中文摘要：

人口系统是一个远离平衡态的非线性开放系统，其可持续发展是建立在社会、经济、资源、环境的支撑之上，基于此建立了包括人口子系统、社会经济子系统和资源环境子系统的评价指标体系框架，并以浙江省宁波市鄞州区为例，选取了因子分析及主成分分析法对区域人口可持续发展状态进行衡量和评价，并根据评价结果从指导思想、调控实施等方面提出相应对策。

英文摘要：

The population system is an open system which is far from the equilibrium state. The sustainable development of population is built on the support of social, economic, resources and environment system. A framework of regional sustainable development of population system is established, including population subsystem, socio-economic subsystem and environment subsystem. Taking Yinzhou District in Ningbo City, Zhejiang as an example, the factor analysis and principal component analysis are made to analyse the state of population sustainable development. Based on the results of the evaluation, the article puts forward specific proposals, such as guiding ideology, regulation and control to improve the sustainability of the population dcuelopment.