What is the emigration of a significant proportion of a country’s highly-skilled, highly educated professional population to other countries offering better economic and social opportunities called?

​The correct answer is Brain drain.

Key Points

• Brain drain is the emigration of a significant proportion of a country’s highly-skilled, highly educated professional population to other countries offering better economic and social opportunities.
• It is defined as the migration of health personnel in search of a better standard of living and quality of life, higher salaries, access to advanced technology and more stable political conditions in different places worldwide.

Additional Information

• The demographic transition theory is a generalized description of the changing pattern of mortality, fertility, and growth rates as societies move from one demographic regime to another. 
  • The demographic transition shows shifts in the demographics of a population during economic and social development. 
• The term closed population refers to a population with no migratory flow in or out so that changes in the population occur through births and deaths only.