What are the reasons for international population migration after World War II?

Political issues, the opposition between the two great powers, the unbalanced economic development of various countries, and the founding of Israel.

Migration characteristics:

1. From developing countries to developed countries.

2. Settled immigrants decreased and migrant workers increased (foreign workers).

Migration route:

1. Latin Americans go to work in North America

2. People from South Asia, South Europe and Africa go to work in West Asia.

3. Southern Europe, Africans to Western Europe

Impact:

The two world wars blocked the normal international population migration, but as soon as the war ended, the international population migration entered a new historical period and presented some new characteristics.

First of all, political international migration has increased dramatically. After the war, Europe redrawed its national boundaries, which made the countries in Eastern Europe enter and leave each other because of the changes in national boundaries. India and Pakistan were divided into two countries, forming the largest international migration in Asia: in independent African countries, the original colonists were forced to repatriate their populations.

Second, great changes have taken place in international migration flows. The demand for labor in the United States has decreased, and a large number of Europeans have returned home from colonies. With the rapid development of European economy and the reduction of population pressure after the war, the number of people who moved out decreased, and the region changed from a place where people moved out to a place where people moved in.

Third, the United States is still the main place of immigration, but the source structure of immigrants has changed. European immigration has decreased, and Latin America has become the main source of immigration. After 1970s, the number of immigrants in Asia surpassed that in Europe.

After the war, international population migration changed from the phenomenon that the population of capitalist countries migrated to backward colonies in history to the phenomenon that poor countries migrated to rich countries, which had different influences on developed countries and developing China countries.