Drug diversion schemes cut reoffending rates more than prosecution, study says
A new study in England reveals that police-led drug diversion schemes significantly reduce reoffending rates compared to prosecution, making individuals a third less likely to reoffend.
Intelligence analysis by Gemini 2.5 Flash

Research conducted across 13 English police forces and over 62,000 criminal incidents demonstrates that diverting drug offenders to treatment and education is more effective than traditional prosecution, challenging existing law-and-order approaches to drug use.
Imagine if instead of sending someone who got caught with a small amount of sweets to a big scary timeout, we sent them to a special class to learn why too many sweets aren't good and how to choose healthier snacks. This study found that in England, when police help people with drug problems get treatment and education instead of going to court, they are much less likely to get into trouble again, just like the sweet-eater might learn to pick apples instead of candy.
Analysis
A comprehensive four-year study, funded by the Cabinet Office’s evaluation accelerator fund and led by Prof Alex Stevens from the University of Sheffield, has found that drug diversion schemes in England are considerably more effective at reducing reoffending than traditional prosecution methods. The research, which analyzed over 62,000 criminal incidents across 13 English police forces, revealed that individuals processed through these decriminalisation-style schemes were one-third less likely to reoffend than those who faced prosecution for drug possession.
Underutilisation and Disparities
Despite the clear benefits, researchers observed that diversion schemes are underutilised, even in forces where they are established. Commander Alison Heydari, NPCC lead for out-of-court resolutions, acknowledged the study's findings, emphasizing the commitment to offering appropriate alternatives to prosecution. However, officers often choose not to divert eligible offenders. Prof Stevens noted that police forces could reduce costs and pressure on courts by expanding diversion, but this requires clear leadership, proper training, and a cultural shift among frontline officers.
Social and Racial Inequality
The study also highlighted significant disparities in the application of diversion schemes. People in the most deprived neighborhoods were more heavily policed and less likely to be diverted. Furthermore, Black individuals were less likely to be diverted than white individuals for similar offenses. Prof Kojo Koram of Loughborough University underscored that Black and minority ethnic people face disproportionately higher punishment rates at every stage of the drug policing process despite similar usage rates, asserting that diversion schemes, while a first step, are a 'tame policy initiative' compared to full decriminalisation and legal regulation policies adopted elsewhere in Europe and North America.
Broader Policy Implications
Steve Rolles, a senior policy analyst at Transform Drug Policy Foundation, suggested that diversion allows the government to reap the benefits of decriminalisation without explicitly endorsing it. He pointed out that while diversion helps with reoffending, it does not address the harms associated with the illegal drug trade, presenting a stark choice between government control and organised crime.
Key points
- Drug diversion schemes are a third more effective in reducing reoffending than prosecution for drug possession.
- The research covered 13 English police forces and over 62,000 criminal incidents over four years.
- Diversion schemes are currently underutilised, with officers often choosing not to divert eligible offenders.
- Racial disparities exist, with Black individuals less likely to be diverted than white people for similar offenses.
- Experts suggest that clear leadership, proper training, and a cultural shift are needed for wider adoption.
- Some argue that diversion is a step towards decriminalisation but doesn't address the harms of the illegal drug trade.
If police forces fully adopt and expand drug diversion schemes, reoffending rates could significantly decrease, leading to fewer people in overcrowded prisons and reduced costs for the justice system. This shift could foster stronger, healthier communities by addressing drug use as a public health issue rather than solely a criminal one, potentially inspiring other nations to follow suit.
Despite strong evidence, the underutilization of diversion schemes and racial biases in their application could persist, widening existing inequalities within the criminal justice system. If cultural shifts and adequate training are not implemented, the potential benefits of these schemes may not be fully realized, leaving Britain behind other nations in progressive drug policy.


