As of now, we do not know how tall a YoungBoy 2022 will be. We can only make an estimate based on the average height of a human being and the average rate of growth for boys. Based on these averages, we predict that a YoungBoy 2022 will be about 5 feet 9 inches tall. However, this is just an estimate and your son may end up being taller or shorter than this prediction.