Citizen Version:
Texture size - 2k
LOD0 - 1896
LOD1 -  1552
LOD2 -  514
LOD3 - 132

Human Male/Female Version:
Texture size - 2k
LOD0 - 1896
LOD1 -1608
LOD2 - 560
LOD3 - 178



Proof:

Substance Painter Texturing

Cinema 4D High Poly

The video and photos were recorded on this map:

https://sbox.game/ducksworkshop/workshop_skin_viewer