Gathered for the GAFSP Open Data Services activity. This file contains summary statistics of malnutrition by region 2015-2016 (underweight children under 5 years old). Data collected by the National Bureau of Statistics (NBS) and Office of the Chief Government Statistician (OCGS), Zanzibar, in collaboration with the Ministry of Health, Community Development, Gender, Elderly and Children, Mainland, and the Ministry of Health, Zanzibar with financial support from USAID, Global Affairs Canada, Irish Aid, UNICEF and UNFPA and technical assistance from ICF. Data published in "Tanzania Demographic and Health Survey and Malaria Indicator Survey 2015-2016 Final Report."