Market Data
Effective Tariff Monitor 2025: Manufacturers Paid 12.4% at the Border
The annual reading of what manufacturing importers actually paid: 12.4% of customs value across 57 tracked families, up from 3.3% in 2024.
Across the 57 manufacturing import families MFG Calcs tracks, importers paid $69.1B in calculated duties on $559.3B of customs value in 2025: an average effective tariff of 12.4%, up from 3.3% in 2024. The effective rate is measured from USITC DataWeb customs outcomes, so it captures Section 301/232 overlays, exclusions, and trade-program use that the printed schedule cannot.
- Average effective rate, 2025: 12.4%
- Calculated duties collected: $69.1B
- Customs value of imports: $559.3B
Highest effective rates, 2025
- Steel fasteners: 35.91% effective (statutory MFN Free–12.5%)
- Iron and steel castings and articles: 34.54% effective (statutory MFN Free–8.6%)
- Aluminum semi-finished products: 32.81% effective (statutory MFN Free–6.5%)
- Aluminum articles: 31.11% effective (statutory MFN Free–6%)
- Springs, chain, and wire mesh: 30.76% effective (statutory MFN Free–3.9%)
Biggest moves vs 2024
- Steel fasteners: +29.4 points to 35.91%
- Aluminum semi-finished products: +26.7 points to 32.81%
- Iron and steel castings and articles: +26.3 points to 34.54%
- Springs, chain, and wire mesh: +25.9 points to 30.76%
- Aluminum articles: +23.2 points to 31.11%
This is the current reading; it will revise as USITC finalizes 2025 trade data and refreshes monthly. Family-level detail (statutory rate lines, per-country effective rates, and import values) lives on the Tariff Monitor pages and in the downloadable dataset. Reference statistics derived from USITC published data. Not a customs ruling; verify rates with a licensed customs broker before relying on them.
Cite this release: MFG Calcs, "Effective Tariff Monitor 2025," MFG Calcs Data Library, 2026, https://www.mfgcalcs.com/news/effective-tariff-monitor-2025.
Statutory vs effective rates for 57 manufacturing families, with top source countries. Explore the Tariff Monitor
Published 2026-07-19.