<prompt> Human development index includes AE:Crude death rateEducationLife expectancy at bihGDP  <response>: Human Development Index HDI is defined as a composite index combining indicators representing three dimensions: 1Longevity life expectancy at bih 2Knowledge adult literacy rate and mean years of schooling 3Income real GDP per capita in purchasing power parity in US dollars. The HDI values ranges between 0 to1. The HDI value for a country shows the distance that it has already travelled towards maximum possible value to 1 and also allows comparison with other countries. Ref : Parks Textbook of Preventive and Social Medicine; 18th edition; Page-16 