This page has a list of countries by Political Stability and Absence of Violence/Terrorism: Estimate, according to officially-recognized international sources compiled by the World Bank. Political Stability and Absence of Violence/Terrorism measures perceptions of the likelihood of political instability and/or politically-motivated violence, including terrorism. Estimate gives the country's score on the aggregate indicator, in units of a standard normal distribution, i.e. ranging from approximately -2.5 to 2.5.