I am looking for a vector file worldmap which should include as many boundaries reaching to a very small level (like ZIP-Codes/small communities/etc) as possible.
The data of Natural Earth is quite good, but does not go that much in detail. The GADM data would be nearly perfect, but it is not allowed for company use.
Requirements:
- Consistent boundaries for nearby countries (no overlapping!).
- As much detail as possible (refering to boundaries).
Country boundaries and subdivisions should be separated.
The data is for company use, therefore I should be able to buy it, or it should be free to use for companies.
I also thought of extracting it from the OpenStreetMap data. Do you think this is possible?
Answer
There is also the Global Administrative Unit Layers (GAUL) from FAO , same has the GADM data (there is somehow a permission that can be requested).
Another source you can look at are the GIS Data Vendors from GPS companies:
They use that kind of data as well, but I am not sure if they can sell it back to you and also the price they will charge.
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