Generally speaking a man is going to be larger and stronger than a woman or child. But yes, it depends on the individual and the specific situation as people come in all different shapes, sizes, and levels of training. Again, that would depend on the situation. A large 16 year old with ill intentions can be a serious threat. And as it is 16 year olds are often not considered children in court in terms of how they can be charged. Lots of 16 year olds are charged as adults particularly for violent crimes. So in court 16 year olds often are considered adults at least in terms of how they can be charged for crimes.