Luke Weinhagen: “Q: What’s the political equivalent of the Dunbar number?” Curt:

Luke Weinhagen: “Q: What’s the political equivalent of the Dunbar number?”
Curt: “A: It’s a range rather than a number, which is, at least empirically, at present levels of technology, 10M or less. The optimum number is 300k to 5M simply because minimum scale is econ necessity.”