| Field Name | Data Type | Description | | :--- | :--- | :--- | | GID_i | String | Preferred unique ID of the administrative unit (e.g., AFG.1_1) | | ID_i | Integer | Alternative unique identifier for the level | | NAME_i | String | Official name in Latin script | | VARNAME_i | String | Alternative names, separated by pipes ( | ) | | NL_NAME_i | String | Official name in non-Latin script (e.g., Arabic, Chinese) | | HASC_i | String | Hierarchical Administrative Subdivision Code | | CC_i | String | Unique identifier used within the country | | TYPE_i | String | Administrative type in the local language | | ENGTYPE_i | String | Administrative type in English | | VALIDFR_i | String | Date from which the data is known to have started (YYYY-MM-DD) | | VALIDTO_i | String | Date until which the data is valid (YYYY-MM-DD) | | REMARKS_i | String | Comments about edits or historical changes |
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GADM data is free for academic and non-commercial use . Commercial redistribution requires prior permission. download gadm data version 36 work
Downloading GADM 3.6 data is straightforward. The most reliable method is through the official GADM archives . 1. The GADM Data Download Page Navigate to the GADM Data page. Look for the section specifying .
GADM version 3.6 is a comprehensive spatial database providing administrative boundaries for all countries and their sub-divisions. While version 4.1 is the current standard, version 3.6 remains widely used in research due to its stability and extensive integration into legacy GIS workflows. | Field Name | Data Type | Description
This separation allows you to work with the appropriate level of detail for your project. For regional studies, you might use level 1 data, while national-level analysis would typically use level 0.
Secondary sub-divisions (e.g., Counties in the US, Districts in India). The most reliable method is through the official
Many academic papers and ongoing projects are anchored to the spatial boundaries defined in this specific release. Using a consistent version ensures that comparisons over time or across studies remain valid. How to Download GADM Data Version 3.6
From version 3.6 onwards, GID codes are persistent, making them more reliable for long-term projects than older versions. Resolution: Typically around 10m resolution. ISO 3166-1 alpha-3 code for a specific country to use in your scripts? Download GADM data (version 3.6)
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