Regional, rural and urban development

OECD Income Distribution Database: Gini, poverty, income, Methods and Concepts


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To benchmark and monitor income inequality and poverty across countries, the OECD relies on a dedicated statistical database: the OECD Income Distribution Database. Due to the increasing importance of income inequality and poverty issues in policy discussion, the database is now annually updated.

Increase in Gini coefficient of income inequality
OECD average, mid-1980s = 100

Gini coefficient graph income inequality


19 June 2014

Income Inequality Update 
Rising Inequality: Youth and poor fall further behind 

New OECD data show that, well into the recovery from the global economic crisis, the distribution of pre-tax and transfer income remains significantly more unequal than it was before.


Database (IDD in OECD.Stat) 

Trends and levels in Gini coefficients before and after taxes and transfers, average and median household disposable incomes, relative poverty rates and poverty gaps, before and after taxes and transfers, etc.

Compare your country? Data visualisation

Addtional visualisation: Explore this CNN dynamic map to show how, in its first 3 years, the crisis made the world more unequal

Methods and Concepts

Quality review of the OECD database on household incomes and poverty and the OECD earnings database (December 2012)

This quality review is in three main parts:
-Part I reports the results of a first self-assessment of different quality dimensions of the OECD Database on Household Income Distribution and Poverty (.pdf)
-Part II assesses the cross-country comparability of the OECD Earnings Distribution Database (.pdf)
-Part III provides detailed country data reviews on income distribution data, for the 34 OECD member countries. These country reviews compare the OECD benchmark series for income distribution and poverty reporting with alternative estimates which are available on a national or international basis -  each country separately (.pdf) including revised versions:

Other international databases related to income distribution


Related Documents


Income Inequality and Poverty

OECD Income Distribution Database: Gini, poverty, income, Methods and Concepts