100000 寿命表尚存人数曲线 80000 60000 40000 20000 5101520253035404550556065707580 AGE life populationlife population AGE 0 1 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 l 100000 80000 60000 40000 20000 寿命表尚存人数曲线