Gangs have been a part of society for centuries, and their impact on the world is undeniable.
From organized crime syndicates to street gangs, these groups have been responsible for some of the most notorious criminal activities in history.
From the Yakuza in Japan to the Bloods and Crips in the United States, these gangs have left their mark on society and continue to shape the world we live in today.
They are responsible for a wide range of criminal activities, including drug trafficking, extortion, and violence.
Here are the top 10 biggest gangs in the world:
10. Hells Angels
Hells Angels is one of the largest and most well-known motorcycle clubs in the world, with thousands of members spread across multiple countries.
Founded in the United States, the club has built a global reputation for its strong biker culture, influence, and controversial history.
The Hells Angels operate through numerous regional chapters worldwide and are often associated with outlaw motorcycle culture.
Their members strongly value loyalty, brotherhood, freedom, and the biker lifestyle.
Over the years, the organization has frequently attracted attention from law enforcement agencies because of alleged involvement in violent incidents, organized crime activities, and clashes with rival biker gangs. However, the club itself presents its activities as part of a rebellious lifestyle and motorcycle brotherhood culture rather than a traditional profit-driven criminal organization.
9. Aryan Brotherhood
Most people think that the Aryan Brotherhood is one of the most powerful criminal groups in the world.
In 1966, there were about 20,000 people in this white supremacist gang, known for being violent and mean to people of other races or ethnicities.
People think it is one of the world’s most dangerous and well-known gangs because it promotes violence and the idea that white people are better than everyone else.
Many of its members rank among the most evil people in history for their role in prison killings, drug trafficking, and racial violence.
Since the 1970s, the group has been involved in many illegal things, such as drug trafficking, theft, murder, and others. Some of the worst crimes linked to the AB are murder, robbery, and extortion.
8. Cosa Nostra
The Cosa Nostra, sometimes called the “Mob” or the “Mafia,” is one of the most dangerous organized crime groups in the United States. It may have come from the Sicilian Mafia.
The government of the United States calls a mafia group “Cosa Nostra.” This group of criminals from all over the country works together to do illegal things and protect each other.
It comprises different “families,” which are all criminal groups. Most of the time, these criminal families and groups are organized by where they live and engage in major, well-organized racketeering.
They know each other because they are related by blood or because of a plot. They also take part in many illegal activities across a wide range of areas.
7. Los Zetas
Los Zetas is, without a doubt, the most dangerous gang in the world. The acts of violence that this evil Mexican group commits give them pleasure.
Los Zetas are known for torturing and beheading people as part of their daily work, and they don’t feel bad when they kill innocent people who get in their way.
Their methods of terror rival those of the worst dictators in history, using fear as a primary tool for control.
They are the most dangerous enemies of the Cosa Nostra, with whom they compete fiercely for the lucrative drug market in the U.S. Los Zetas is a criminal group that has only been around for about 25 years.
Still, they have a scary amount of power because they were started by people who used to be in the Mexican Army.
Everyone knows that they have a lot of politicians, local police, and even some American authorities in their financial pockets.
6. Primeiro Comando da capital
The names of the most well-known gangs from around the world include Primeiro Comando da Capital, a well-known street gang known for being violent and involved in illegal activities.
They are one of the world’s most well-known and dangerous gangs, and more than 10,000 people belong to them. If you want adventure, danger, and mystery, you should go to Primeiro Comando da Capital.
The PCP is one of the world’s most dangerous and feared criminal groups. It is based in Brazil. This notorious gang is known for using cruel methods and not caring about people’s lives.
Members of the PCP do things that are against the law, like selling drugs and weapons, robbing people at gunpoint, and killing people.
If you want to stay healthy while walking the streets of Brazil, you should hope to never cross paths with the PCP.
5. Solntsevskaya Bratva
Solntsevskaya Bratva is widely regarded as one of the largest and most powerful organized crime syndicates to emerge from Russia after the collapse of the Soviet Union.
The group reportedly grew into a massive criminal network with operations extending across Europe and other parts of the world.
Founded in the late 1980s by Sergei Mikhailov, the organization expanded rapidly during the political and economic instability that followed the fall of the Soviet Union.
Reports and investigations have frequently alleged links between the group and influential political or business figures, though many such claims remain disputed or difficult to verify publicly.
The Solntsevskaya Bratva has been associated with numerous illegal activities, including drug trafficking, extortion, money laundering, contract killings, human trafficking, and financial crimes.
The organization has also reportedly invested in legitimate businesses, which authorities believe have sometimes been used to conceal or launder illicit funds.
Although its network is believed to operate globally, much of its reported criminal activity has historically been concentrated in Europe, including the United Kingdom.
4. Sinaloa Cartel
The Sinaloa Cartel is one of Mexico’s most powerful criminal organizations and a major transnational drug-trafficking network.
It has been linked to drug trafficking, extortion, kidnapping, migrant smuggling, fuel theft, and money laundering, and it remains deeply entrenched in parts of Mexico and the United States.
Its rise to power came through expansion after the breakup of older cartels and through violent territorial competition with rival groups, including the Tijuana and Juárez cartels.
In 2026, despite Sinaloa bosses in US prisons, the cartel remained highly active, with U.S. authorities announcing new indictments, sanctions, and reward offers against senior figures tied to its factions.
3. MS-13
MS-13 is a dangerous international gang that started in the Los Angeles area. Since then, it has grown to include the U.S., Mexico, and Central America.
The MS-13 gang is mostly made up of people from El Salvador and other Central American countries.
During El Salvador’s civil war in the 1980s, a group of young refugees formed street gangs that fought against government forces.
This was how the gang got started. When they first set up the Mara Salvatrucha Stoners chapter in Los Angeles, the founders of MS-13, who had been deported from El Salvador after serving time in prison for drug trafficking there, gave it the name MS-13.
These people had been in prison there for drug trafficking crimes.
2. 14K
The 14K is a triad group based in Hong Kong but does business worldwide. It is the second-largest triad organization in the world. It has about 20,000 members and thirty different subgroups.
They are the main enemy of the Sun Yee On Triad, which is the most powerful triad. The 14K is responsible for a lot of drug trafficking worldwide.
Most of the drugs they sell come from China or Southeast Asia, mostly heroin and opium. This is their main source of income, but they are also involved in illegal gambling, money laundering, arms trafficking, contract murder, prostitution, extortion, human trafficking, counterfeiting, and, to a lesser extent, home invasion robberies.
Their main source of income comes from selling illegal gambling products. They also sell fake goods and do other illegal things to make money.
1. Yakuza
This is the most powerful mafia group in Japan. It controls a wide range of other criminal groups all over the country.
This group was formed soon after the end of World War II and now has more than 102,000 members. It specializes in construction, fraud, real estate, blackmail, and extortion, among other things.
In addition to doing things against the law, they greatly influence the Japanese media, businesses, and government. Also, they make a good amount of money.
This mafia group takes loyalty very seriously and has a very strict set of rules for how to act. Gangsters in the Yakuza are known for their strange tattoos and for cutting off their little fingers.
If a member has broken the code of loyalty in any way, they may have to “pay their debt” by having a finger cut off in public as a form of shame.
The biggest gangs in the world have built massive criminal networks through violence, organized crime, drug trafficking, extortion, arms dealing, and illegal businesses.
From notorious motorcycle clubs and street gangs to powerful international mafia organizations, these groups have influenced crime operations across multiple countries for decades.
Many of the world’s most dangerous gangs continue to attract global attention because of their size, wealth, influence, and connections to underground criminal activities.
Their impact on law enforcement, politics, and society has made them some of the most feared criminal organizations in history.