Because men are more in number in this world that's why woman models get too many fans of them as compare to the men models. But to know the popularity of a men model you need to ask a woman only a woman can tell you which model is the best.
1. Sexy 2. More apparels for the women, less apparels for the men 3. Even women would adore beautiful & sexy female models
Because female Models show their body parts which is more interested rather then their face. Men can't impress anybody from their body part which is already common.
because men like to praise the woman and would not praise a man while women like to also praise and compete with other women, I think that's one reason.
Maybe it's that more men are willing to pay to see a beautiful women than women are willing to pay to see beautiful men. Or, on the inverse of the gender scale. There are more women on the planet than men, and women models are pretty much the final word when it comes to fashion and designers, and they are used as the standard of beauty by a lot of women and men alike, while I suppose the men models are seen in less extravagant a light.