"Minor drug related crimes, like own use of illegal drugs, provides only a daily fine but means that the person ends up in the Police records."
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"In 2004, Sweden had 84 people per 100,000 in either prison or remand prison. This is less than the average for the OECD (132 people per 100,000) and much less than the number for the United States (725 per 100,000)."
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"In 2004, Sweden had 84 people per 100,000 in either prison or remand prison. This is less than the average for the OECD (132 people per 100,000) and much less than the number for the United States (725 per 100,000)."
--- Both taken from https://en.wikipedia.org/wiki/Drug_policy_of_Sweden - I'd say that whatever they're doing, it seems to be fairly effective.