Key Takeaways
- Average age of first ketamine use is 22.4 years among US recreational users per NSDUH 2022
- Males comprise 62% of past-year ketamine users in US aged 12+ per NSDUH 2021
- Urban residents 2.5x more likely to use ketamine than rural per Australian NDSHS 2022
- Ketamine-induced cystitis cases reported in 12% of heavy users in UK study of 500 participants (average use 3g/week)
- Among 1,000 emergency room visits for ketamine in US 2019-2021, 28% had acute psychosis symptoms per DAWN
- Long-term ketamine use (>5 years) associated with 45% prevalence of cognitive impairment in memory tasks per Hong Kong study n=100
- Ketamine classified as Schedule III in US since 1999, with 1,200 diversion incidents reported 2022
- UK ketamine prosecutions: 1,456 in 2022 under Class B Misuse of Drugs Act, up 20% YoY
- Global ketamine production estimated 100 tons pharmaceutical + 20 tons illicit 2023 per UNODC
- Esketamine nasal spray for TRD: 70% response rate at 4 weeks in TRANSFORM-2 trial n=402
- Ketamine infusions for depression: 65% remission in 6 infusions per Yale study n=200 2022
- FDA-approved esketamine: 51% response vs 31% placebo in SUSTAIN-1 trial n=297
- In the United States, past-year ketamine use among adults aged 18-25 increased from 0.9% in 2015 to 1.8% in 2021 according to NSDUH data
- Globally, the Global Drug Survey 2023 reported that 1.2% of respondents (n=98,000+) had used ketamine in the past year, with higher rates in the UK at 4.1%
- Among US college students, 4.6% reported lifetime ketamine use in the 2020-2021 academic year per the Monitoring the Future survey
Ketamine use is concentrated among young adults, with higher rates in college educated, LGBTQ+, and higher income groups.
Related reading
01 · Category
Demographic Statistics21 stats
Demographic Statistics Interpretation
02 · Category
Health and Safety Statistics25 stats
Health and Safety Statistics Interpretation
03 · Category
Legal and Regulatory Statistics26 stats
Legal and Regulatory Statistics Interpretation
04 · Category
Medical and Therapeutic Statistics20 stats
Medical and Therapeutic Statistics Interpretation
05 · Category
Prevalence and Usage Statistics30 stats
Prevalence and Usage Statistics Interpretation
Cite This Report
This report is designed to be cited. We maintain stable URLs and versioned verification dates. Copy the format appropriate for your publication below.
Marcus Afolabi. (2026, February 13). Ketamine Usage Statistics. Gitnux. https://gitnux.org/ketamine-usage-statistics
Marcus Afolabi. "Ketamine Usage Statistics." Gitnux, 13 Feb 2026, https://gitnux.org/ketamine-usage-statistics.
Marcus Afolabi. 2026. "Ketamine Usage Statistics." Gitnux. https://gitnux.org/ketamine-usage-statistics.
Sources & references
52 datasets cited across this report · attribution is report-level

