Nurses are key players in health promotion and disease prevention and the backbone of health care systems worldwide. Nurses work on the front lines of disease prevention, health promotion, and health management and are often the unsung heroes in health care facilities and emergency response. Despite the critical role they play in health care, there is a nursing shortage across the world that will affect the delivery of competent nursing care. This fact sheet highlights key action points for targeted investment in the nursing workforce and calls on Member States to strengthen nursing within the context of their own country efforts. Suggestions for action and strategies for strengthening the nursing workforce in primary health care services are through investment in education, jobs, leadership, and service delivery are provided.