Budget: $41.6 billion
Active frontline personnel: 247,173
Total aircraft: 1,613
In absolute terms, the Japanese military is relatively small. Nonetheless, the country is extremely well-equipped.
According to Credit Suisse, it has the fourth-largest submarine fleet on the list. Japan also has four aircraft carriers, although these vessels are equipped only with helicopter fleets.
Japan also has the fourth-largest attack-helicopter fleet behind China, Russia, and the US.
Japanese tanks and helicopters participate in a military-training exercise.