Abstract
Adolescents and emerging adults who engage in risky sexual behaviors (RSBs), such as inconsistent condom use, having multiple partners, having sex at a young age, and having sex while intoxicated or high, are at elevated risk of acquiring sexually transmitted diseases (STDs) and unplanned pregnancy. The chapter discusses the relationship of acculturation (along with associated intrapersonal and interpersonal mediators and moderators) with RSB outcomes. Acculturation can be a protective or risk-enhancing factor for RSBs among adolescents. Intrapersonal variables, such as academic achievement, sexual intention, and sexual health knowledge, and interpersonal variables, such as parent, peer, and partner relationships, can act as mediators between acculturation and RSBs. The strength of these relationships may be further moderated by religiosity and gender. Implications for future research and interventions are proposed.