International
- International Financial Statistics (IFS), International Monetary Fund
- International Labour Organisation (ILO)
- Maddison Historical Statistics, University of Groningen
- Penn World Tables (PWT), University of Groningen
- World Development Indicators (WDI), World Bank
- World Economic Outlook (WEO), International Monetary Fund
Latin America
- Encuesta Permanente de Hogares (EPH), INDEC
- Comisión Económica para América Latina (CEPAL)
- Latinobarometro
Italy
U.S
- American Community Survey (ACS), U.S. Census
- County Business Patterns (CBP), U.S. Census
- Integrated Public Use Microdata Series (IPUMS), University of Minnesota
- Quarterly Census of Employment and Wages (QCEW), BLS
- United States Patent and Trademark Office (USPTO)