安徽省人口的年龄结构和性别比

The Age Structure of Population and Sex Ratio in Anhui Province

对安徽省五次人口普查的年龄结构和性别比进行了分析,结果显示:(1)2000年第五次普查时,全省常住人口为58999948人,人口密度为423/km^2。人口总量和人口密度比1953年第一次普查时翻了近一倍。青少年系数逐年下降,老年系数和年龄中位数逐年上升。2000年已进入老年型,预期寿命达到72.62岁。人口总量变化具有明显的阶段性。(2)2000年总人口性别比(106.57)比1990年(106.89)下降0.32,比1953年(110.65)下降4.08。比全国2000年低0.17,仍高于通常值域范围(95-102)。0-19岁年龄性别比偏高(均>110),其中0-4岁(129.77)和5-9岁(119.67)分别比1990年上升20.26和8.75。镇(107.54)和农村(106.53)人口性别比高于市区(105.90)。各地人口性别比不同,合肥市最高(110.54),安庆市最低(100.36),相差10.18。汉族人口性别比(106.68)高于少数民族(平均91.33)。

To analyze the age structure and sex ratio on five-time census in 2000 of Anhui province, the results are as follows： （1） The residents were 58,999,948 in the fifth census of 2000 and the population density was 423/km2. The ratio of total population to the density was almost twice while comparing with that of the first census in 1953. The coefficients of the youngsters were on the decline while the coefficients and the median age of the elders were on the increase each year. It had entered the type of elders in 2000 and the life expectancy would be prolonged to 72.62 years old. The phase in the change of the total population was obvious. （2） The sex ratio （106.57） of total population in 2000 of Anhui was 0.32 lower than that of 1990, 4.08 lower than that of 1953 and 0.17 lower than that of the whole country （107.74） in 2000. But it was higher than the normal value range （95~102）. The sex ratio was higher （all〉ll0） in the group of 0~lgyears. In 0~4 years （129.77） and 5~9 years （119.67）, the sex ratio was 20.26 and 8.75 higher than that of 1990 separately. In the towns （107.54） and villages （109.53）, the sex ratio of population was higher than that of cities （105.90）. The sex ratio varied with different areas in Anhui province. Hefei was highest （110.48） and Anqing was the lowest （100.36）. There were 10.18 differences between them. The sex ratio of Han nationality （106.68） was higher than that of other minority nationalities（average 91.33）.