Google Open Buildings
Google Open Buildings provides billions of building footprint polygons in Africa, South Asia, Southeast Asia, and Latin America from high-res satellite imagery and ML.
Format
GeoJSON / CSV
Geometry
Polygon (building footprints)
Coverage
Africa, South/Southeast Asia, Latin America
Resolution
Building-level polygons
About this dataset
Google's open building footprint dataset covering Africa, South Asia, Southeast Asia, and Latin America from high-res imagery.
Google Open Buildings is a large-scale building footprint dataset derived from high-resolution satellite imagery using machine learning. Initial releases cover Africa, South Asia, Southeast Asia, and Latin America, with billions of building polygons in GeoJSON format under an open license.
How to download
- 1 Open the Google Open Buildings data portal.
- 2 Select the country or region of interest.
- 3 Download the GeoJSON building footprint file.
- 4 Open in GIS software for building count, density, and settlement analysis.
FAQ
How does Google Open Buildings compare to Microsoft?
Google focuses on developing regions (Africa, South Asia, Southeast Asia, Latin America) where building data was previously sparse, while Microsoft covers more regions. Both offer open licenses.
What is the accuracy?
Google reports precision and recall above 90% in most regions when compared to manual annotations.