In response to a U.S. navy battle group being sent toward the Korean peninsula at the weekend, Pyongyang has responded with a warning of “catastrophic consequences”, adding that North Korea is “ready to react to any mode of war desired by the U.S.” With China supposedly agreeing that some form of action now has to be taken on its ally, Statista’s Martin Armstrong looks at the countries with the largest amount of active-duty troops in the world.