Tonga: Political stability index (-2.5 weak; 2.5 strong): For that indicator, The World Bank provides data for Tonga from 2003 to 2016. The average value for Tonga during that period was 0.68 points with a minumum of 0.21 points in 2009 and a maximum of 0.94 points in 2011. See the global rankings for that indicator or use the country comparator to compare trends over time.
Definition: The index of Political Stability and Absence of Violence/Terrorism measures perceptions of the likelihood that the government will be destabilized or overthrown by unconstitutional or violent means, including politically-motivated violence and terrorism. The index is an average of several other indexes from the Economist Intelligence Unit, the World Economic Forum, and the Political Risk Services, among others.