Question

Migration which flow from prosperous region to less prosperous region is

Answer 1

Answer:

emigration

just a guess

Answer 2

The flow or migration of people from prosperous region to less prosperous region is reverse migration or de-urbanization.

Migration, as we know, is the movement of people from one place to place. Often, people migrate to other areas for better facilities and opportunities. Reverse migration happens when people move from urban or prosperous areas to rural or less prosperous areas. This might be because of better environment and less pollution, availability of natural resources etc.