Sweating is not a measurement of workout. Some sweat and some not. The indication of good workout is Feeling energized, Improvements in strength or stamina, Feeling accomplished, sleep better and many more.

Sweat is not the only metric, that can tie in to age, hormones and genetics. Level of fitness plays a role as well. I don't tend to sweat excessively unless prolonged cardio, boxing, grappling, or just hot