Computable Care Guidelines
1.0.1-current - ci-build International flag

Download |top| Gadm Data Version 36 Work May 2026

GADM version 3.6 (released May 6, 2018) is a foundational dataset for spatial analysis, delimiting 386,735 administrative areas worldwide. While newer versions like 4.1 exist, 3.6 remains widely used due to its stable GID identifier system, which was specifically fixed in this release after errors in version 3.4. How to Download Version 3.6

Step-by-step: Download a country (example workflow)

  1. Open a browser and go to the GADM download section on the site.
  2. Search/select the country name.
  3. Choose format (Shapefile or RData). Pick Shapefile for broad GIS compatibility; pick RData if you’ll use R only.
  4. Click download and save the .zip (shapefile) or .RData file.

2. Accessing GADM v3.6

Official Source

4.2 Converting to Other Projections

GADM 3.6 works in WGS84, but for area calculation or European mapping, reproject: download gadm data version 36 work

Unzip shapefiles into the shp/ folder. Keep .gpkg files as-is in the gpkg/ folder. GADM version 3

Step 4: Loading into Software

A. In R (using sf or raster)

library(sf)

You can access version 3.6 data through several official and community-supported channels: Open a browser and go to the GADM