What are the causes of difference in Rural and Urban workers ratio?

(i) In rural areas :
(A) Lack of resources : People have limited re-sources to get income and employment.
(B) Lack of education : Most of the people are deprived of school, college education, etc.
(ii) In urban areas
(A) Urban people have more employment op-portunities.
(B) They get the appropriate job to suit their skills and qualifications. It shows that the difference in worker ratio is higher in urban areas than that of rural areas.