联合国儿童基金会 (ＵＮＩＣＥＦ ,以下简称“儿基会”)把 5岁以下儿童死亡率作为衡量一个国家或地区发展和进步状况的一项最主要指标 ,并按 5岁以下儿童死亡率的高低把世界各国或地区排序 ,与有关指标共同使用来评价各国家的发展状况。本文根据这一原理 ,对辽宁省 1991～ 1999 The United Nations Children’s Fund (UNICEF) uses the under-five mortality rate as one of the most important indicators for measuring the development and progress of a country or region and measures the rate of child mortality under the age of 5 to The countries and regions in the world are ranked and used together with relevant indicators to evaluate the development of each country. Based on this principle, this paper gives a brief account of Liaoning Province from 1991 to 1999