Texture size - 2048x2048

Citizen:

Lod0 - 6240

Lod1 - 5008
Lod2 - 2299
Lod3 - 346

Human M:
Lod0 - 6240

Lod1 - 4832

Lod2 - 2210
Lod3 - 226

Human F:
Lod0 - 6240
Lod1 - 4832
Lod2 - 2194
Lod3 - 226

Proof:

Substance Painter

Zbrush High Poly