1. North Korea has carried out roughly 100 ballistic missile tests since 2011, when Kim took power, as well as multiple underground nuclear tests.
2. The Kim regime is believed to have about 20-25 nuclear warheads.
3. North Korea's latest test of its new Hwasong-15 ICBM in November hit an altitude of 4,475 kilometers, or about 2,780 miles, higher than the International Space Station. It likely has a potential range of 13,000 kilometers, or 8,100 miles, meaning it could strike anywhere in the U.S. mainland.
4. Despite high rates of poverty,North Korea spent about $3.5 billion every year on military expenditures from 2004 to 2014.
5. A North Korea nuclear attack could result in 2.1 million deaths in Tokyo and Seoul alone.
6. North Korea's military has about 1,300 aircraft and nearly 300 helicopters.
7. Kim's military also has 430 combatant vessels, 70 submarines, 4,300 tanks and 5,500 multiple-rocket launchers.
8. There are about 28,500 U.S. troops stationed in South Korea, making them especially vulnerable to a North Korean attack.
9. North and South Korea are divided by a closely guardeddemilitarized zone.
10. Roughly 780 North Koreans fled to South Korea this year, about a 13 percent drop from 2016