Define the term "national brain drain."

National brain drain refers to the emigration of highly skilled and educated individuals from a country to seek better opportunities or higher wages in another country. This phenomenon can have negative impacts on the country losing its skilled workforce, as it can lead to a shortage of talent in key industries and hinder economic growth and development.

National brain drain refers to the emigration of highly educated and skilled professionals from their home country to another country in search of better opportunities, higher salaries, improved living conditions, and career advancement. This phenomenon results in a loss of valuable human capital for the country experiencing the brain drain and can have negative consequences on its economic growth, innovation, and overall development.