1. A government that keeps its citizens through hazy reports of violence by “outsiders”
  2. The rise of China and decline of the US
  3. Fanatical, Conspiracy Theorist Right-wingers
  4. Spiders
  5. Global Warming
  6. An unnoticed asteroid hitting the planet and destroying civilization
  7. The possibility of a major solar flare destroying the national power-grid, which could take months to years to repair, thereby destroying civilization
  8. Bears
  9. Nuclear terrorists
  10. Not saving enough for retirement