Human Development Index (HDI)
Human
Development Index (HDI)
The
Human Development Index (HDI) is a statistical tool used to measure and
compare the average achievement of countries in key dimensions of human
development. It was developed by the United Nations Development
Programme (UNDP) and first introduced in 1990 as an alternative to
purely economic measures like GDP per capita.
The
HDI takes into account three main dimensions of human development:
Life
expectancy at birth: This dimension reflects the overall
health and well-being of the population by measuring the average number of
years a newborn is expected to live. It is an indicator of access to
healthcare, nutrition, and living conditions.
Education:
The education dimension is assessed through two indicators: mean years of
schooling for adults aged 25 and above and expected years of schooling for
children of school-going age. These indicators reflect the level of knowledge
and skills acquired by individuals and the opportunities for future education.
Gross
national income (GNI) per capita: This dimension represents
the economic aspect of human development and is measured by the GNI per capita
in purchasing power parity (PPP) terms. It reflects the average income of
individuals in a country and is used to assess their access to resources and
standard of living.
Each
dimension is given equal weight, and the HDI is calculated by combining the
values of these three dimensions on a scale of 0 to 1. A higher HDI value
indicates higher human development.
The
HDI is regularly updated and published in the Human Development Report by the
UNDP. It serves as a valuable tool for policymakers,
researchers, and international organizations to compare and track the progress
of countries in terms of human development over time.
Pankaj Mandape
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