A country is described as developing if

A.

The income per head is low

B.

The contribution of tertiary sector to national income is high

C.

The population is decreasing

D.

There is low labour supply

Correct answer is A

A country is described as developing if the income per head is low. A developing country is a country that is in the process of economic development. This means that the country is trying to increase its standard of living and improve the quality of life for its citizens.
One of the key indicators of a developing country is the income per head. This is the average income of a person in the country. If the income per head is low, it means that the standard of living in the country is also low.