Niger Risk Assessment Indicators: Admin Level 2 Flood and Infrastructure Data

HeiGIT produced these risk assessment indicators for Niger at the admin level 2 (district) scale, updated in March 2026. The data aggregates demographic, infrastructure, and accessibility metrics from WorldPop and OpenStreetMap to support flood hazard analysis across seven thematic layers.

Use Cases

• Flood risk modeling using the NER_ADM2_flood_exposure layer to identify high-risk districts
• Healthcare accessibility planning using access_pop_hospitals_30min and access_pop_primary_healthcare_30min to locate service gaps
• Vulnerability mapping for humanitarian aid distribution using children_u5 and elderly population counts

Strengths

• Aggregated at admin level 2 for localized district-level analysis
• Includes specific travel-time metrics (30, 60, and 120 minutes) for healthcare accessibility
• Derived from the GAIA Pipeline which integrates WorldPop, OSM, and Google Earth Engine

Limitations

• Facility counts (education_count, hospitals_count) are subject to the completeness of OpenStreetMap, which may vary in rural regions
• The specific temporal vintage of the underlying WorldPop and OSM data used in the pipeline is not explicitly stated

Provenance

Source

HeiGIT (Heidelberg Institute for Geoinformation Technology) via the GAIA Pipeline

Collection Method

Aggregated from secondary open data sources including WorldPop, OpenStreetMap, and Google Earth Engine

Freshness

Last updated March 2026.

Geography

Niger (Admin Level 2)