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Mapped: The Most Common Illicit Drugs in the World

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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 either cocaine salts for powder form or crack for cocaine processed with baking soda and water into rock form.
  • Opioids: Includes opiates which are derived directly from the opium poppy plant, including morphine, codeine, and heroin, as well as synthetic alkaloids.
  • Amphetamine-type Stimulants (ATS): Amphetamine and drugs derived from amphetamine, including meth (also known as speed), MDMA, and ecstasy.
  • Sedatives and Tranquilizers: Includes other drugs whose main purpose is to reduce energy, excitement, or anxiety, as well as drugs used primarily to initiate or help with sleep (also called hypnotics).
  • Solvents and Inhalants: Gases or chemicals that can cause intoxication but are not intended to be drugs, including fuels, glues, and other industrial substances.

The report also tracked the prevalence of hallucinogens—psychoactive drugs which strongly affect the mind and cause a “trip”—but no hallucinogens ranked as the most prevalent drug in any one country.

*Editor’s note: Recreational cannabis is legal in five countries, and some non-federal jurisdictions (i.e. states). However, in the context of this report, it was included because it is still widely illicit in most countries globally.

The Most Prevalent Drug in Each Country

According to the report, 275 million people used drugs worldwide in 2020. Between the ages of 15–64, around 5.5% of the global population used drugs at least once.

Many countries grouped different types of the same drug class together, and a few like Saudi Arabia and North Macedonia had multiple different drug types listed as the most prevalent.

But across the board, cannabis was the most commonly prevalent drug used in 107 listed countries and territories:

Country or territoryMost Prevalent Drug(s)
AfghanistanHeroin, opium
AlbaniaSedatives and tranquillizers (general)
AlgeriaCannabis (general)
ArgentinaCannabis (herb)
AustraliaCannabis (general)
AzerbaijanHeroin
BahamasCannabis (herb)
BahrainCannabis (general)
BangladeshAmphetamine
BelarusOpium
BelgiumCannabis (herb)
BoliviaCannabis (herb)
BruneiCannabis (herb)
BulgariaCannabis (herb)
Burkina FasoCannabis (general)
CanadaCannabis (herb)
Central African RepublicCannabis (herb)
ChileCannabis (herb)
ChinaMethamphetamine
Costa RicaCannabis (herb)
Côte d'IvoireCannabis (herb)
CroatiaHeroin
CyprusCannabis (general)
Czech RepublicBenzodiazepines
Dominican RepublicCocaine (powder)
EcuadorCannabis (herb)
El SalvadorCannabis (herb)
EstoniaCannabis (herb)
FinlandCannabis (herb)
FranceCannabis (hashish)
GeorgiaCannabis (herb)
GermanyCannabis (herb)
GibraltarCannabis (hashish)
GreeceSolvents and inhalants (general)
GuatemalaCannabis (herb)
HondurasCannabis (herb)
Hong KongHeroin, opium, opioids
HungaryCannabis (herb)
IcelandCannabis (general)
IndiaHeroin
IndonesiaCannabis (herb)
IranOpium
IrelandCannabis (herb)
IsraelCannabis (herb)
ItalyCannabis (general)
JapanMethamphetamine
JordanCannabis (hashish)
KenyaCannabis (herb)
LatviaCannabis (herb)
LebanonCannabis (hashish)
LiechtensteinCannabis (hashish)
LithuaniaSedatives and tranquillizers (general)
LuxembourgCannabis (general)
MacaoMethamphetamine
MadagascarCannabis (herb)
MalaysiaMethamphetamine
MaltaHeroin
MexicoCannabis (herb)
MoldovaCannabis (herb)
MongoliaMethamphetamine
MozambiqueCannabis (herb)
MyanmarHeroin
NetherlandsBenzodiazepines
New ZealandMethamphetamine, solvent and inhalants
NicaraguaCannabis (herb)
NigeriaCannabis (herb)
North MacedoniaMultiple types
NorwayCannabis (general)
OmanOpium
PakistanCannabis (hashish)
PanamaCannabis (herb)
PeruCannabis (herb)
PhilippinesCannabis (herb)
PolandCannabis (herb)
PortugalCannabis (general)
QatarCannabis (hashish)
RomaniaCannabis (general)
Saudi ArabiaMultiple types
SenegalCannabis (herb)
SerbiaBenzodiazepines
SingaporeMethamphetamine
SloveniaCannabis (general)
South AfricaCannabis (general)
South KoreaMethamphetamine
SpainCannabis (herb)
Sri LankaCannabis (herb)
SudanCannabis (herb)
SurinameCannabis (herb)
SwedenCannabis (general)
SwitzerlandCannabis (herb)
Syrian Arab RepublicCannabis (hashish)
TajikistanHeroin, opium
TanzaniaCannabis (herb)
ThailandMethamphetamine
TogoCannabis (herb)
Trinidad and TobagoCocaine (crack)
TunisiaCannabis (general)
TurkeyCannabis (herb)
TurkmenistanOpium
U.S.Cannabis (herb)
UKCannabis (herb)
UkraineOpioids
UruguayCannabis (herb)
UzbekistanCannabis (herb)
VenezuelaBenzodiazepines
VietnamHeroin
ZambiaCannabis (herb)

