Ireland is divided into four ancient provinces. On this map: 1) Ulster is light brown and dark brown, 2) Leinster is gray, 3) Munster is blue, and 4) Connacht (Connaught) is purple.

Looking at a map, it’s easy to see that Ireland is smaller than Great Britain. Comparing populations, though, takes a little more work. Below are some statistics I recently pulled together to make a comparison.