Federal Reserve Economic Data

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

Nov 2025: 54.2373
Updated: Jan 16, 2026 8:19 AM CST
Nov 2025:  54.2373  
Oct 2025:  44.7458  
Sep 2025:  51.5254  
Aug 2025:  55.2542  
Jul 2025:  57.6271  
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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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