"This is the ninth edition of the Global Peace Index (GPI), which ranks the nations of the world according to their level of peacefulness. The index is composed of 23 qualitative and quantitative indicators from highly respected sources and ranks 162 independent states, covering 99.6 per cent of the world?s population. The index gauges global peace using three broad themes: the level of safety and security in society, the extent of domestic and international conflict and the degree of militarisatio."