<P> The Human Development Index ( HDI ) is a statistic composite index of life expectancy , education , and per capita income indicators , which are used to rank countries into four tiers of human development . A country scores a higher HDI when the lifespan is higher , the education level is higher , and the GDP per capita is higher . It was developed by Indian Nobel prize winner Amartya Sen and Pakistani economist Mahbub ul Haq , with help from Gustav Ranis of Yale University and Lord Meghnad Desai of the London School of Economics , and was further used to measure the country 's development by the United Nations Development Program ( UNDP ) . </P>
<P> The Human Development Index ( HDI ) is a statistic composite index of life expectancy , education , and per capita income indicators , which are used to rank countries into four tiers of human development . A country scores a higher HDI when the lifespan is higher , the education level is higher , and the GDP per capita is higher . It was developed by Indian Nobel prize winner Amartya Sen and Pakistani economist Mahbub ul Haq , with help from Gustav Ranis of Yale University and Lord Meghnad Desai of the London School of Economics , and was further used to measure the country 's development by the United Nations Development Program ( UNDP ) . </P>
the united nations measures the average income in countries through a complex index called
the united nations measures the average income in countries through a complex index called
Human Development Index ( HDI )
Human Development Index ( HDI )