According to a report published by Stockholm International Peace Research Institute (SIPRI) in October 2017, worldwide military spending rose by 0.4 percent to $ 1 trillion 686 billion in 2016 compared to the previous year. This amounts to 2.2 percent of global GDP. Military expenditures vary between regions: As Asia, Oceania, Central and Western Europe and North Africa continue to rise, Central America, Caribbean, South America and Sub-Saharan Africa fall...