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Q.How is the ‘Human Development Index’ measured ? Explain key areas of human development.

CBSECBSE Class XII Board 2024Subjective· 5mImportance★★★★★
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The Human Development Index (HDI) measures a country’s average achievement in three basic dimensions of human development: a long and healthy life, access to knowledge, and a decent standard of living.

The idea of human development goes far beyond just income or economic growth. It asks a deeper question: are people actually able to live the lives they value? The Human Development Index, or HDI, was created by the United Nations Development Programme (UNDP) to capture this broader picture. Instead of looking only at how much a country produces, the HDI looks at what that production means for the real lives of its people.

The HDI is a composite index — it combines several indicators into a single number between 0 and 1. A score closer to 1 indicates higher human development. The index rests on three fundamental pillars, each representing a key area of human development.

1. A Long and Healthy Life

This dimension is measured by life expectancy at birth. It tells us, on average, how many years a newborn can expect to live if current mortality patterns stay the same. A high life expectancy usually reflects good healthcare, nutrition, sanitation, and overall public health. Without basic health, no other achievement matters much — you cannot learn, work, or participate in society if you are chronically ill or die young.

2. Access to Knowledge

This is measured by two indicators: mean years of schooling (the average number of years of education received by people aged 25 and older) and expected years of schooling (the number of years a child of school-entry age can expect to receive, given current enrolment rates). Education empowers people to make informed choices, earn a better living, and participate in civic life. It is the foundation of opportunity.

3. A Decent Standard of Living

This is measured by Gross National Income (GNI) per capita, adjusted for purchasing power parity (PPP). In plain terms, it looks at the average income of a country’s citizens, but adjusted so that the same amount of money buys the same basket of goods across different countries. This gives a fairer comparison of actual living standards. While income alone is not the goal of development, it provides the resources needed for health, education, and a dignified life. …

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