# Economy > Inequality Stats: compare key data on China & India

#### Definitions

• GINI index: Gini index measures the extent to which the distribution of income (or, in some cases, consumption expenditure) among individuals or households within an economy deviates from a perfectly equal distribution. A Lorenz curve plots the cumulative percentages of total income received against the cumulative number of recipients, starting with the poorest individual or household. The Gini index measures the area between the Lorenz curve and a hypothetical line of absolute equality, expressed as a percentage of the maximum area under the line. Thus a Gini index of 0 represents perfect equality, while an index of 100 implies perfect inequality."
• Income share held by fourth 20%: Percentage share of income or consumption is the share that accrues to subgroups of population indicated by deciles or quintiles. Percentage shares by quintile may not sum to 100 because of rounding.
• Income share held by highest 10%: Percentage share of income or consumption is the share that accrues to subgroups of population indicated by deciles or quintiles.
• Income share held by highest 20%: Percentage share of income or consumption is the share that accrues to subgroups of population indicated by deciles or quintiles. Percentage shares by quintile may not sum to 100 because of rounding.
• Income share held by lowest 10%: Percentage share of income or consumption is the share that accrues to subgroups of population indicated by deciles or quintiles.
• Income share held by lowest 20%: Percentage share of income or consumption is the share that accrues to subgroups of population indicated by deciles or quintiles. Percentage shares by quintile may not sum to 100 because of rounding.
• Income share held by second 20%: Percentage share of income or consumption is the share that accrues to subgroups of population indicated by deciles or quintiles. Percentage shares by quintile may not sum to 100 because of rounding.
• Income share held by third 20%: Percentage share of income or consumption is the share that accrues to subgroups of population indicated by deciles or quintiles. Percentage shares by quintile may not sum to 100 because of rounding.
STAT China India
GINI index 41.53
Ranked 20th. 13% more than India
36.8
Ranked 26th.
Income share held by fourth 20% 22%
Ranked 10th. 8% more than India
20.37%
Ranked 26th.
Income share held by highest 10% 31.4%
Ranked 22nd. 1% more than India
31.13%
Ranked 23th.
Income share held by highest 20% 47.81%
Ranked 21st. 5% more than India
45.34%
Ranked 25th.
Income share held by lowest 10% 2.37%
Ranked 18th.
3.64%
Ranked 6th. 54% more than China
Income share held by lowest 20% 5.73%
Ranked 19th.
8.08%
Ranked 9th. 41% more than China
Income share held by second 20% 9.8%
Ranked 17th.
11.27%
Ranked 11th. 15% more than China
Income share held by third 20% 14.66%
Ranked 15th.
14.94%
Ranked 14th. 2% more than China

SOURCES: World Bank, Development Research Group. Data are based on primary household survey data obtained from government statistical agencies and World Bank country departments. Data for high-income economies are from the Luxembourg Income Study database. For more information and methodology, please see PovcalNet (http://iresearch.worldbank.org/PovcalNet/jsp/index.jsp).

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