According to various academic studies over the past 20 years, only 2-10% of rape accusations are fake (Prof Ford’s lawyer says she believes this was attempted rape).
Two to 10% is too many, but it is not a big proportion of the total. Fake rape accusations get a lot of attention.
Both the Duke Lacrosse team case in 2006 and the alleged University of Virginia gang rape in 2014 were widely covered by the media. They were terrible miscarriages of justice – but they were not representative.