Full methodology is documented on the About page. This page lists the primary data sources for quick reference.
US Bureau of Labor Statistics (BLS)
Consumer Price Index CPI-U, wage data, employment statistics.
https://www.bls.gov/US Census Bureau
Median household income, housing prices, population, American Community Survey.
https://www.census.gov/USDA Economic Research Service
Food retail prices, agricultural commodity prices.
https://www.ers.usda.gov/US Energy Information Administration
Historical fuel prices 1949 to present.
https://www.eia.gov/Federal Housing Finance Agency
House Price Index, mortgage data.
https://www.fhfa.gov/US Department of Labor
Federal minimum wage history 1938 to present.
https://www.dol.gov/Billboard
Hot 100 singles chart data from 1958.
https://www.billboard.com/Box Office Mojo
Domestic box office results.
https://www.boxofficemojo.com/National Center for Education Statistics
University tuition and fees.
https://nces.ed.gov/Robert Shiller / Multpl.com
Long-run S&P 500 data from 1871.
https://www.multpl.com/CoinGecko
Bitcoin historical price data.
https://www.coingecko.com/World Gold Council
Gold price history.
https://www.gold.org/Pew Research Center
Generation definitions.
https://www.pewresearch.org/