From 2002 to 2011, the United States has experienced a noticeable decline in terrorism, and North America was the region least likely to suffer from terrorism: there were only twenty-three deaths as a result of terrorism in the United States from 2002 to 2011; the three most active perpetrators of terrorist acts in the United States have been the Earth Liberation Front, Animal Liberation Front, and various anti-abortion activists; al Qaeda and affiliates, the Taliban and affiliates, the KKK and affiliates – combined — accounted for less than 3 percent of terrorist attacks in the United States in the past decade.