There is a significant difference between men and women with regard to their metabolic rate. Age being a constant factor influencing metabolism, at a given point, men always have a higher rate of metabolism than women. Age being a constant factor influencing metabolism, at a given point, men always have a higher rate of metabolism as compared to women.
News research shows that, although fat metabolism is increased by exercise and training, there might be gender differences in the way we store and metabolism fat during rest and exercise. Women generally have higher percentage of body fat than men.
Men have more fat around the abdomen, called Android obesity, while women have fat deposit around the hips called Gynecoid obesity. Since men have a higher BMR than women, it means that they also have higher daily calorie needs than women.
Hence, if the quantity of food remains constant, women would gain weight faster than men as their calorie requirements are lower.