Data & Statistics

Data behind the numbers

Free, fully-sourced reference data that powers our calculators — pulled from primary sources like the Federal Reserve and the CDC. Cite freely.

Federal Reserve · SCF 2022
Net Worth by Age (U.S.)
Median and average household net worth for every age group, with a chart and full table.
CDC · AASM
How Much Sleep by Age
Recommended hours of sleep per 24 hours from newborns to older adults.

About this data

Each page here cites its primary source and links back to the original dataset. Figures are provided for informational and educational purposes only and are not financial or medical advice. More data references are added over time.