Keywords: Adolescents (13-19 years), Adults (20-59 years), Advocacy, Behaviour Modification (e.g., provision of item/tool, incentives, goal setting), City / Regional / Provincial / State / National, Education / Awareness & Skill Development / Training, Family, Female, Meta-analysis, Reproductive Health & Healthy Families, Sexual Health (e.g., pregnancy prevention, family planning, sexual behaviour), Social Support (e.g., counseling, case management, outreach programs)