Map data: Natural Earth, version 5.1.2.
Countries and US states: 1:50m geometry.
Missing ISO territories: 1:10m map-unit geometry, preserving their own locations.
Public domain.
Source: https://github.com/nvkelso/natural-earth-vector/tree/v5.1.2
Terms: https://www.naturalearthdata.com/about/terms-of-use/
