Parent comment posted a source with their claim. Do you have any for yours?
See https://fightthenewdrug.org/violence-and-rape-connected-with... (it links to many different studies, sources at the bottom of the article).
I wrote: "as the availability of porn grew, incidence of rape fell"
The article I linked stated: "The same goes for other countries: as access to pornography grew in once restrictive Japan, China and Denmark in the past 40 years, rape statistics plummeted."