How prevalent is cannabis worldwide? 72 locations or more than two-thirds of those reporting listed cannabis as the most prevalent drug.

Unsurprisingly these include countries that have legalized recreational cannabis: Canada, Georgia, Mexico, South Africa, and Uruguay.

How Common Are Opioids and Other Drugs?

Though the global prevalence of cannabis is unsurprising, especially as it becomes legalized and accepted in more countries, other drugs also have strong footholds.

Opioids (14 locations) were the most prevalent drugs in the Middle-East, South and Central Asia, including in India and Iran. Notably, Afghanistan is the world’s largest producer of opium, supplying more than 90% of illicit heroin globally.

Amphetamine-type drugs (9 locations) were the third-most common drugs overall, mainly in East Asia. Methamphetamine was the reported most prevalent drug in China, South Korea, and Japan, while amphetamine was only the most common drug in Bangladesh.

However, it’s important to note that illicit drug usage is tough to track. Asian countries where cannabis is less frequently found (or reported) might understate its usage. At the same time, the opioid epidemic in the U.S. and Canada reflects high opioid usage in the West.

As some drugs become more widespread and others face a renewed “war,” the landscape is certain to shift over the next few years.

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Politics

Mapped: The World’s Legal Government Systems

The political regimes of the world’s countries have changed over centuries. This map charts the nine government systems that rule the world today.

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Mapping The World’s Legal Government Systems

With over 200 countries existing across the world with unique cultures and traditions, one might assume that there are hundreds of types of government systems. But both historically and in modern times, that’s not the case.

Even while political regimes across these countries have changed over time, they’ve largely followed a few different types of governance. Today, every country can ultimately be classified into just nine broad forms of government systems.

This map by Truman Du uses information from Wikipedia to map the government systems that rule the world today.

Countries By Type of Government

It’s important to note that this map charts government systems according to each country’s legal framework.

Many countries have constitutions stating their de jure or legally recognized system of government, but their de facto or realized form of governance may be quite different.

Here is a list of the stated government system of UN member states and observers as of January 2023:

