The four main Human Development Indices developed by the Human Development Report are:
HDI - Human Development Index (a summary measure of human development)
The first Human Development Report (1990) introduced a new way of measuring development by combining indicators of life expectancy, educational attainment and income into a composite human development index, the HDI. The breakthrough for the HDI was the creation of a single statistic which was to serve as a frame of reference for both social and economic development. The HDI sets a minimum and a maximum for each dimension, called goalposts, and then shows where each country stands in relation to these goalposts, expressed as a value between 0 and 1.
GDI - Gender-related Development Index (the HDI adjusted for gender inequality)
This index measures achievement in the same basic capabilities as the HDI does, but takes note of inequality in achievement between women and men. The methodology used imposes a penalty for inequality, such that the GDI falls when the achievement levels of both women and men in a country go down or when the disparity between their achievements increases. The greater the gender disparity in basic capabilities, the lower a country's GDI compared with its HDI. The GDI is simply the HDI discounted, or adjusted downwards, for gender inequality.
The Gender Empowerment Measure (GEM) is a measure of agency. It evaluates progress in advancing women's standing in political and economic forums. It examines the extent to which women and men are able to actively participate in economic and political life and take part in decision-making. While the GDI focuses on expansion of capabilities, the GEM is concerned with the use of those capabilities to take advantage of the opportunities of life.
HPI - Human Poverty Index (the level of human poverty)
Rather than measure poverty by income, the HPI uses indicators of the most basic dimensions of deprivation: a short life, lack of basic education and lack of access to public and private resources. The HPI concentrates on the deprivation in the three essential elements of human life already reflected in the HDI: longevity, knowledge and a decent standard of living.
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"Human development and human rights are enshrined in today’s world. But they have not yet become the core values of our reality. The stability and success of any country will not be secure until we are able to spread the benefits in a more equitable manner. The obscene wealth of the few cannot be at the expense of the hungry and the destitute." Reverend Desmond M. Tutu
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