Developing countries have lower statistics than developed countries in each of the following categories except

a. literacy rate
b. income per family
c. average life expectancy
d. percentage of agricultural workers

When we say developing country, this is a country that can be classified as poor and is still seeking for advancement in their economy and all other aspects. Developed countries are the opposite to this. Developing countries have lower statistics income per family, the percentage of agricultural workers, and literacy rate except for the average life expectancy. 

Migration people get up and go cause they feel it is best for them 

Are there any words that will you