86 per cent of cannabis users in Devon and Cornwall let off by police
The area has one of the lowest prosecution rates for possession of cannabis
Just 14 per cent of cases of cannabis possession in Devon and Cornwall lead to prosecution - below the UK average of 22 per cent.
The region comes just above Surrey (12 per cent) and Leicestershire (13 per cent) for letting people off if they are caught with the illegal drug.
The national average has dropped from 27 per cent in 2017, according to MailOnline .
Most people in Devon and Cornwall are given a caution, a fine, a warning, a community resolution or see all charges dropped.
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Avon and Somerset Police use half-day education workshops for first-time offenders.
David Green, director of the think-tank Civitas, told MailOnline: "These figures provide even stronger evidence that the police have unofficially legalised cannabis in many parts of the country. Many police leaders want to legalise cannabis. Some are openly in favour of changing the law, while others turn a blind eye."
Mary Brett, of charity Cannabis Skunk Sense, told MailOnline: "There's a law there and it's the police's job to enforce it."
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A Home Office spokesman told MailOnline: "Possession of cannabis is a criminal offence and cultivation an even more serious offence. How police choose to pursue investigations is an operational decision for chief constables, but we are clear that we expect them to enforce the law."