6 most dangerous gangs in the world and their impact

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When we think of gangs, images of street crime and small-time operations may come to mind. But the reality of organised crime today is far more expansive and terrifying.

Powerful criminal syndicates operate with military precision, billions in revenue, and blood on their hands.

These organisations aren’t just involved in petty theft or gang rivalry. They control cities, influence governments, launder billions of dollars, and in some cases, offer “services” and “protection” that governments fail to provide.

Some are known for their brutality, others for their secrecy, but they all command serious power on a global scale.

Below, we explore six of the most dangerous gangs in the world today:

1. CJNG (Cartel Jalisco Nueva Generación)

Origin: Mexico
Estimated Reach: Nationwide in Mexico, expanding to the U.S., Asia, and Europe
Notable For: Extreme violence, military-style training, expansion speed

CJNG is one of the fastest-growing and most feared cartels in Mexico. Formed in 2009 after a split from the Sinaloa Cartel, the Cartel Jalisco Nueva Generación is notorious for its militarised operations and gruesome tactics. Members, sometimes as young as 12, undergo brutal training that includes kidnapping, torture, and even cannibalism.

Despite government crackdowns, CJNG remains highly resilient, expanding rapidly across continents. Their methods are brutal, but their organisational structure and tactical intelligence make them one of the most dangerous groups globally.

2. Wo Shing Wo (Triad Syndicate)

Origin: Hong Kong, China
Estimated Reach: Asia, North America (notably San Francisco)
Notable For: Cyber scams, gambling, and hybrid legality

Wo Shing Wo is one of Hong Kong’s oldest and most powerful triads. While involved in drug trafficking, smuggling, fraud, and money laundering, they also operate legitimate businesses like nightclubs, casinos, and bars. Their presence in North America, especially in San Francisco, continues to grow.

What makes this gang unique is its dual existence, providing both criminal and seemingly legal services, often stepping in where governments fall short. Their ability to stay under the radar while expanding globally speaks volumes about their influence.

3. Sinaloa Cartel

Origin: Mexico
Estimated Annual Revenue: $3 billion+
Notable For: Drug trafficking dominance, international networks

The Sinaloa Cartel, once led by the infamous Joaquín “El Chapo” Guzmán, is Mexico’s largest and most powerful drug trafficking organisation. With operations in more than 50 countries, the cartel focuses on transporting cocaine, meth, heroin, and marijuana across continents.

What sets the Sinaloa cartel apart is their strategic use of bribery over violence, although they are no strangers to deadly force. Their global supply chain rivals that of multinational corporations, making them a drug empire in every sense.

4. The Camorra Mafia

Origin: Naples, Italy
Estimated Revenue (2014): $4.9 billion
Notable For: Controlling Naples, debt domination, fortified drug zones

The Camorra Mafia is one of Italy’s oldest criminal syndicates, operating heavily in Naples. Unlike the Sicilian mafia, Camorra groups work more independently, controlling neighbourhoods and providing “protection” and employment in areas the state neglects.

Their drug operations are protected by heavily fortified apartment blocks, with lookouts and covert exchange systems that make law enforcement almost powerless. Through debt and economic control, they dominate the lives of thousands, merging fear with necessity.

5. ‘Ndrangheta

Origin: Calabria, Italy
Estimated Revenue (2014): $66.4 billion
Notable For: Drug trafficking, illegal waste disposal, economic infiltration

Often overshadowed by more famous Italian mafias, the ‘Ndrangheta is the wealthiest, generating an income larger than Italy’s biggest bank. With a presence in over 30 countries, their primary operations include cocaine trafficking and illegal toxic waste dumping.

Their success is rooted in secrecy, family-based recruitment and minimal internal betrayal, which keeps their network airtight and nearly untouchable.

6. Yamaguchi-gumi (Yakuza Syndicate)

Origin: Japan
Notable For: Legitimate business operations, blackmail networks, public image
Estimated Members: Over 10,000

The Yamaguchi-gumi, the largest faction of Japan’s Yakuza, operates like a corporation, with a public face. They’re involved in fraud, extortion, cybercrime, and even insider trading. Unlike many global gangs, they maintain a public presence, with offices and even participate in disaster relief efforts.

However, this visibility masks their grip on Japan’s underworld. They gain access to blackmail material and state secrets through hospitality networks, giving them leverage over politicians and CEOs alike.

Not all of these organisations rely solely on guns and bloodshed. In fact, many wield power by blending criminal activity with legitimate enterprise, community services, and economic control. What makes them powerful isn’t just money or violence, but strategic infiltration of systems, both legal and illegal.

The most successful gangs today resemble corporations more than street crews, with international reach, structured hierarchies, and billions in profit. They adapt, evolve, and often thrive in places where law and governance fall short.