- The World Bank : Market capitalization of listed domestic companies (current US$)
- World Federation of Exchanges database
- St. Louis FED FRED : Gross National Product (GNPA)
- St. Louis FED FRED : Gross Domestic Product (GDP)
Market capitalization of listed domestic companies (current US$) - United States
https://data.worldbank.org/indicator/CM.MKT.LCAP.CD?locations=US
