The population which yields the highest level of income per head is known as

The population which yields the highest level of income per head is known as the optimum population. This refers to a situation where the population of a country is in balance with its resources and technology, such that each person can attain the highest possible standard of living. An optimum population strikes a balance between the advantages of a large population (such as economies of scale) and the disadvantages (such as resource depletion and environmental degradation).