Black (approx. 883,700-903,000)[]
- Bloods (20,000-30,000)
- Crips (30,000-35,000)
- Almighty Vice Lord Nation (Approx. 30,000 - 35,000)
- Four Corner Hustlers (900)
- United Blood Nation (50,000)
- Black P. Stones (30,000-42,000)
- Zoe Pound (Estimated 200,000 in Miami,FL , Unknown worldwide)
- Black Guerrilla Family (50,000)
- Gangster Disciples/Black Gangster Disciple Nation (40,000-55,000+ 20000 + in Chicago)
- Black Mafia Family (Over 150 members indicted thus far, estimated total membership at peak over 500)
- Black Disciples (26,000+)
- OutLaw Gangster Disciples (25,000 + in Chicago)
- Ghetto Boys (+200)
- Jamaican Posse/Jamaican Mafia (200,000)
- Area Boys (35,000) Nigeria, Africa
- The Mungiki (100,000) Kenya, Africa
Hispanics[]
- Latin Kings (King Motherland Chicago faction - 20,000 to 35,000
Bloodline faction - 2,200 to 7,500. maybe 40,000 worldwide) people nation
- Ñetas/Ñeta Association/Association Ñeta (75,000-100,000)
- Trinitario (30,000 Worldwide)
- Dominicans Don't Play (700 in New York City, 130 in Spain)
- MS-13/Mara Salvatrucha (70,000-100,000)
- 18th Street Gang (65,000)
- Playboys Gang (Unknown but thought to be around 5-6,000 on the West Coast)
- Fresno Bulldogs (6,000 but the Fresno Police Department estimate that number is as high as 12,000 in the city)
- Maniac Latin Disciples (1500-2000) folk nation
- Clanton 14 (unknown)
- Mexikanemi (2,000)
- Puro Tango Blast (14,000)
- White Fence (700)
- The Avenues (800-1000)
- El Monte Flores 13 (400)
Bikers[]
- Hells Angels MC (2,500..5,000 maybe 25,000 worldwide)
- Rock Machine (200 members approx. worldwide)
- Pagan's Motorcycle Club (unknown)
- Bandidos Motorcycle Club (2,000-2,500)
- Outlaws Motorcycle Club (1,700)
- Mongols MC (1,000–1,500) Majority Hispanic
- Rebels MC (2,000)
- Sons of Silence (250-275 full-patch members)
- Vagos Motorcycle Club (600 full-patch members)
- Comanchero Motorcycle Club (100)
- Brother Speed MC (150)
- The Breed Motorcycle Club (40-50)
White[]
- Simon City Royals (unknown) folk nation European-American
- Skinheads
- Hammerskins
- Red and Anarchist Skinheads
- Sharpies
- Ku Klux Klan (5,000–6,000)
- Peckerwood (unknown)
- Public Enemy No. 1 (unknown)
- Sydney Ducks
- Aryan Brotherhood (approximately 20,000)
- Armenian Power (200+)
- Nazi Low Riders (5,000-7,000)
Italian mafias/Italian-American crime families[]
- Chicago Outfit (50–200 made members and roughly 1,700 associates)
- Philadelphia crime family/Scarfo crime family/Bruno crime family/Philadelphia Mafia/Philly Mob (50 made members approx, 100 associates approx)
- Patriarca crime family/New England crime family/Providence crime family (around 50 made members, more than 200 associates)
- DeCavalcante crime family (40 made members, approximately 200 associates)
- Trafficante crime family (unknown) Tampa, Florida, USA
- Pittsburgh crime family/LaRocca crime family (Less than 10)
- Cleveland crime family/Licavoli crime family (15-20 members 50-100 associates)
- Genovese crime family (250-300 made members, well over 1,000 criminal associates) NYC
- Gambino crime family (150–200 made members approx 1,500–2,000 associates approx) NYC
- Lucchese crime family (115-140 made members, 1,100+ associates.) NYC
- Bonanno crime family (115-130 made members, 500-1500 associates) NYC
- Colombo crime family (40-50 (active) made members (2011 estimate), unknown number of associates) NYC
- Detroit Partnership/Detroit crime family/Detroit Combination/Detroit Mafia/Detroit Outfit/Zerilli crime family (40-50 made members, over 300 associates)
- Kansas City crime family/Civella crime family (10-15 made members, about 40-60 associates)
- Los Angeles crime family (14 made members)
- Buffalo crime family/Magaddino crime family/The Arm (30-35 made members, more than 250-400 associates)
- Rizzuto crime family (unknown) Montreal
- Cotroni crime family (unknown) Montreal
- Musitano Crime Family (unknown) Hamilton, Ontario
- Morello crime family (unknown) nyc
- Broadway Mob (unknown) nyc
Irish Mobs[]
- West End Gang (unknown) Montreal
- Winter Hill Gang (40-50)
- Charlestown Mob (40-50)
- Clerkenwell crime syndicate/Adams Family/A-team (unknown) Islington, London
- K&A Gang (less then 15) Kensington, Philadelphia
- White Hand Gang
- Gustin Gang (unknown)
European (Danish/Dutch/Swedish...and more)[]
- AK81 (300) Danish
- Black Cobra (100+)
Asian/Asian American[]
- Asian Boyz (1,300 to 2,000) street gang
- Snakeheads (Unknown) chinese
- Yakuza/Japanese Mafia (102,400 members) japanese
- Yamaguchi-gumi (55,000)
- Sumiyoshi-kai (20,000)
- Inagawa-kai (15,000)
- Kudo-kai (630)
- Kyokuryū-kai (210-270)
- Okinawa-Kyokuryū-kai (523 active members and 145 semi-active members)
- Aizukotetsu-kai (7,000)
- Kyosei-kai (280 active members and 470 semi-active members)
- Goda-ikka (440)
- Kozakura-ikka (100)
- Asano-gumi (130)
- Triads (1.5 million in mainland China alone and 2.5 million members worldwide)
- 14K Triad (20,000)
- Four Seas (5,000)
Arabic[]
- TAP Boyz (The Arabian Posse) (unknown)