CountryConstitutional formHead of state
AfghanistanProvisionaln/a
AlbaniaRepublicCeremonial
AlgeriaRepublicExecutive
AndorraConstitutional monarchyCeremonial
AngolaRepublicExecutive
Antigua and BarbudaConstitutional monarchyCeremonial
ArgentinaRepublicExecutive
ArmeniaRepublicCeremonial
AustraliaConstitutional monarchyCeremonial
AustriaRepublicCeremonial
AzerbaijanRepublicExecutive
Bahamas, TheConstitutional monarchyCeremonial
BahrainConstitutional monarchyExecutive
BangladeshRepublicCeremonial
BarbadosRepublicCeremonial
BelarusRepublicExecutive
BelgiumConstitutional monarchyCeremonial
BelizeConstitutional monarchyCeremonial
BeninRepublicExecutive
BhutanConstitutional monarchyExecutive
BoliviaRepublicExecutive
Bosnia and HerzegovinaRepublicCeremonial
BotswanaRepublicExecutive
BrazilRepublicExecutive
BruneiAbsolute monarchyExecutive
BulgariaRepublicCeremonial
Burkina FasoProvisionaln/a
BurundiRepublicExecutive
CambodiaConstitutional monarchyCeremonial
CameroonRepublicExecutive
CanadaConstitutional monarchyCeremonial
Cape VerdeRepublicExecutive
Central African RepublicRepublicExecutive
ChadProvisionaln/a
ChileRepublicExecutive
China, People's Republic ofRepublicCeremonial
ColombiaRepublicExecutive
ComorosRepublicExecutive
Congo, Democratic Republic of theRepublicExecutive
Congo, Republic of theRepublicExecutive
Costa RicaRepublicExecutive
Côte d'IvoireRepublicExecutive
CroatiaRepublicCeremonial
CubaRepublicExecutive
CyprusRepublicExecutive
Czech RepublicRepublicCeremonial
DenmarkConstitutional monarchyCeremonial
DjiboutiRepublicExecutive
DominicaRepublicCeremonial
Dominican RepublicRepublicExecutive
East TimorRepublicExecutive
EcuadorRepublicExecutive
EgyptRepublicExecutive
El SalvadorRepublicExecutive
Equatorial GuineaRepublicExecutive
EritreaRepublicExecutive
EstoniaRepublicCeremonial
EswatiniAbsolute monarchyExecutive
EthiopiaRepublicCeremonial
FijiRepublicCeremonial
FinlandRepublicCeremonial
FranceRepublicExecutive
GabonRepublicExecutive
Gambia, TheRepublicExecutive
GeorgiaRepublicCeremonial
GermanyRepublicCeremonial
GhanaRepublicExecutive
GreeceRepublicCeremonial
GrenadaConstitutional monarchyCeremonial
GuatemalaRepublicExecutive
GuineaProvisionaln/a
Guinea-BissauRepublicExecutive
GuyanaRepublicExecutive
HaitiRepublicExecutive
HondurasRepublicExecutive
HungaryRepublicCeremonial
IcelandRepublicCeremonial
IndiaRepublicCeremonial
IndonesiaRepublicExecutive
IranRepublicExecutive
IraqRepublicCeremonial
IrelandRepublicCeremonial
IsraelRepublicCeremonial
ItalyRepublicCeremonial
JamaicaConstitutional monarchyCeremonial
JapanConstitutional monarchyCeremonial
JordanConstitutional monarchyExecutive
KazakhstanRepublicExecutive
KenyaRepublicExecutive
KiribatiRepublicExecutive
KuwaitConstitutional monarchyExecutive
KyrgyzstanRepublicExecutive
LaosRepublicExecutive
LatviaRepublicCeremonial
LebanonRepublicCeremonial
LesothoConstitutional monarchyCeremonial
LiberiaRepublicExecutive
LibyaProvisionaln/a
LiechtensteinConstitutional monarchyExecutive
LithuaniaRepublicExecutive
LuxembourgConstitutional monarchyCeremonial
MadagascarRepublicExecutive
MalawiRepublicExecutive
MalaysiaConstitutional monarchyCeremonial
MaldivesRepublicExecutive
MaliProvisionaln/a
MaltaRepublicCeremonial
Marshall IslandsRepublicExecutive
MauritaniaRepublicExecutive
MauritiusRepublicCeremonial
MexicoRepublicExecutive
MicronesiaRepublicExecutive
MoldovaRepublicCeremonial
MonacoConstitutional monarchyExecutive
MongoliaRepublicExecutive
MontenegroRepublicCeremonial
MoroccoConstitutional monarchyExecutive
MozambiqueRepublicExecutive
MyanmarProvisionaln/a
NamibiaRepublicExecutive
NauruRepublicExecutive
NepalRepublicCeremonial
NetherlandsConstitutional monarchyCeremonial
New ZealandConstitutional monarchyCeremonial
NicaraguaRepublicExecutive
NigerRepublicExecutive
NigeriaRepublicExecutive
North KoreaRepublicExecutive
North MacedoniaRepublicCeremonial
NorwayConstitutional monarchyCeremonial
OmanAbsolute monarchyExecutive
PakistanRepublicCeremonial
PalauRepublicExecutive
PalestineRepublicExecutive
PanamaRepublicExecutive
Papua New GuineaConstitutional monarchyCeremonial
ParaguayRepublicExecutive
PeruRepublicExecutive
PhilippinesRepublicExecutive
PolandRepublicCeremonial
PortugalRepublicExecutive
QatarConstitutional monarchyExecutive
RomaniaRepublicExecutive
RussiaRepublicExecutive
RwandaRepublicExecutive
Saint Kitts and NevisConstitutional monarchyCeremonial
Saint LuciaConstitutional monarchyCeremonial
Saint Vincent and the GrenadinesConstitutional monarchyCeremonial
SamoaRepublicCeremonial
San MarinoRepublicExecutive
São Tomé and PríncipeRepublicExecutive
Saudi ArabiaAbsolute monarchyExecutive
SenegalRepublicExecutive
SerbiaRepublicCeremonial
SeychellesRepublicExecutive
Sierra LeoneRepublicExecutive
SingaporeRepublicCeremonial
SlovakiaRepublicCeremonial
SloveniaRepublicCeremonial
Solomon IslandsConstitutional monarchyCeremonial
SomaliaRepublicCeremonial
South AfricaRepublicExecutive
South KoreaRepublicExecutive
South SudanRepublicExecutive
SpainConstitutional monarchyCeremonial
Sri LankaRepublicExecutive
SudanProvisionaln/a
SurinameRepublicExecutive
SwedenConstitutional monarchyCeremonial
SwitzerlandRepublicExecutive
SyriaRepublicExecutive
TajikistanRepublicExecutive
TanzaniaRepublicExecutive
ThailandConstitutional monarchyCeremonial
TogoRepublicExecutive
TongaConstitutional monarchyExecutive
Trinidad and TobagoRepublicCeremonial
TunisiaRepublicExecutive
TurkeyRepublicExecutive
TurkmenistanRepublicExecutive
TuvaluConstitutional monarchyCeremonial
UgandaRepublicExecutive
UkraineRepublicExecutive
United Arab EmiratesConstitutional monarchyExecutive
United KingdomConstitutional monarchyCeremonial
United StatesRepublicExecutive
UruguayRepublicExecutive
UzbekistanRepublicExecutive
VanuatuRepublicCeremonial
Vatican CityAbsolute monarchyExecutive
VenezuelaRepublicExecutive
VietnamRepublicExecutive
YemenProvisionaln/a
ZambiaRepublicExecutive
ZimbabweRepublicExecutive

