4-4  人口年龄构成和抚养比
Age Composition and Dependency Ration of Population
单位：％	(%)
年  份	各年龄段人口比重			总抚养比
	Percentage to Tatal Population By Age				少年儿童	老年人口
	0-14岁	15-64岁	65岁以上	Gross	Children	Old
Year	Aged	Aged	Aged 65	Dependency	Dependency	Dependency
	0-14	15-64	and Over	Ratio	Ratio	Ratio
1953	36.71	59.25	4.04	68.78	61.96	6.82
1964	41.26	55.23	3.51	81.06	74.71	6.35
1982	33.06	62.40	4.57	60.30	52.98	7.32
1990	28.88	65.98	5.15	51.57	43.77	7.80
1991	30.21	64.07	5.72	56.08	47.15	8.93
1992	30.15	64.19	5.66	55.78	46.96	8.82
1993	29.30	65.09	5.61	53.64	45.02	8.62
1994	28.31	66.43	5.26	50.53	42.62	7.91
1995	28.88	65.40	5.72	52.90	44.16	8.74
1996	28.90	65.11	6.00	53.59	44.38	9.21
1997	27.63	66.52	5.85	50.33	41.54	8.79
1998	27.15	66.15	6.70	51.16	41.04	10.12
1999	26.28	66.58	7.14	50.21	39.48	10.73
2000	25.02	69.04	5.94	44.84	36.24	8.60
2001	24.49	68.78	6.73	45.39	35.61	9.78
2002	22.35	69.64	8.01	43.60	32.09	11.51
2003	20.90	71.35	7.75	40.15	29.29	10.86
2004	19.81	72.54	7.65	37.86	27.31	10.55
2005	19.76	71.66	8.58	39.55	27.57	11.97
2006	18.70	72.70	8.60	37.55	25.72	11.83
2007	18.13	72.91	8.96	37.16	24.87	12.29
2008	17.75	73.28	8.97	36.46	24.22	12.24
2009	17.05	73.84	9.11	35.43	23.09	12.34
2010	14.71	76.76	8.53	30.27	19.16	11.11
注：本表为人口普查、人口变动情况抽样调查数。抚养比指0-14岁、65岁以上人口占15-64岁人口的比重。
a) Data in this table are obtained from the national population census and the annual national sample surveys on population changes.
Dependency ratio  refers to the population aged 0-14,65 and over as percentage of the population aged 15-64.