That doesn't appear to be a defect inherent to nations since there seems to be a pretty even split between free and non-free nations[0] Rather, it seems to be a

That doesn't appear to be a defect inherent to nations since there seems to be a pretty even split between free and non-free nations[0] Rather, it seems to be a problem of bad governance, corruption, ineffective or non-existent institutions, etc. My reason for favouring a world with many nations is that failures of those varieties are generally limited by the borders of the nations in which they occur. A world with a single governing body is a world with a single point of failure. [0] https://en.wikipedia.org/wiki/List_of_freedom_indices#:~:text=The%20Economic%20Freedom%20of%20the,90%20nations%20and%20territories%20worldwide https://en.wikipedia.org/wiki/List_of_freedom_indices#:~:tex....