The study was conceived by Australian technology entrepreneur Steve Killelea, and is endorsed by individuals such as former UN Secretary-General Kofi Annan, the Dalai Lama, and 2008 Nobel Peace Prize laureate Martti Ahtisaari.
[citation needed] The updated index is released each year at events in London, Washington, D.C., and at the United Nations Secretariat in New York City.
Their assertion is that low crime rates, minimal incidences of terrorist acts and violent demonstrations, harmonious relations with neighbouring countries, a stable political scene, and a small proportion of the population being internally displaced or refugees can be suggestive of peacefulness.
The GPI also examines relationships between peace and reliable international measures, including democracy and transparency, education and material well-being.
As such, it seeks to understand the relative importance of a range of potential determinants, or "drivers", which may influence the nurturing of peaceful societies, both internally and externally.
The Index has received endorsements as a political project from a number of major international figures, including the former Secretary-General of the United Nations, Kofi Annan; former President of Finland and 2008 Nobel Peace Prize laureate Martti Ahtisaari; the Dalai Lama; Archbishop Desmond Tutu; Muhammad Yunus; and former United States President Jimmy Carter.
[11] Jeffrey Sachs at Columbia University said: "The GPI continues its pioneering work in drawing the world's attention to the massive resources we are squandering in violence and conflict.
"[13] According to The Economist, the weighting of military expenditure "may seem to give heart to freeloaders: countries that enjoy peace precisely because others (often the USA) care for their defence".