 121.9 113.0 120.4 118.4 116.2 113.0 111.5 110.4
24 178.2 143.3 136.7 195.3 246.8 170.1 120.7 123.8 115.2 121.7 119.1 116.7 112.9 111.2 110.1
 
25 175.7 139.8 133.0 187.0 231.8 163.0 119.2 123.0 115.7 122.3 119.5 117.3 114.4 111.6 110.5
26 167.1 133.0 126.6 176.3 213.7 153.2 115.2 119.6 114.5 122.1 119.1 117.6 114.9 112.7 111.6
27 168.6 128.5 119.9 164.4 195.5 140.6 108.1 114.3 110.9 119.7 117.1 116.3 114.2 112.6 111.5
28 164.3 121.8 112.6 152.1 177.3 126.4 98.2 106.8 106.0 115.5 113.4 113.4 111.8 111.0 109.9
29 160.3 119.5 106.7 141.5 160.7 111.3 86.4 97.2 98.8 109.1 107.7 107.6 107.4 107.1 106.1
 
30 140.0 108.0 95.2 126.0 142.3 96.0 73.1 85.3 89.6 101.2 99.8 100.2 100.2 100.9 99.9
31 130.5 101.8 87.0 113.2 126.8 82.6 61.2 72.6 79.0 90.7 90.0 90.2 91.0 91.8 90.9
32 118.2 90.2 76.7 99.1 110.8 70.0 50.6 60.2 68.1 79.7 78.8 79.8 80.4 81.4 80.6
33 115.9 86.1 71.1 90.3 99.4 60.2 42.1 49.5 57.8 68.9 68.1 69.0 69.9 70.7 70.0
34 109.6 80.5 63.7 80.2 87.8 51.8 34.9 40.0 47.9 58.4 58.0 58.9 59.7 60.8 60.2
 
35 105.2 75.6 57.4 71.2 77.2 44.5 28.6 31.5 38.5 48.7 48.9 49.5 50.1 51.1 50.6
36 98.2 68.7 50.9 61.2 66.2 37.7 23.3 24.3 29.9 39.2 39.7 40.2 40.7 41.5 41.1
37 92.6 63.6 45.0 52.6 56.2 31.3 18.7 18.5 22.5 30.5 31.1 31.5 32.2 32.7 32.4
38 82.5 57.3 39.2 44.2 46.9 25.9 15.2 14.0 16.6 22.8 23.5 24.1 24.5 25.1 24.9
39 74.4 51.2 33.3 36.1 38.1 21.0 12.1 10.9 12.0 16.7 17.2 17.8 18.2 18.8 18.6
 
40 55.5 38.8 25.9 27.0 28.8 15.8 8.9 7.6 8.4 11.7 12.1 12.6 12.7 13.4 13.3
41 44.1 30.5 19.6 19.5 20.9 11.4 6.4 5.3 5.6 7.7 8.0 8.6 8.6 8.9 8.8
42 31.3 22.0 13.9 13.1 14.1 7.8 4.3 3.5 3.4 4.9 5.0 5.3 5.5 5.7 5.6
43 24.6 17.0 10.1 9.3 9.3 5.0 2.8 2.2 2.0 2.7 2.8 3.0 3.1 3.4 3.4
44 17.3 11.4 6.4 5.4 5.5 3.1 1.6 1.2 1.2 1.5 1.5 1.6 1.7 1.9 1.9
 
45 11.9 7.4 4.0 3.0 2.8 1.7 1.0 0.7 0.8 0.6 0.6 0.6 0.9 0.9 0.9
46 7.9 4.5 2.4 1.6 1.5 0.8 0.2 0.1 0.1 0.1 0.1 0.2 0.4 0.3 0.3
47 4.4 2.5 1.1 0.6 0.6 0.1 0.1 0.1 0.0 0.0 0.0 0.0 0.0 0.0 0.0
48 2.4 1.2 0.7 0.2 0.1 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
49 1.3 0.6 0.2 0.1 0.1 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
Calendar year and alternative
Age of
mother
Low Cost
Intermediate
High Cost
2000
2005
2010
2015
2021
2000
2005
2010
2015
2021
2000
2005
2010
2015
2021
14 7.9 7.9 7.9 7.9 7.9 7.9 7.9 7.9 7.9 7.9 7.4 6.9 6.4 5.9 5.8
15 21.0 21.5 22.0 22.5 23.0 20.5 20.5 20.5 20.5 20.3 19.5 18.5 17.5 16.5 15.8
16 38.6 39.1 39.6 40.1 40.7 37.6 37.1 36.6 36.1 35.5 36.6 35.1 33.2 31.6 30.1
17 61.2 62.2 63.2 64.2 65.4 59.7 59.2 58.7 58.2 57.6 57.7 55.2 52.5 49.8 47.2
18 84.5 86.0 87.5 89.0 90.8 82.0 81.0 80.0 79.0 77.8 79.5 76.0 72.4 68.6 65.0
19 101.2 102.7 104.4 106.4 108.8 98.7 97.7 96.7 95.7 94.5 95.3 91.2 86.7 82.2 77.6
 
