Datasets
Africapolis Urban Agglomerations (OECD/SWAC) vs GRID3 Nigeria Settlement Extents v4.0
A verified, side-by-side comparison. Both records are status-checked by Findra, so you are comparing what each actually offers today, not a stale listing.
Category
Datasets
Datasets
Type
Geographic
Geographic
Country
🌍 Pan-African
🇳🇬 Nigeria
Docs status
Docs live
Docs live
Licensing
Pricing
Free / open
Free / CC-BY-SA 4.0
Verified
Unverified
Verified
Last verified
5 Jul 2026
24 Jun 2026
Tags
boundaries, population, cities, geospatial, urbanization
geopackage, settlements, grid3, building-footprints, ciesin
Summary
Standardised geospatial database of urban agglomerations across all 54 African countries, built from censuses, electoral registers and satellite imagery. Each urban area is a polygon with population and built-up-area attributes, available in 2015 and 2020 versions. Data is downloadable as geospatial vector files from africapolis.org under CC BY 4.0.
Geospatial dataset mapping Nigeria's settlements as settlement blocks with block-level building counts/areas, Google Open Buildings 2.5D heights, and Sentinel-2 NDVI/EVI metrics. Released March 2026 by CIESIN/Columbia in OGC GeoPackage format under CC BY-SA 4.0 via the GRID3 Data Hub.