Older women across cultures strengthen communities, guide youth, and sustain social well-being with their unique wisdom and ties. Evidence from global projects highlights their crucial leadership in crises, fostering stability and collective solutions. Challenging ageist views reveals the broad societal advantages of valuing older women's contributions. Their leadership in education, mental health, and development provides powerful insights for social impact. Recognizing and investing in older women harnesses their strengths for lasting community well-being.