Why rape cases are on the rise all over the world?

Nowadays you can’t pass a day without hearing any news about sexual assault and the surprising fact is that both males and females are victims to this heinous crime.  To be frank there is no fool proof method to arrest the growing number of rape cases all over the world.  We are doing everything like  educating people, bringing awareness about AIDS, more importance is given to self defense, law is strengthened to punish the culprits and whatever it is, but the bitter reality is that crime rate is always on the rise.

What might be the actual reason for this alarming rate of growth of sexual assaults?