(4) HDI ranking is based on a scorebetween 0 and 1. It has threecomponents, and each componentis given a weightage of 1/3. Thethree components of HDI are lifeexpectancy at birth, grossenrolment ratio and per capitaincome. 185 member states, alongwith Palestine and Hong Kong, areincluded in the HDI Report while 8are excluded because of lack ofdata.