Falling fentanyl deaths drive historic drop in American drug overdoses
A study by University of California San Diego researchers found U.S. overdose death rates dropped by 24.4% between 2023 and 2024, driven by declines in fentanyl-related deaths, though stimulant-only and xylazine-related overdoses are rising. The decline marks the first reduction in all four waves of the overdose crisis, but racial disparities persist, with American Indian and Alaska Native populations facing the highest death rates.
Researchers at the University of California San Diego reported a historic 24.4% drop in U.S. overdose death rates from 2023 to 2024, the first decline across all four waves of the nation’s overdose crisis. The study, published June 2, 2026 in *Addiction*, attributed the decrease primarily to falling deaths involving illicit fentanyl—both alone and combined with stimulants like methamphetamine and cocaine. Fentanyl-related deaths fell from 31,193 in 2023 to 19,673 in 2024 for fentanyl-only overdoses, and from 41,583 to 28,062 for fentanyl combined with stimulants. The decline marks the first reduction in the fourth wave of the crisis, characterized by lethal combinations of fentanyl and stimulants. However, the study highlights emerging threats: deaths from stimulants without fentanyl rose from 18,142 to 18,907, now accounting for 23.8% of overdose fatalities, while xylazine, a veterinary sedative, increasingly appears in fentanyl-related overdoses. Researchers warn stimulants may soon surpass opioids as the leading addiction-related public health challenge. The study analyzed CDC data from 1999 to 2024, revealing stark racial disparities. While non-Hispanic Black individuals saw the largest decline (29.3%), their 2024 death rates remained 1.5 times higher than the national average. American Indian and Alaska Native populations had the highest overdose death rate at 50.8 per 100,000—more than double the national average. Cocaine-related deaths disproportionately affected Black Americans, while methamphetamine-related deaths heavily impacted American Indian and Alaska Native communities. Researchers caution against interpreting the decline as a resolution to the crisis. Joseph Friedman, study lead, noted shifting substances and persistent disparities, while Steffanie Strathdee emphasized stimulants’ long-term cardiovascular, neurological, and psychiatric harms. The findings underscore the need for targeted interventions as the overdose landscape evolves.
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