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Index/Topics/China and Mexico's role in U.S. fentanyl supply (2017-2019)

China and Mexico's role in U.S. fentanyl supply (2017-2019)

The shift in China's role from a direct supplier of finished fentanyl to a supplier of precursor chemicals and manufacturing equipment, and Mexico's evolution into the dominant source of U.S.-bound finished fentanyl.

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Jan 5, 2026

How have Mexico and China changed as source countries for fentanyl and its precursors since 2018, according to U.S. agency reports?

U.S. agency reporting describes a clear shift since 2018: China moved from being the main direct supplier of finished fentanyl into U.S. markets to being primarily a supplier of precursor chemicals an...