<P> The Human Development Index (HDI) then represents the uniformly weighted sum with ​ ⁄ contributed by each of the following factor indices: </P> <Ul> <Li> Life Expectancy Index = L E − 25 85 − 25 (\ displaystyle (\ frac (LE - 25) (85 - 25))) </Li> <Li> Education Index = 2 3 × A L I + 1 3 × G E I (\ displaystyle (\ frac (2) (3)) \ times ALI+ (\ frac (1) (3)) \ times GEI) <Ul> <Li> Adult Literacy Index (ALI) = A L R − 0 100 − 0 (\ displaystyle (\ frac (ALR - 0) (100 - 0))) </Li> <Li> Gross Enrollment Index (GEI) = C G E R − 0 100 − 0 (\ displaystyle (\ frac (CGER - 0) (100 - 0))) </Li> </Ul> </Li> <Li> GDP = log ⁡ (G D P p c) − log ⁡ (100) log ⁡ (40000) − log ⁡ (100) (\ displaystyle (\ frac (\ log \ left (GDPpc \ right) - \ log \ left (100 \ right)) (\ log \ left (40000 \ right) - \ log \ left (100 \ right)))) </Li> </Ul> <Li> Life Expectancy Index = L E − 25 85 − 25 (\ displaystyle (\ frac (LE - 25) (85 - 25))) </Li> <Li> Education Index = 2 3 × A L I + 1 3 × G E I (\ displaystyle (\ frac (2) (3)) \ times ALI+ (\ frac (1) (3)) \ times GEI) <Ul> <Li> Adult Literacy Index (ALI) = A L R − 0 100 − 0 (\ displaystyle (\ frac (ALR - 0) (100 - 0))) </Li> <Li> Gross Enrollment Index (GEI) = C G E R − 0 100 − 0 (\ displaystyle (\ frac (CGER - 0) (100 - 0))) </Li> </Ul> </Li>

Table 1 human development index and its components