Under-five mortality rate - Probability of dying between birth and exactly five years of age expressed per 1,000 live births.
Infant mortality rate - Probability of dying between birth and exactly one year of age expressed per 1,000 live births.
GNP per capita - Gross national product (GNP) is the sum of gross value added by all resident producers, plus any taxes that are not included in the valuation of output, plus net receipts of primary income from non-resident sources. GNP per capita is the gross national product, converted to United States dollars using the World Bank Atlas method, divided by the mid-year population.
Life expectancy at birth - The number of years newborn children would live if subject to the mortality risks prevailing for the cross section of population at the time of their birth.
Adult literacy rate - Percentage of persons aged 15 and over who can read and write.
Gross primary school enrolment ratio - The number of children enrolled in primary school, regardless of age, divided by the population of the age group that officially corresponds to primary schooling.
Income share - Percentage of income received by the 20 per cent of households with the highest income and by the 40 per cent of households with the lowest income.
Under-five and infant mortality rates - UNICEF, United Nations Population Division and United Nations Statistics Division
Total population - United Nations Population Division
Births - United Nations Population Division
Under-five deaths - UNICEF
GNP per capita - World Bank
Life expectancy - United Nations Population Division
Adult literacy - United Nations Educational, Scientific and Cultural Organization (UNESCO)
School enrolment - United Nations Educational, Scientific and Cultural Organization (UNESCO)
Household income - World Bank