Factors associated with the decline in under five diarrhea mortality in Tanzania from 1980-2015.

Background: Tanzania has made great progress in reducing diarrhea mortality in under- five children. We examined factors associated with the decline and projected the impact of scaling up interventions or reducing risk factors on diarrhea deaths.

Methods: We reviewed economic, health, and diarrhea-related policies, reports and programs implemented during 1980 to 2015.