This study aims to address this gap in knowledge by examining the prevalence of and selected factors associated with teen pregnancy in Vietnam. Two broad questions were asked: what is the prevalence of teen pregnancy in contemporary Vietnam; and what selected social, family, and individual factors are associated with teen pregnancy in Vietnam? The study utilized two national surveys conducted in 2003 and 2008 to answer the two research questions within the context of fast political, economic, and social change in Vietnam in the last two decades.