Information on Quantity of Controlled Drugs Seized
Central Narcotics Bureau (CNB) publishes annual quantities of controlled drugs seized in Singapore by drug type from 2003 through 2021. The CSV dataset includes notes on scheduling changes for buprenorphine, mephedrone, TFMPP, and new psychoactive substances, with 2021 figures confirmed. Drug policy researchers can align seizure tonnage with CNB’s broader situation reports linked at cnb.gov.sg. This collection supports open-data analysis of enforcement outcomes across evolving Singapore controlled-drug schedules.
Official description
The table gives a breakdown on the quantity of controlled drugs seized by the various drug types.
Notes:
The 2021 statistics are confirmed.
Buprenorphine was listed as a controlled drug under the Misuse of Drugs Act in Aug 2006, while Mephedrone and TFMPP were listed as controlled drugs in Nov 2010.
For 2006's buprenorphine seizures, the quantity reflected refers to the seizures made after the drug became a controlled drug on 14 Aug 2006.
For NPS seizures, the quantity reflected includes the NPS listed in 1st Schedule of the Misuse of Drugs Act since 1 May 2014, as well as BZP, Mephedrone and TFMPP.
For more details on the Drug and Inhalant Situation, please refer to https://www.cnb.gov.sg/
Central Narcotics Bureau statistics on quantities of controlled drugs seized in Singapore by year, drug type, and unit of measure from 2003 to 2024. Law enforcement and public health researchers track supply interdiction trends for heroin, methamphetamine, cannabis, and other listed substances. Supports drug situation reporting alongside arrest statistics.