Global market cap by country data lives in a handful of databases. These six are the ones worth knowing, from free and official to premium and deep.

Free covers 90% of investors. Premium is for the other 10%.

  • World Bank WDI: free annual country market cap, % of GDP, and company counts.
  • World Federation of Exchanges: monthly exchange-reported market cap and trading statistics.
  • Siblis Research: free valuation and market-cap-to-GDP tables by country.
  • CapitalDrift (worldmarketstats.com): 104 countries, 2000-2025, with a free weekly movers leaderboard.
  • CEIC Data: premium 200+ country macro database for institutional-grade work.
  • IndexMundi: free country statistics with maps for quick reference.

Sources: World Bank WDI, CEIC Data

Pick the free one that fits, and only pay when you outgrow it. Most investors never need to.