Anyways, I have a slight issue to decide the population of my empire.
SSE has over 50 times larger territory than [@Nerevarine] who has the population of 6.5 million.
On the other hand both [@eemmtt], [@Elitestpotato] and even [@Thrashy] has larger territories than me and likely considerably less mountains yet their population is around 5+ million.

I can imagine that Nerevarine compared his lands to UK and maybe boosted a bit because Orks are likely reproducing faster.
But unless the map is indeed the whole world I think that assumption is not the best.
Then again, probably the other nations also need some boost in their population, depending on how large these lands actually are.

Anyways, I think I leave my population at 5 million for now.
I'll alter it when we were shed some light on this issue.

Speaking of which:
[@White Feather] If possible can you give use a rough estimate on the size of this continent?
How wide is the map?
5,000 km?
10,000 km?
20,000 km?
This and using medieval statistics would help me great time to determine roughly how many people my empire could have.