License — Middle of Countries | Open Academic License

The Middle of Countries geographic centroid database is released under the Open Academic License (Non-Commercial) version 1.0. This license grants broad freedoms for educational and research use while protecting the integrity of the data and requiring attribution.

You MAY

Use the data for academic research
Use in educational materials and courses
Cite in scientific publications
Use in open-source projects (with attribution)
Share and redistribute non-commercially
Create derivative works for non-commercial purposes
Use in journalism and reporting
Use in non-profit applications

You MAY NOT (without permission)

Use in commercial software or APIs
Sell or monetize the data
Use in paid subscription services
Remove attribution notices
Claim the data as your own work
Use in advertising or marketing
Redistribute commercially

Required Attribution

When using Middle of Countries data, you must include the following attribution in a visible location:

      Geographic centroid data © 2025 Middle of Countries (middleofcountries.github.io)

      Licensed under Open Academic License (OAL-NC 1.0)

      Source data: Natural Earth / GADM 4.1 / WGS84 Ellipsoid

Commercial Licensing

For commercial use, please contact us to discuss licensing terms. We offer flexible commercial licenses for businesses, startups, and enterprise applications.

middleofcountries@gmail.com

Source Data Licenses

The boundary data used to calculate geographic centroids is sourced from:

Natural Earth — Public Domain (naturalearthdata.com)
GADM 4.1 — Academic use license (gadm.org)
datasets/geo-countries — Open Data Commons (github.com/datasets/geo-countries)