| Data Item | 1973 | 1974 | 1975 | 1976 | 1977 | 1978 | 1979 | 1980 | 1981 | 1982 | 1983 | 1984 | 1985 | 1986 | 1987 | 1988 | 1989 | 1990 | 1991 | 1992 | 1993 | 1994 | 1995 | 1996 | 1997 | 1998 | 1999 | 2000 | 2001 | 2002 | 2003 | 2004 | 2005 | 2006 | 2007 | 2008 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Murder as a percentage of 1973 levels | 100.00 | 104.26 | 102.13 | 93.62 | 93.62 | 95.74 | 103.19 | 108.51 | 104.26 | 96.81 | 88.30 | 84.04 | 84.04 | 91.49 | 88.30 | 89.36 | 92.55 | 100.00 | 104.26 | 98.94 | 101.06 | 95.74 | 87.23 | 78.72 | 72.34 | 67.02 | 60.64 | 58.51 | 59.57 | 59.57 | 60.64 | 58.51 | 59.57 | 60.64 | 59.57 | 57.45 |
| Rape as a percentage of 1973 levels | 100.00 | 104.00 | 96.00 | 88.00 | 92.00 | 104.00 | 112.00 | 100.00 | 100.00 | 84.00 | 84.00 | 100.00 | 76.00 | 68.00 | 80.00 | 68.00 | 72.00 | 68.00 | 88.00 | 72.00 | 64.00 | 56.00 | 48.00 | 36.00 | 36.00 | 36.00 | 36.00 | 24.00 | 24.00 | 28.00 | 20.00 | 16.00 | 20.00 | 22.00 | 24.00 | 20.00 |
Rape means sexual intercourse without valid consent. Homicide is the deliberate and unlawful killing of one person by another.
Source: Steven Pinker, The Better Angels of Our Nature (New York: Penguin Group, 2011). Pg. 402.