For commercial use, you must obtain permission from the original data sources (check GADM’s commercial licensing page).
For users working in data science environments, version 3.6 can be accessed via scripts: Download GADM data (version 3.6) download gadm data version 36 work
import geopandas as gpd # Load the GADM 3.6 shapefile # Replace 'path_to_gadm36' with your file path gdf = gpd.read_file('gadm36_USA_1.shp') # View the first few rows print(gdf.head()) # Plot the administrative boundaries gdf.plot() Use code with caution. 3. Working in R GADM data is highly compatible with R's spatial packages. For commercial use, you must obtain permission from
If you are creating a small-scale web map, the extreme detail of GADM coastlines is unnecessary. Use the Simplify tool (Douglas-Peucker algorithm) in QGIS or ArcGIS to reduce vertex count and speed up rendering times. Working in R GADM data is highly compatible
Drag and drop the desired layer level directly onto the map view. Working in R (sf package)
# List layers in a GeoPackage file ogrinfo gadm36_USA.gpkg
Select your desired country from the dropdown menu (e.g., "India," "United States," "Brazil").