The Tonga Multiple Indicator Cluster Survey (MICS) was carried out in 2019 by Tonga Statistics Department (TSD) in collaboration with Ministry of Health, Ministry of Internal Affairs – Women’s Affairs and Gender Equality Division and other government ministries as part of the Global MICS Programme. Technical support was provided by the United Nations Children’s Fund (UNICEF), United Nations Population Fund (UNFPA) and Pacific Community (SPC) with government funding and financial support of UNICEF and UNFPA through Ministry of Health.