Edited sentence: Armed military service longer than 18 months, no unarmed option: 28 countries, 16% (the worst countries).Both compulsory and voluntary military service: 13 countries; 7%.Civilian, unarmed or non-combatant service option: 7 countries; 4%.Military service limited to 1 year or less: 25 countries; 14%.Military service limited to 18 months: 9 countries; 5%.No enforced conscription: 82 countries; 48% (the best countries).Selective conscription: 11 countries; 6%