Except China, there have been several major migrations in the history of the world, including the time, reasons, general process and ending. thank you

1, population migration before modern society

A in the hunting era, with the progress of human civilization and the development of productive forces,

Humans gradually moved from tropical areas where they lived in early days to temperate and cold temperate forest areas.

B In ancient China, the population migrated from the Yellow River basin to the Yangtze River basin and the Pearl River basin.

2. Population migration in modern society

A. Europeans→ New World (America and Oceania): 65,438+At the beginning of the 9th century, on average, 200,000-300,000 Europeans migrated to America and Oceania every year. From 65438 to the late 1980s, the average annual emigration population increased to 600,000-700,000, even exceeding 1 10,000.

B. Africans → America: Portuguese, Spanish, Dutch, British and other colonists engaged in the slave trade for more than 300 years from16th century to the end of18th century, and the total number of slaves transported from Africa to America and Oceania reached about 20 million.

C. China people → Southeast Asia and North America: Mainly manifested in the massive migration of American workers to Southeast Asia (Malaysia, Philippines, Thailand, etc.). At the same time, Japanese and Indians also immigrated to Latin America and Southeast Asia on a small scale.

3. Population migration in modern society (mainly from rural areas to cities after World War II, that is, urbanization movement;

Move from places with poor living conditions to places with good living conditions. Mainly for economic reasons,

Supplemented by social and political reasons) is mainly manifested in:

A. The climax of international migration is coming to an end.

B foreign workers (labor export) have gradually become the main form of international population mobility.

C. the number of international refugees has increased and lasted for a long time. There are about 1996 refugees in the world.

D. brain drain in developing countries. Developed countries, such as the United States, Canada, Australia and other countries, have favorable economic treatment, attracting a large number of talents from developing countries, and the Philippines, Pakistan, Egypt, India and other countries have more brain drain. (/kloc-most obvious in the middle and late 9th century)

E. Europe's net immigration area has become a net immigration area. From 1950s to 1990s, the number of immigrants was 3.705 million-4.965438 million +0.9 million. For example, Denmark and Norway became net immigrant countries in the 1970s. 1990- 1995 Europe and North America * * * accept 17 10000 immigrants.

F. North America and Oceania are still the largest immigrant areas in the world.

G. Latin America has changed from a net immigrant area to a net immigrant area. From 1960s to 1970s, Latin American countries became the largest source of immigrants in North America.