<P> The Human Development Index ( HDI ) is a composite 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 higher HDI when the lifespan is higher , the education level is higher , and the GDP per capita is higher . The HDI was developed by Pakistani economist Mahbub ul Haq for the UNDP . </P>
which parameters are included in the calculation of the hdi
life expectancy education per capita income