Has anyone else noticed men tend to have more muscle mass than women do?

Is it JUST me? It seems like women have less muscle mass than men do. I see many more muscular guys than I do women.
Yes, I've noticed than men tend to have more muscle than women do.
No, I see just as many muscular women as I do men.
No, women tend to have more muscle than men do.
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Has anyone else noticed men tend to have more muscle mass than women do?
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