The institute released it's Global Peace Index for 2015 this week, which ranks 162 nations around the globe based on factors like the level of violent crime,involvement in conflicts and the degree of militarization. Six out of the top 10 most peaceful countries were European, with Denmark and Austria holding the second and third spots.
"European maintained it's position as the most peaceful region in the world, supported by a lack of domestic and external conflicts,"the report said.