Geodata and statistics / Humanitarian Data Exchange

GRID3 NGA - Settlement Extents v4.1

The GRID3 NGA - Settlement Extents v4.1 dataset consists of a geographic representation of settlements in Nigeria. Settlement extents are further delineated into settlement blocks nested within urban and small settlement areas, generated from integrated road, railway, river, building footprints, and remote-sensing inputs. Each block is enriched with morphological, environmental, and building metrics. This version supersedes the GRID3 NGA - Settlement Extents v4.0. The following changes were made: Revision of block delineation methodology resulting in new block geometries. Removal of hamlets an…