Community expertise drain

Name(s): 
Uncontrolled migration of village labour force
Nature 
Skilled workers from rural areas are obliged to leave their villages and seek work in the already overcrowded cities, due to the lack of industrial and commercial development elsewhere. Those who leave the village for further academic or technical training rarely return, and if they do they can seldom find employment.
Aggravates 
Type 
(E) Emanations of other problems