Which of the following factors are included in the calculation of human development index ?

The Human Development Index (HDI), published by the United Nations Development Programme (UNDP) since 1990, is a composite index measuring average achievement in three fundamental dimensions of human development: a long and healthy life (measured by life expectancy at birth), knowledge (measured by adult literacy/schooling), and a decent standard of living (measured by gross national income per capita adjusted for purchasing power parity). Hence, 'All of the given options are correct'.