Ken Oplao writes:
Just from eyeballing the data, there seems to be a correlation between border age and (elite) political instability. There might also be a strong neighborhood effect of the (regional) average border age. Finally, the average border age on the Continent does not seem to be much higher than in other (post-colonial) regions of the world. This raises important questions about the usefulness of the artificiality of borders as a driver all sorts of outcomes that interest social scientists.More here