5 huge databases from the World Bank with financial and demographic info on all countries. Create your own queries, generate tables, and more. Best to watch the tutorial first. Check out the Poverty and Equity database.
Reports and data on international economics, development, employment, and more from the Organisation for Economic Cooperation and Development. Use the Browse by Theme option or search "income inequality" to narrow results.
A data archive of datasets related to social and political research, made available through the Inter-University Consortium for Political and Social Research at the University of Michigan. CMU affiliates have access to member-only data. To create an account, click Log In from the home page and then Create Account. Note that you must be in the CMU IP range when creating an account (either on campus, or using the Full VPN). Once an account is created, you can access the resource from any location using the link above. Use this guide for more info.
816,000 economic data time series from 107 national, international, public, and private sources, along with tools for interaction, display, and dissemination. Use the "Browse by Category - Population, Employment, & Labor Markets" subsection to narrow results.
triennial cross-sectional survey of U.S. families, with information on families’ balance sheets, pensions, income, and demographic characteristics. Sponsored by the Federal Reserve Board and the US Treasury.
SIPP is the premier source of information for income and program participation. SIPP collects data and measures change for many topics including: economic well-being, family dynamics, education, assets, health insurance, childcare, and food security.
from the Conference Board - annual data on GDP, population, employment, hours, labor quality, capital services, labor productivity, and total factor productivity for 123 countries. Requires free account.