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491K

Total Mappers Total number of Mappers using HOT Tasking Manager - as of May 2024

260M

Total Map Edits Total number of edits mapped using HOT Tasking Manager - as of May 2024

156.4M

Buildings Mapped Total number of buildings mapped using HOT Tasking Manager - as of May 2024

3.4M

Roads Mapped (KM) Total length of roads mapped using HOT Tasking Manager - as of May 2024

Updates

10 Jun 2025

Humanitarian GIS Reflections in Mid-2025: A Collaborative Approach to Geospatial Data

Amid severe funding cuts in 2025, humanitarian GIS practitioners are prioritizing collaboration to avoid duplication and leverage shared resources like OSM. Spatial data—particularly OSM’s open, community-driven model—offers a resilient framework for coordinated crisis response, combining local knowledge with global standards.

Global - Jessica Pechmann

9 Jun 2025

Demystifying Expert Mapping Through Modeling

Tim DeWinter, our Open Mapping for All Coordinator, invites you to explore how modeling can make expert OpenStreetMap skills more accessible to beginners and foster a stronger mapping community.

Global - Tim DeWinter

5 Jun 2025

Datos que mueven ciudades: cartografía participativa para planificar el transporte en América Latina y el Caribe

Desde Zitácuaro hasta Salina Cruz, comunidades, universidades y gobiernos locales de México están generando mapas abiertos del transporte público. Esta estrategia nacional es liderada por el Equipo Humanitario de OpenStreetMap (HOT), en colaboración con Codeando México y Trufi Association, para digitalizar rutas, ayudar en esfuerzos de modernización del transporte, reducir brechas en la movilidad urbana.

Mexico - Mariana Marín, Céline Jacquin

Our Impact

HOT's work is global in scale and contributes to the achievement of the Sustainable Development Goals (SDGs). Our Monitoring and Evaluation framework is constantly evolving to ensure tangible and measurable impact. Check out our core impact areas and learn more about where we're making a difference.