The Gini coefficient was developed by the Italian statistician Corrado Gini and published in his 1912 paper „Variability and Mutability“ (Variabilità e mutabilità). It is a measure of statistical dispersion most prominently used as a measure of inequality of income distribution or inequality of wealth distribution. It is defined as a ratio with values between 0 and 1: A low Gini coefficient indicates more equal income or wealth distribution, while a high Gini coefficient indicates more unequal distribution. 0 corresponds to perfect equality (everyone having exactly the same income) and 1 corresponds to perfect inequality (where one person has all the income, while everyone else has zero income). The Gini coefficient requires that no one have a negative net income or wealth. Worldwide, Gini coefficients range from 0.23 in Sweden to 0.707 in Namibia.
The Gini index is the Gini coefficient expressed as a percentage, thus Serbia’s Gini index is 30% (Mathematically, this is equal to the Gini coefficient of 0.3, but the percentage sign is often omitted in the Gini index.)
Rank | Country | Gini index (by CIA) | Year of est. |
1. | 23 | 2005 | |
2. | 24 | 2005 | |
3. | 24 | 2005 | |
4. | 25 | 2005 | |
5. | 26 | 2005 | |
6. | 26 | 2005 | |
7. | 26 | 2005 | |
8. | 26 | 2005 | |
9. | 26 | 2005 | |
10. | 26.2 | 2001 | |
11. | 26.7 | 2005 | |
12. | 28 | 2005 | |
13. | 28 | 2005 | |
14. | 28 | 2005 | |
15. | 28 | 2005 | |
16. | 28 | 2005 | |
17. | 28 | 2005 | |
18. | 29 | 2001 | |
19. | 29 | 2005 | |
20. | 29.7 | 2002 | |
21. | 30 | 2000 | |
22. | 30 | 2003 | |
23. | 30 | 2003 | |
24. | 30.3 | 2003 | |
25. | 30.6 | 2002 | |
26. | 30.9 | 2005 | |
27. | 31 | 2006 | |
28. | 31 | 2005 | |
29. | 31.6 | 2005 | |
30. | 32 | 2005 |
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