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Income ratios include the pre-tax national income share held by top 10% of the population and the ratio of the upper bound value of the ninth decile (i.e. the 10% of people with highest income) to that of the upper bound value of the first decile (the ratio of the average income of the richest 10% to the poorest 10%).
World Inequality Report is a report by the World Inequality Lab at the Paris School of Economics that provides estimates of global income and wealth inequality based on the most recent findings compiled by the World Inequality Database (WID). WID, also referred to as WID.world, is an open source database, that is part of an international ...
Economic inequality is an umbrella term for a) income inequality or distribution of income (how the total sum of money paid to people is distributed among them), b) wealth inequality or distribution of wealth (how the total sum of wealth owned by people is distributed among the owners), and c) consumption inequality (how the total sum of money spent by people is distributed among the spenders).
Knowing that social mobility is a measure of income inequality, Suriyanrattakorn and Chang, researchers at Udon Thani Rajabjat University and National Chung Hsing University respectively, have found a relationship between the Global Social Mobility Index and life satisfaction measured by subjective well-being. [8]
The inequality income metric should be independent of the aggregate level of income. This may be stated as: = where α is a positive real number. Population independence Similarly, the income inequality metric should not depend on whether an economy has a large or small population.
This is a list of countries by inequality-adjusted Human Development Index (IHDI), as published by the UNDP in its 2024 Human Development Report.According to the 2016 Report, "The IHDI can be interpreted as the level of human development when inequality is accounted for", whereas the Human Development Index itself, from which the IHDI is derived, is "an index of potential human development (or ...
The income index is one component of the Human Development Index, but is also used separately. [2] The adjustment of income for inequality based on the Gini coefficient was first proposed by Amartya Sen in 1976. [3] The adjustment was first applied by the UN on income data in 1993, before later being expanded to the general HDI. [4] All data is ...
The bottom 50 percent wealth share is always less than 5 percent, whereas the bottom 50 percent income share generally falls in the 20 to 30 percent range. The bottom half of the population hardly owns any wealth, but it does earn appreciable income:The inequality of labor income can be high, but it is usually much less extreme.