3-8  劳动年龄人口负担系数
number of persons raised per capita at working age
单位：％						(%)
项      目	item	1990	1995	2000	2005	2006
总负担系数	total dependency ratio	57.6	57.5	42.2	36.9	37.4
负担少年系数	the juvenile and children dependency ratio	49.6	47.3	32.7	25.0	25.1
负担老年系数	the aged dependency ratio	8.0	10.2	9.5	11.9	12.3
注:1990年、2000年为人口普查数,1995年为1％人口抽样调查数，2005年及2006年为人口变动抽样调查数。(下表同)
note:data in 1990 and 2000 are census data, data in 1995 are data from sample survey on 1% population. data in 2005 and 2006 are data from
fluctuant sample surrey on population.(the same in following table)