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Geodata and statistics / Humanitarian Data Exchange

Nigeria - Accessibility Indicators

This dataset provides insights into spatial accessibility to healthcare and education services across Nigeria. It has been created using free and open tools such as [openrouteservice](https://openrouteservice.org/) and open data sources, primarily [OpenStreetMap](https://www.openstreetmap.org/) (OSM). To assess accessibility to education and healthcare, we use travel-time isochrones—polygons representing areas reachable within a given time or distance by car. We overlay these isochrones with [WorldPop](https://www.worldpop.org/) population data, which provides 100m-resolution estimates. This a…

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