Crowdsourced Mapping to Prevent FGM in Tanzania

by Tanzania Development Trust Vetted since 2014 Top Ranked Effective Nonprofit


This is a volunteer run project to map rural Tanzania into Openstreetmap - an open source map available to everyone for navigation, planning, and monitoring of services. It will add every school, clinic, village, road and water point using a combination of satellite images, open government data and training locals on the ground with mobile apps. We are starting with the area where girls are at risk of FGM so that advocacy staff know where the villages are and so can reach the girls at risk.

total goal
monthly donors


Rural Tanzania is very poorly mapped. Villages of 10,000 people do not appear making navigation and planning very hard. This affects the 35 million people who live in rural areas, with generally very poor access to water, health and education. District Medical Officers lack maps of the clinics they manage, District Education Officers lack maps of their schools. Having maps online, on mobile apps and on paper in village offices will enable citizens to navigate and officials to improve services


We have recruited over 400 online volunteers who are mapping roads & villages from satellite images, and adding school and clinic locations from open data. We are training local people to develop and use maps of their communities to improve services. We have started with the area where girls are at risk of FGM so that they can be protected before the cutting season in December. This is a long term project to map all of rural Tanzania to enable better navigation and transparency of services.

Long-Term Impact

Having freely available maps of rural Tanzania will allow the 35 million citizens there to be represented, navigate their communities and work to ensure the relevant Sustainable Development Goals are met. This will help people see where schools, clinics and water points need to be built and improved. It will allow citizens, NGOs and visitors to navigate the area, share their location and better understand the value of maps.

Additional Documentation

This project has provided additional documentation in a PDF file (projdoc.pdf).


Crowd2Map Tanzania blog
Presentation at State of the Map, Brussels, Sep 16
Missing Maps Blog

Organization Information

Tanzania Development Trust

Location: SOUTH CROYDON, Surrey - United Kingdom
Website: http:/​/​
Facebook: Facebook Page
Twitter: @tanzdevtrust
Project Leader:
London, Greater London United Kingdom

Learn more about GlobalGiving

Teenage Science Students
Vetting +
Due Diligence


Woman Holding a Gift Card
Gift Cards

Young Girl with a Bicycle

Sign up for the GlobalGiving Newsletter

WARNING: Javascript is currently disabled or is not available in your browser. GlobalGiving makes extensive use of Javascript and will not function properly with Javascript disabled. Please enable Javascript and refresh this page.