World Inequality Database (WID.world) ↗Wealth and income distribution data for 100+ countries. Uses tax records, surveys, and national accounts to produce the most comprehensive inequality database available.

Chancel, L., Piketty, T., Saez, E., Zucman, G. (2022). World Inequality Report 2022.

访问日期：2026

Forbes Real-Time Billionaires ↗Daily tracking of the world's wealthiest individuals. Net worth figures are estimates based on stock prices, exchange rates, and reported assets.

访问日期：2026

OECD Data Explorer ↗Average annual wages, tax statistics, and economic indicators for OECD member countries.

访问日期：2026

World Bank Open Data ↗Consumer price indices, GDP, and development indicators for all countries.

访问日期：2026

FRED (Federal Reserve Economic Data) ↗House price indices (BIS residential property prices) and other economic time series.

访问日期：2026