The Royal College of Nursing (RCN), a non-profit organization founded in 1916 and headquartered in the UK, is the world's largest nursing union and professional body. It represents over half a million nurses, student nurses, midwives, and nursing support workers both domestically and internationally. The RCN operates as a member-led organization, collaborating with its members to advocate for improved working conditions, influence policy decisions with governments and other organizations, and promote the nursing profession.