# M1 money supply
> Explore M1 money supply across all available countries.
- Unit: bn USD
- Frequency: Monthly
- Source: Federal Reserve — https://fred.stlouisfed.org/series/M1SL
- License: U.S. government work, public domain
- Interactive hub: https://econdash.org/chart/m1-money-supply
## Available Countries
- [United States](https://econdash.org/chart/m1-money-supply/USA.md)
## How to cite
APA: Federal Reserve. (2026). M1 money supply [Data set]. EconDash. Retrieved October 23, 2026, from https://econdash.org/chart/m1-money-supply
## Full data
Full time series: https://econdash.org/docs/agent-payments (free API trial for core indicators of 10 major economies; otherwise an API key or pay per call)