Let’s take a closer look at some of these systems.

Monarchies

Brought back into the spotlight after the death of Queen Elizabeth II of England in September 2022, this form of government has a single ruler. They carry titles from king and queen to sultan or emperor, and their government systems can be further divided into three modern types: constitutional, semi-constitutional, and absolute.

A constitutional monarchy sees the monarch act as head of state within the parameters of a constitution, giving them little to no real power. For example, King Charles III is the head of 15 Commonwealth nations including Canada and Australia. However, each has their own head of government.

On the other hand, a semi-constitutional monarchy lets the monarch or ruling royal family retain substantial political powers, as is the case in Jordan and Morocco. However, their monarchs still rule the country according to a democratic constitution and in concert with other institutions.

Finally, an absolute monarchy is most like the monarchies of old, where the ruler has full power over governance, with modern examples including Saudi Arabia and Vatican City.

Republics

Unlike monarchies, the people hold the power in a republic government system, directly electing representatives to form government. Again, there are multiple types of modern republic governments: presidential, semi-presidential, and parliamentary.

The presidential republic could be considered a direct progression from monarchies. This system has a strong and independent chief executive with extensive powers when it comes to domestic affairs and foreign policy. An example of this is the United States, where the President is both the head of state and the head of government.

In a semi-presidential republic, the president is the head of state and has some executive powers that are independent of the legislature. However, the prime minister (or chancellor or equivalent title) is the head of government, responsible to the legislature along with the cabinet. Russia is a classic example of this type of government.

The last type of republic system is parliamentary. In this system, the president is a figurehead, while the head of government holds real power and is validated by and accountable to the parliament. This type of system can be seen in Germany, Italy, and India and is akin to constitutional monarchies.

It’s also important to point out that some parliamentary republic systems operate slightly differently. For example in South Africa, the president is both the head of state and government, but is elected directly by the legislature. This leaves them (and their ministries) potentially subject to parliamentary confidence.

One-Party State

Many of the systems above involve multiple political parties vying to rule and govern their respective countries.

In a one-party state, also called a single-party state or single-party system, only one political party has the right to form government. All other political parties are either outlawed or only allowed limited participation in elections.

In this system, a country’s head of state and head of government can be executive or ceremonial but political power is constitutionally linked to a single political movement. China is the most well-known example of this government system, with the General Secretary of the Communist Party of China ruling as the de facto leader since 1989.

Provisional

The final form of government is a provisional government formed as an interim or transitional government.

In this system, an emergency governmental body is created to manage political transitions after the collapse of a government, or when a new state is formed. Often these evolve into fully constitutionalized systems, but sometimes they hold power for longer than expected.

Some examples of countries that are considered provisional include Libya, Burkina Faso, and Chad.

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