20 111.7 113.7 115.7 117.7 120.1 108.2 106.7 105.2 103.8 102.4 105.0 100.5 95.9 90.9 85.5
21 114.1 116.1 118.1 120.1 122.6 110.6 109.1 107.6 106.1 104.6 107.2 102.7 98.0 93.0 87.3
22 114.0 116.0 118.0 120.0 122.5 110.5 109.0 107.5 106.0 104.4 107.1 102.6 98.1 93.1 87.3
23 112.4 114.4 116.4 118.4 120.9 108.9 107.5 106.0 104.5 102.9 105.7 101.2 96.7 92.1 86.3
24 112.1 114.1 116.1 118.1 120.6 108.7 107.2 106.1 104.6 103.0 105.6 101.1 96.6 92.1 86.4
 
25 112.5 114.5 116.5 118.5 120.9 109.2 107.7 106.4 104.9 103.2 106.1 101.6 97.1 92.6 87.0
26 113.6 115.6 117.6 119.6 122.0 110.4 108.9 107.4 105.9 104.1 107.3 102.8 98.3 93.8 88.1
27 113.5 115.5 117.5 119.5 121.9 110.4 108.9 107.4 105.9 104.1 107.3 102.8 98.3 93.8 88.4
28 111.9 113.9 115.9 117.9 120.3 108.9 107.4 106.2 105.2 103.4 106.0 101.5 97.0 92.5 87.1
29 108.0 110.0 112.0 114.0 116.4 105.1 103.7 102.6 101.6 100.4 102.5 98.1 93.9 89.9 84.7
 
30 101.6 103.2 105.2 107.2 109.6 98.9 97.9 96.9 95.9 94.7 96.6 92.7 88.7 84.7 79.9
31 92.4 93.9 95.4 96.9 98.7 90.4 89.4 88.4 87.4 86.2 87.9 84.5 81.0 77.5 73.3
32 82.1 83.6 85.1 86.6 88.4 80.1 79.4 78.4 77.4 76.2 78.1 75.3 72.0 69.0 65.4
33 71.0 72.0 73.0 74.1 75.4 69.5 68.9 67.9 66.9 65.7 68.0 65.6 62.6 60.1 57.1
34 61.2 62.2 63.2 64.2 65.4 59.7 59.2 58.7 58.2 57.6 58.2 56.2 53.8 51.3 48.3
 
35 51.6 52.6 53.6 54.6 55.8 50.1 49.6 49.1 48.6 48.0 49.1 47.6 45.6 43.6 41.2
36 41.6 42.1 42.6 43.1 43.7 40.6 40.1 39.6 39.1 38.5 39.6 38.1 36.6 35.1 33.3
37 32.9 33.4 33.9 34.4 35.0 32.1 32.0 31.6 31.1 30.5 31.4 30.4 29.4 28.0 26.8
38 25.4 25.9 26.4 26.9 27.5 24.9 24.9 24.8 24.3 23.7 23.9 23.1 22.1 21.1 19.9
39 19.1 19.6 20.1 20.6 21.2 18.6 18.6 18.6 18.6 18.6 18.1 17.6 17.1 16.6 16.0
 
40 13.6 13.6 13.6 13.6 13.6 13.3 13.3 13.3 13.3 13.3 12.8 12.3 11.8 11.3 10.7
41 8.8 8.8 8.8 8.8 8.8 8.8 8.8 8.8 8.8 8.8 8.3 7.9 7.5 7.0 6.4
42 5.6 5.6 5.6 5.6 5.6 5.6 5.6 5.6 5.6 5.6 5.6 5.6 5.6 5.6 5.6
43 3.4 3.4 3.4 3.4 3.4 3.4 3.4 3.4 3.4 3.4 3.4 3.4 3.4 3.4 3.4
44 1.9 1.9 1.9 1.9 1.9 1.9 1.9 1.9 1.9 1.9 1.9 1.9 1.9 1.9 1.9
 
45 0.9 0.9 0.9 0.9 0.9 0.9 0.9 0.9 0.9 0.9 0.9 0.9 0.9 0.9 0.9
46 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3
47 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
48 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
49 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0