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The Gini coefficient is a number between 0 and 1 or 100, where 0 represents perfect equality (everyone has the same income). Meanwhile, an index of 1 or 100 implies perfect inequality (one person has all the income, and everyone else has no income).
The Wealth Gini coefficients from 2008 are based on a working paper published by the National Bureau of Economic Research. [5] The Wealth Gini numbers for 2018, 2019, and 2021 come from the Global Wealth Databook by Credit Suisse. [6] [7] [8] * indicates "Wealth inequality in COUNTRY or TERRITORY" or "Income inequality in COUNTRY or TERRITORY ...
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 from 2013. [1]
Gini: Higher Gini coefficients signify greater inequality in wealth distribution. A Gini coefficient of 0 reflects perfect wealth equality, where all wealth values are the same, while a Gini coefficient of 1 (or 100%) reflects maximal wealth inequality, a situation where a single individual has all the wealth while all others have none.
The Italian statistician Corrado Gini developed the Gini coefficient and published it in his 1912 paper Variabilità e mutabilità (English: variability and mutability). [16] [17] Building on the work of American economist Max Lorenz, Gini proposed using the difference between the hypothetical straight line depicting perfect equality and the actual line depicting people's incomes as a measure ...
Greenland (2015): Gini Index coefficient. CIA World Factbook. Retrieved on 16 July 2021. Saudi Arabia (2013): The World Factbook. CIA.gov. Central Intelligence Agency. Retrieved on 28 May 2019. Cambodia (2013): Income Gini coefficient. hdr.undp.org. World Bank. Archived from the original on 10 June 2010. Retrieved on 29 January 2020.
The Gini coefficient in 2019 was 88.2% and 89% in 2021, with an increase of 0.8% over this period. [ 23 ] The following table was created from information provided by the Credit Suisse Research Institute's "Global Wealth Databook", Table 3-1, published 2021.
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