Modified Sahm Rule


Results
Advance of Committee
-
Days
Advance of Recession
-
Days
Accuracy
-
Modifications
Base
(Minuend)
Relative
(Subtrahend)
Recession
Smoothing Level
Base
(Minuend)
Relative
(Subtrahend)
Time Period
(Minimum)
Seasonal
Threshold
(Alpha)

Modified Sahm Rule

The modified Sahm Recession Indicator.
Show with Reference Lines and Recessions.
Data from 1965 to Present.
Interactive Tool Version 1.1 Beta.
Last updated: 13 February 2025.


Source: Claudia Sahm, Bureau of Labor Statistics (BLS).
Note: Indicator based on real-time unemployment rate data, adjusted annually for seasonal factors. The Sahm Recession Indicator signals a recession when the unemployment rate's three-month moving average rises by 0.50 percentage points or more relative to previous month's minimum average.

Visualized by: Giorgi Gviniashvili and Mark G. Shepard.
Author: Mark G. Shepard.