Ratio of proportion admitted to prison to share of population, by race, 1926–1993
| year | White | Black |
|---|---|---|
| 1926 | 0.8646896 | 2.199833 |
| 1927 | 0.8646989 | 2.17144 |
| 1928 | 0.8733817 | 2.131757 |
| 1929 | 0.8711722 | 2.17002 |
| 1930 | 0.8565032 | 2.318197 |
| 1931 | 0.8650528 | 2.23481 |
| 1932 | 0.8634449 | 2.239778 |
| 1933 | 0.8481098 | 2.364207 |
| 1934 | 0.8382051 | 2.46356 |
| 1935 | 0.8251895 | 2.56838 |
| 1936 | 0.8192377 | 2.618846 |
| 1937 | 0.8115541 | 2.682416 |
| 1938 | 0.8105729 | 2.702562 |
| 1939 | 0.8102447 | 2.705249 |
| 1940 | 0.7883061 | 2.897598 |
| 1941 | 0.7761271 | 2.992737 |
| 1942 | 0.7598836 | 3.139206 |
| 1943 | 0.7663909 | 3.073601 |
| 1944 | 0.77003 | 3.016577 |
| 1945 | 0.7632093 | 3.100061 |
| 1946 | 0.7362881 | 3.351378 |
| 1947 | 0.7734134 | 3.002343 |
| 1948 | 0.7783268 | 2.947933 |
| 1949 | 0.7855678 | 2.899025 |
| 1950 | 0.7734575 | 2.985587 |
| 1960 | 0.7420148 | 3.062132 |
| 1964 | 0.7342211 | 3.111357 |
| 1970 | 0.6919973 | 3.509817 |
| 1974 | 0.6716154 | 3.234681 |
| 1975 | 0.7310312 | 2.973519 |
| 1976 | 0.7077293 | 3.019088 |
| 1977 | 0.7055128 | 3.145308 |
| 1978 | 0.655506 | 3.406392 |
| 1979 | 0.7044626 | 3.261237 |
| 1980 | 0.6823106 | 3.370042 |
| 1981 | 0.6756689 | 3.516932 |
| 1982 | 0.6514124 | 3.617326 |
| 1983 | 0.6901026 | 3.37294 |
| 1984 | 0.6847866 | 3.328413 |
| 1985 | 0.6379915 | 3.297802 |
| 1986 | 0.6202134 | 3.355173 |
| 1987 | 0.6535816 | 3.771335 |
| 1988 | 0.5992618 | 4.103139 |
| 1989 | 0.564021 | 4.284014 |
| 1990 | 0.5723963 | 4.16193 |
| 1991 | 0.5528145 | 4.264695 |
| 1992 | 0.5504394 | 4.262562 |
| 1993 | 0.5566475 | 4.206541 |
Source: Author's calculations from Gibson and Jung (2002), National Prisoners Statistics (U.S. Department of Justice Bureau of Justice Statistics), and Brown et al. (1996)