Briefly describe the trend of population distribution and migration in modern China. Detailed! !

Domestic: The most direct causes of migration are: migration, war and natural disasters.

Before the Qing dynasty: the reason for moving from the Yellow River basin to the Pearl River and Yangtze River basins was war.

Qing Dynasty-New China: Going to the East for economy and going to the West for economy.

Before the reform and opening up after the founding of the People's Republic of China: responding to the call of the state, developing Xinjiang, etc. Due to the planned economy and strict household registration management, population migration is less.

After the reform and opening up: from backward areas to developed areas, population flows frequently and the scale increases.

Population Migration in China since the Founding of New China;

Before the mid-1980s.

Planned economic system

Strict household registration management system, planned and organized.

The state has transferred various personnel from eastern cities to support the construction of western, inland and border areas.

A large number of rural population moved from the densely populated areas in the east to the northwest and northeast.

Spontaneous migration of reform and opening-up policy after the mid-1980s.

1. Inland to coastal areas

2. Mountain to Plain

3. Poverty-stricken areas to developed areas "migrant workers"

The significance of population migration:

Adjust the spatial distribution of population and talent shortage, strengthen ethnic integration and cultural exchanges, promote economic development, and narrow regional differences.

The influence of population migration on the place of immigration and the place of emigration;

For places where the population moves out, the good effect is to reduce the population density and relieve the pressure of the population on the environment.

Negative effects include the loss of talents and labor.

For the place where people move in: the good influence is the inflow of talents, providing cheap labor, which is conducive to economic development.

The bad effects include the increase of population density and the increasing pressure of population on the environment.

Factors affecting population migration:

(1) changes in natural environment and socio-economic environment (2) changes in personal needs for life or occupation.

Among the factors affecting population migration, economic factors often play an important role.