Per capita disposable income of urban residents was 5,765.2 Yuan and per capita net income of rural residents was 3,269.9 Yuan . The number of university students per 10,000 population was 23.1, and hospital beds and doctors per 10,000 totalled 22.24 and 16.2 respectively. In the past years, the proportions in all education levels, except those illiterate and semi-literate, rose. In 1997, Jiangsu had a population of 69.48 million. Its population density was 700 persons per square kilometer, ranking first of all China s provinces.
Population density is high in the southern part of the province but low in the north.
The three areas with the lowest population density lie in the northern part of the province. In 1997, the NGR declined to 4.59 per 1,000. Nevertheless, in recent years, the sex ratio age group has tended to diverge from the normal value. In 1990, the sex ratio at birth was 114.88, which is high. Jiangsu Province has become an aged society.