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J Adolesc Health. 2015 Apr;56(4):414-9. doi: 10.1016/j.jadohealth.2014.11.018. Epub 2015 Feb 11.

Gang membership between ages 5 and 17 years in the United States.

Author information

1
Department of Criminal Justice and Criminology, Sam Houston State University, Huntsville, Texas. Electronic address: David.Pyrooz@shsu.edu.
2
School of Criminology and Criminal Justice, Arizona State University, Phoenix, Arizona.

Abstract

PURPOSE:

This study determined the frequency, prevalence, and turnover in gang membership between ages 5 and 17 years in the United States.

METHODS:

Data were from the National Longitudinal Survey of Youth 1997, which is representative of youth born between 1980 and 1984. Age-specific patterns of gang joining, participation, and leaving are estimated based on youths (N = 7,335) self-reported gang membership at the baseline and eight subsequent interviews, which were combined with population age estimates from the 2010 U.S. Census to produce national estimates of gang membership. Sampling variance-adjusted bounds were estimated based on assumptions about missing cases and survey design effects. Demographic and socioeconomic variables are used to compare differences between gang and nongang youth.

RESULTS:

Youth gang members were disproportionately male, black, Hispanic, from single-parent households, and families living below the poverty level. We estimated that there were 1,059,000 youth gang members in the United States in 2010 (bounds ranging from 675,000 to 1,535,000). The prevalence of youth gang membership was 2.0% (1.2%-2.8%), peaking at age 14 years at 5.0% (3.9%-6.0%). Annually, 401,000 (204,000-639,000) juveniles join gangs and 378,000 (199,000-599,000) exit gangs, with a turnover rate of 36%.

CONCLUSIONS:

We discovered that significantly more people are involved with gangs than previous estimates would suggest. Clinicians and policy makers must recognize that youth gang members may not conform to popular perceptions of gang demographics. The patterns of youth gang membership observed in this study support prevention programs aimed at children before the teen years. This strategy is more likely to succeed than gang intervention or suppression strategies aimed at teens.

KEYWORDS:

Gang membership; NLSY97; National estimates; Population turnover; Sampling variance-adjusted bounds

[Indexed for MEDLINE]

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