We know that since sex crimes often go unreported, statistics on rape are even worse than they appear. Federal data on rape, which is used to allocate resources for catching rapists and helping victims, is even more inaccurate because the FBI isn't counting a huge number of sex crimes. The agency uses an archaic definition of rape, and thus thousands of crimes are excluded from national statistics.
The Feminist Majority Foundation launched a campaign to update the FBI's definition of rape in April, and the agency has finally agreed to address the issue. In the FBI's guideline on Uniform Crime Reporting, forcible rape is described as: