Enter the countries with the highest rank on the Global Peace Index that border each other. The rank of each country that border each other will be averaged, and the ones with an average rank of 20 and above are listed. For example, Qatar (30) and Saudi Arabia (133) will have an average rank of 81.5.
According to the Global Peace Index in 2017
The Global Peace Index only ranks countries with a population above one million or a size above 20,00 km.
20,000 kilometers squared is about the size of New Jersey or Slovenia.