Median Age is the average age of the population. 50 percent in the populace is older and one other fifty percent is more youthful. Gender is self-documented by people when questioned with regards to their sex at delivery.V?i uy tín và ch?t l??ng ph?c v??hàng ??u, OK9 ?em ??n tr?i nghi?m cá c??c on the web t?t nh?t cho ng??i ch?i, v?i nhi?u ?u ?