Democratic accountability does not depend upon the size of an entity. Instead it relies on how said entity is internally structured (e.g. direct democracy vs. more representative models) and how prone to corruption it is.<p>Personally I think nation states are rather burdensome. In business one has to handle countless different legal and tax frameworks while fundamentally every human has comparable needs. Why operate ~196 governments when one government would suffice? The inefficiency is just mind boggling in my opinion.