U.S. imports of Phosphatic Fertilizers (NAICS 325312) totaled $435.5M in August 2026, imported from 60 countries.
Importers of Phosphatic Fertilizers paid $2.0M in duties in August 2026, an average duty rate of 0.47% — duty actually collected as a share of the imports that cleared customs, not the published tariff schedule.
Last updated: August 2026 dataDiammonium phosphate (DAP) and monoammonium phosphate (MAP) dominate US phosphatic fertilizer imports, classified in HTS Chapter 31 by phosphate compound type and nutrient grade. Countervailing duty investigations have scrutinized phosphate fertilizer imports from major producing countries, reflecting the concentrated global supply base for phosphate rock. Importers should be aware that phosphogypsum, a byproduct sometimes co-shipped, carries separate EPA regulatory requirements distinct from the fertilizer itself.
AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.
8.1K import shipments a month
Both diammonium phosphate (DAP) and monoammonium phosphate (MAP) fall within HTS Chapter 31, but they are classified in distinct subheadings based on their ammonium-to-phosphate ratio and nutrient content. Lab certification of the N-P ratio is standard practice for customs entry, as the nutrient grade determines the applicable subheading and any associated duty or trade-remedy treatment.
Yes. The US International Trade Commission and Department of Commerce have conducted countervailing duty investigations on phosphate fertilizers from certain major producing countries. Importers should check the current status of any orders or preliminary determinations with the Department of Commerce before finalizing purchase contracts, as CVD cash deposit requirements can significantly affect landed cost.
National industry 1 of 2 in naics industry 32531
National industry 325312 · $435.5M of $699.7M
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Imports · August 2026
origin
Canada and Morocco together supply 68% of it.
customs district
Census does not publish district detail for this classification system.
destination
Census publishes state breakdowns for NAICS to the 4-digit level only. See NAICS 3253 for those.
entry
Census does not publish port detail for this classification system.
ImportsExports
Imports
$435.5MYoY · free account
Exports
$442.1MYoY · free account
12-mo low · imports
Low · free accountOver the twelve months to August 2026, the U.S. imported $5.4B of Phosphatic Fertilizers and exported $5.2B.
Through August 2026. Source: U.S. Census Bureau.