It is obviously not Colombia, just because they make a lot of cocaine doesn't mean they take the most drugs, it is going to be the USA because most drugs that are made are exported there.
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congo
China
It is proven by statistics that Brazil is the biggest manufacturer of illegal drugs.
I am not sure which country USES the most, but I know that last year America had spent the most money on illegal drugs. I'm pretty sure Amereica uses the most drugs. ----------------------------------- i think it is Europe because they ship in allot of drugs to America i don't know if it is in Europe for a fact but i just know that there is allot of drugs there...
It is proven by statistics that Brazil is the biggest manufacturer of illegal drugs.
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Canada
Do you mean the country that has most drug abusers, or the country that is doing most to eradicate drugs? If the former, it's probably the USA.
Columbia
Because of drugs,beauty,football.
The United States, followed by Switzerland.