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HOT is an international team dedicated to humanitarian action and community development through open mapping.

Community Mappers Total number of Mappers using HOT Tasking Manager

Total Map Edits Total number of edits from Missing Maps

Buildings Mapped Total number of buildings mapped from Missing Maps

Roads Mapped (KM) Total length of roads mapped from Missing Maps


16 Jan 2020

Haiti 10 Years Later: Growth of a Humanitarian Mapping Community

Ten years ago this week, on 12 January 2010, Haiti experienced a devastating earthquake - one of the worst disasters in recent history. Within...

Haiti - Tyler Radford

16 Dec 2019

Six Ways Maps can Improve Lives

If you need an ambulance, how would the paramedics find your address? If your house was flooded, how would emergency services know you were...

Peru and 5 other countries - Alex Glynn

12 Dec 2019

What we Learnt from Mapping African Megacity Dar es Salaam

Since the project kicked-off in 2015, Ramani Huria, funded by the World Bank and implemented by Humanitarian OpenStreetMap Team (HOT), has managed to map three-quarters of one of Africa’s megacities, Dar es Salaam. As a city that is particularly vulnerable to floods, the team focused their mapping on flood-prone areas, especially in informal settlements where vulnerable populations live.

Tanzania - Hawa Adinani