Diffusion Indexes of Industrial Production: Diffusion Index of Industrial Production, Six Months Earlier (DIFFSIX)

May 2026: 57.2881
Updated: Jul 17, 2026 8:19 AM CDT
May 2026:  57.2881  
Apr 2026:  61.3559  
Mar 2026:  52.5424  
Feb 2026:  48.8136  
Jan 2026:  46.4407  
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Units:

Percent,
Seasonally Adjusted

Frequency:

Monthly

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Notes

Source: Board of Governors of the Federal Reserve System (US)  

Release: G.17 Industrial Production and Capacity Utilization  

Units:  Percent, Seasonally Adjusted

Frequency:  Monthly

Notes:

The Federal Reserve's monthly index of industrial production and the related capacity indexes and capacity utilization rates cover manufacturing, mining, and electric and gas utilities. The industrial sector, together with construction, accounts for the bulk of the variation in national output over the course of the business cycle. The industrial detail provided by these measures helps illuminate structural developments in the economy. The industrial production (IP) index measures the real output of all relevant establishments located in the United States, regardless of their ownership, but not those located in U.S. territories. For more information, see the explanatory notes issued by the Board of Governors. For recent updates, see the announcements issued by the Board of Governors.

Suggested Citation:

Board of Governors of the Federal Reserve System (US), Diffusion Indexes of Industrial Production: Diffusion Index of Industrial Production, Six Months Earlier [DIFFSIX], retrieved from FRED, Federal Reserve Bank of St. Louis; https://fred.stlouisfed.org/series/DIFFSIX, .

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