Observations

Mar 2026: 39.1278

Updated: Apr 16, 2026 8:21 AM CDT

Mar 2026:	39.1278
Feb 2026:	39.1824
Jan 2026:	39.1789
Dec 2025:	39.3189
Nov 2025:	39.0413

Units:

Percent,

Seasonally Adjusted

Frequency:

Monthly

Notes

Title	Release Dates

Relative Importance Weight (Contribution to the total industrial production index): Final products	2015-02-18	2020-09-21
Relative Importance Weights: Final Products	2020-09-22	2026-04-16

Source

Board of Governors of the Federal Reserve System (US)	2015-02-18	2026-04-16

Release

G.17 Industrial Production and Capacity Utilization	2015-02-18	2026-04-16

Units

Percent	2015-02-18	2026-04-16

Frequency

Monthly	2015-02-18	2026-04-16

Seasonal Adjustment

Seasonally Adjusted	2015-02-18	2026-04-16

Notes

The IP proportions (typically shown in the first column of the relevant tables in the G.17 release) are estimates of the industries' relative contributions to overall growth in the following year. For example, the relative importance weight of the motor vehicles and parts industry is about 6 percent. If output in this industry increased 10 percent in a month, then this gain would boost growth in total IP by 6/10 percentage point (0.06 x 10% = 0.6%). Source Code: RIW.B50002.S	2015-02-18	2020-09-21
The Industrial Production (IP) proportions (typically shown in the first column of the relevant tables in the G.17 release) are estimates of the industries' relative contributions to overall growth in the following year. For example, the relative importance weight of the motor vehicles and parts industry is about 6 percent. If output in this industry increased 10 percent in a month, then this gain would boost growth in total IP by 6/10 percentage point (0.06 x 10% = 0.6%). For more information, see the explanatory notes (https://www.federalreserve.gov/releases/g17/About.htm) issued by the Board of Governors. For recent updates, see the announcements (https://www.federalreserve.gov/feeds/g17.html) issued by the Board of Governors Source Code: RIW.B50002.S	2020-09-22	2024-07-16
explanatory notes (https://www.federalreserve.gov/releases/g17/About.htm) issued by the Board of Governors. For recent updates, see the announcements (https://www.federalreserve.gov/feeds/g17.html) issued by the Board of Governors.	2024-07-17	2026-04-16

Relative Importance Weights: Final Products (RIWB50002S)

Notes

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