The cost of global violence and unrest: US $1,350 per person
World becomes less peaceful for 7th successive year, Syria replacing Afghanistan in bottom place, according to Global Peace Index
World peace declining after long post-WWII improvement: study
Conflict in Iraq, Syria, Afghanistan, Sudan and Central African Republic helped drag down the annual Global Peace Index
Members from the oil police force stand guard at Zubair oilfield in Basra, southeast of Baghdad
Members from the oil police force stand guard at Zubair oilfield in Basra, southeast of Baghdad June 18, 2014. REUTERS/ Essam Al-Sudani (IRAQ - Tags: CIVIL UNREST POLITICS MILITARY BUSINESS COMMODITIES)
A member from oil police force stands guard at Zubair oilfield in Basra, southeast of Baghdad
A member from the oil police force stands guard at Zubair oilfield in Basra, southeast of Baghdad June 18, 2014. REUTERS/ Essam Al-Sudani (IRAQ - Tags: CIVIL UNREST POLITICS MILITARY BUSINESS COMMODITIES)
A member of the oil police force stands guard at Zubair oilfield in Basra
A member of the oil police force stands guard at Zubair oilfield in Basra, southeast of Baghdad June 18, 2014. REUTERS/ Essam Al-Sudani (IRAQ - Tags: CIVIL UNREST POLITICS MILITARY)
Members of the oil police force man a checkpoint at Zubair oilfield in Basra
Members of the oil police force man a checkpoint at Zubair oilfield in Basra, southeast of Baghdad June 18, 2014. REUTERS/ Essam Al-Sudani (IRAQ - Tags: CIVIL UNREST POLITICS MILITARY BUSINESS COMMODITIES)
A member from oil police forces stands guard at Zubair oilfield in Basra, southeast of Baghdad
A member from the oil police forces stands guard at Zubair oilfield in Basra, southeast of Baghdad June 18, 2014. REUTERS/ Essam Al-Sudani (IRAQ - Tags: CIVIL UNREST POLITICS MILITARY)
A member of the Iraqi Special Operations Forces stands guard during an intensive security deployment in Baghdad
A member of the Iraqi Special Operations Forces stands guard during an intensive security deployment in Baghdad's Amiriya district, June 18, 2014. The United States is contemplating talks with its arch-enemy Iran to support the Iraqi government in its battle with Sunni Islamist insurgents who routed Baghdad's army and seized the north of the country in the past week. REUTERS/Thaier Al-Sudani (IRAQ - Tags: CIVIL UNREST POLITICS MILITARY)
Members of the Iraqi Special Operations Forces take part in an intensive security deployment in Baghdad
Members of the Iraqi Special Operations Forces take part in an intensive security deployment in Baghdad's Amiriya district, June 18, 2014. The United States is contemplating talks with its arch-enemy Iran to support the Iraqi government in its battle with Sunni Islamist insurgents who routed Baghdad's army and seized the north of the country in the past week. REUTERS/Thaier Al-Sudani (IRAQ - Tags: CIVIL UNREST POLITICS MILITARY)
Members of the Iraqi Special Operations Forces take part in an intensive security deployment in Baghdad
Members of the Iraqi Special Operations Forces take part in an intensive security deployment in Baghdad's Amiriya district, June 18, 2014. The United States is contemplating talks with its arch-enemy Iran to support the Iraqi government in its battle with Sunni Islamist insurgents who routed Baghdad's army and seized the north of the country in the past week. REUTERS/Thaier Al-Sudani (IRAQ - Tags: CIVIL UNREST POLITICS MILITARY)