The HDI is a summary composite measure of a country's average achievements in basic aspects of human development, which are _______.
1. Health
2. Knowledge
3. Daily Income

The correct answer is 1) 1 and 2 only.

Key Points

• Human Development Index (HDI) is a composite index used to measure a country's average achievements in key dimensions of human development.
• The three key dimensions of HDI are health (measured by life expectancy), education (measured by mean years of schooling and expected years of schooling), and standard of living (measured by Gross National Income per capita).
• Health and knowledge are primary components of HDI, while daily income is not explicitly included as a separate dimension.
• The HDI was introduced by the United Nations Development Programme (UNDP) in its annual Human Development Report, first published in 1990.
• Countries are ranked based on their HDI scores to assess and compare their levels of development.

Additional Information

• Life Expectancy: A measure of the average number of years a person is expected to live, reflecting the health dimension of HDI.
• Mean Years of Schooling: The average number of completed years of education for individuals aged 25 years and older, used to assess the education dimension.
• Expected Years of Schooling: The total number of years a child entering school is expected to spend in education, assuming current enrollment patterns remain constant.
• Gross National Income (GNI) Per Capita: The aggregate income of a country divided by its population, adjusted for purchasing power parity (PPP), used to measure the standard of living.
• UNDP's Human Development Reports: Annual publications that analyze global issues and include the HDI rankings of countries, aiming to promote sustainable human development.