This dataset contains 20 years of urban expansion data for 46 case studies located in Sub-Saharan Africa. For more information, see the MAUPP website. The dataset can also be explored from your browser in an interactive web map. For each case study, the following files are provided: Filename: builtup_<year>.tif Format: GeoTIFF [UINT8] Description: Binary built-up data for each year. Legend: 0=Not built-up; 1=Built-up. Filename: builtup_history.tif Format: GeoTIFF [UINT8] Description: Age of the built environment. Legend: 0=Not built-up; 1=Before 1995; 2=1995-2000; 3=2000-2005; 4=2005-2010; 5=2010-2015. Filename: expansion_<year1>_<year2>.tif Format: GeoTIFF [UINT8] Description: Characterization of urban expansion between <year1> and <year2>. Legend: 1=Existing built-up; 2=Infill; 3=Expansion; 4=Leapfrog. Filename: training_samples.tif Format: GeoTIFF [UINT8] Description: Training samples extracted from OpenStreetMap. Legend: 1=Built-up; 2=Not built-up. Filename: aoi.geojson Format: GeoJSON Description: Area of interest (EPSG:4326). Filename: validation.json Format: JSON Description: Validation metrics. Filename: metadata.json Format: JSON Description: Creation date, source data, CRS, country, city.