[DantesKite]

It does in Singapore. Lowest rates of drug abuse in the world.

But they execute you if you have over 500 grams of marijuana so a bit extreme.

[ipnon]

Drug trafficking is a capitol crime in China, but China has an epidemic of methamphetamine and ketamine abuse, to give you one counterexample. My claim is that law enforcement is highly effective in all areas at the scale of a city.

[DantesKite]

That's a good point. Scale changes law enforcement capabilities.

[kayodelycaon]

Difficult to have a measurable rate of drug abuse if you kill all of the people thinking of doing it.