Actually, women will find you sexy if you're comfortable in your body and radiate your happiness with confidence.
Depends on what women
If she is conscious in terms of fitness and works out ( like most above average looking women ), very unlikely she will find attractive a guy with a prominent belly
So 50% of women as a statistic does not mean anything, as it does not say who thinks dad bods are sexy. You do not really care if all the fatties find you hot, no?
Actually, just being In shape makes your face sexier. So I really doubt that women in genera will prefer a fat guy over a guy that is in shape
Now, being In shape it does not mean that you have to be like Arnold Schwarzenegger in his prime. Just not being fat and have a bit of muscles will suffice in most cases, if the other aspects of your fundamentals are good