Births per 10,000 of 23 year old women, U.S., 1917-1975 Year Number 1917 183.1 1918 183.9 1919 163.1 1920 179.5 1921 181.4 1922 173.4 1923 167.6 1924 177.4 1925 171.7 1926 170.1 1927 163.7 1928 151.9 1929 145.4 1930 145 1931 138.9 1932 131.5 1933 125.7 1934 129.5 1935 129.6 1936 129.5 1937 132.2 1938 134.1 1939 132.1 1940 137.4 1941 148.1 1942 174.1 1943 174.7 1944 156.7 1945 143.3 1946 189.7 1947 212 1948 200.4 1949 201.8 1950 200.7 1951 215.6 1952 222.5 1953 231.5 1954 237.9 1955 244 1956 259.4 1957 268.8 1958 264.3 1959 264.5 1960 268.1 1961 264 1962 252.8 1963 240 1964 229.1 1965 204.8 1966 193.3 1967 179 1968 178.1 1969 181.1 1970 165.6 1971 159.8 1972 136.1 1973 126.3 1974 123.3 1975 118.5