Coordination Development Study on the Economic System and the Population System of Gansu Province

According to coordination development model and the time series data,this paper analyzed coordination development between economic and population system of Gansu Province.The results showed that the coordination of economic development and population in the process of continuous improved over the past 10 years.The coordination coefficient of economic and population constant had been increasing from 1998 to 2007.But the types of coordination of 14 states didn’t change.