U.S. Econ Data Lab
Live official series, adjustable calculations, long-run context, and a dedicated reading lens for Capital in the Twenty-First Century.
Series catalog
Growth & production
The broadest inflation-adjusted measure of current U.S. production, shown at an annualized quarterly rate.
Source agency: U.S. Bureau of Economic Analysis. Delivered through FRED. This product uses the FRED® API but is not endorsed or certified by the Federal Reserve Bank of St. Louis.
Capital & inequality lens
The book’s official chapter files define this collection. Current WID and U.S. agency series will extend—not silently replace—the historical estimates used in the text.
National, private, public, housing, domestic, and foreign wealth relative to national income.
Saving, growth, capital/income ratios, labor share, capital share, returns, and Tobin’s Q.
Top income and wage shares, distribution groups, income composition, and minimum wages.
Top wealth shares, r versus g, inheritance, portfolio composition, and unequal returns.
Tax revenue, public spending, top income and inheritance tax rates, debt, saving, and deficits.
Updated U.S. series
Percent of the relevant total ·
Book map prepared from Thomas Piketty’s official chapter spreadsheets. Current distributional estimates are from WID and retain their own definitions and methodology.