World Bank open data — 1600+ development indicators for 200+ countries. Returns most-recent values and 5-year trend for any indicator by country. Covers GDP, population, inflation, unemployment, FDI, debt, exports, CO₂, life expectancy, Gini, internet penetration, ease of doing business, and more. Accepts ticker-style aliases (gdp, inflation, unemployment) or full WB indicator codes. Sourced from api.worldbank.org — free, no key required. Use for country risk, macro comparisons, policy analysis