Mapped: The Most Common Illicit Drugs in the World


This post is by Omri Wallach from Visual Capitalist


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The Most Common Drugs in the World - Cannabis

Mapped: The Most Common Illicit Drugs in the World

Despite strict prohibitory laws around much of the world, many common illicit drugs still see widespread use.

Humans have a storied and complicated relationship with drugs. Defined as chemical substances that cause a change in our physiology or psychology, many drugs are taken medicinally or accepted culturally, like caffeine, nicotine, and alcohol.

But many drugs—including medicines and non-medicinal substances taken as drugs—are taken recreationally and can be abused. Each country and people have their own relationship to drugs, with some embracing the use of specific substances while others shun them outright.

What are the most common drugs that are considered generally illicit in different parts of the world? Today’s graphics use data from the UN’s World Drug Report 2021 to highlight the most prevalent drug used in each country.

What Types of Common Drugs Are Tracked?

The World Drug Report looks explicitly at the supply and demand of the international illegal drug market, not including commonly legal substances like caffeine and alcohol.

Drugs are grouped by class and type, with six main types of drugs found as the most prevalent drugs worldwide.

  • Cannabis*: Drugs derived from cannabis, including hemp. This category includes marijuana (dried flowers), hashish (resin), and other for various other parts of the plant or derived oils.
  • Cocaine: Drugs derived from the leaves of coca plants. Labeled as (Read more...)