The most common index for measuring developments is
Answer Details
The most common index for measuring developments is the per capita income. This index is used to measure the economic development of a country or region by dividing the total income of that area by its total population. It provides a measure of the average income per person and is widely used as an indicator of a country's standard of living and economic growth. By looking at the per capita income, policymakers can make informed decisions about economic policies and development programs.