In the debate about legalizing prostitution, yes or no, one claim is the legalization will decrease sexual violence against all women.
For example from answers of pros in the link provided:
"It is estimated that if prostitution were legalized in the United States, the rape rate would decrease by roughly 25% for a decrease of approximately 25,000 rapes per year....
Is there any valid evidence to support these? If so, in which countries according to which research in which periods of time?
There is related question: Does legalizing prostitution lead to an increase in human trafficking? but this question is about sexual violence.