Older statistics seem to bear out the figure:
http://en.wikipedia.org/wiki/Rape_in...ape_statistics
Quote:
Rape prevalence among women in the U.S. (the percentage of women who experienced rape at least once in their lifetime so far) is in the range of 15%–20%, with different studies agreeing with each other. (National Violence against Women survey, 1995, found 17.6% prevalence rate; a 2007 national study for the Department of Justice on rape found 18% prevalence rate.)
In the United States the use of drugs, especially alcohol, frequently plays a part in rape. In 47% of rapes, both the victim and the perpetrator had been drinking. In 17%, only the perpetrator had been. 7% of the time, only the victim had been drinking. Rapes where neither the victim nor the perpetrator had been drinking account for 29% of all rapes.
Over two thirds of all rapes occur in someone's home. 30.9% occur in the perpetrators' homes, 26.6% in the victims' homes and 10.1% in homes shared by the victim and perpetrator. 7.2% occur at parties, 7.2% in vehicles, 3.6% outdoors and 2.2% in bars.
Most rape research and reporting to date has concentrated on male-female forms of rape. Research on male-male and female-male has commenced. However, almost no research has been done on female-female rape, though women can be charged with rape.
According to United States Department of Justice document Criminal Victimization in the United States, there were overall 191,670 victims of rape or sexual assault reported in 2005.
Some types of rape are excluded from official reports altogether, (the FBI's definition, for example, excludes all rapes except forcible rapes of females), because a significant number of rapes go unreported even when they are included as reportable rapes, and also because a significant number of rapes reported to the police do not advance to prosecution.
U.S. Bureau of Justice Statistics (1999) estimated that 91% of rape victims are female and 9% are male, with 99% of the offenders being male. Denov (2004) states that societal responses to the issue of female perpetrators of sexual assault "point to a widespread denial of women as potential sexual aggressors that could work to obscure the true dimensions of the problem."
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