In the US they tend to get paid more.
They can go shirtless and don't have to wear a bra.
Their hormones aren't blamed when having a moment.
Are you asking about the missionary position?
Childbirth, makeup, hair do's, high heels, constricting underwear are all things that are of advantage to men. We don't do that stuff.
The "BIG" one has got to be the penis part and not having the ability to have children or menstruate. Although, some guys act like they are already menstruating.
No hair on my head