As of August 24, 2013 the most recent tornado in the United States, which ocurred on August 18, did not result in any deaths. This is not surprising, as 98% of tornadoes in the US are not killers. The last killer tornado in the US was an EF1 in Iowa on June 24, which killed 1 person.
As of December 3, 2012 the last confirmed tornado was on November 11 with another unconfirmed report on November 30. Neither of these tornadoes resulted in any deaths or injuries.
The last Killer tornado in the U.S. was on June 24 near Venus, Florida. The EF2 tornado killed 1 person.
The last known killer tornado, as of October 15, 2012 was an F2 in Wycinki, Poland that killed person.
As of August 22, 2013 the most recent killer tornado was an EF1 in Iowa on June 24. One person was killed.
The most recent killer tornado, which occurred in North Carolina on November 16, 2011, killed 2 people. It touched down less than an hour after another tornado in South Carolina that killed 3 people.
The Waco, Texas tornado killed 114 people.
27 people were killed.
The Daultapur-Saturia tornado of 1989 killed an estimated 1,300 people.
The Tri-State tornado killed 71 people in Indiana
The Oklahoma City tornado of May 3, 1999 killed 36 people.
The Andover tornado killed 17 people.
The Tri-State tornado killed 695 people.
The Joplin, Missouri tornado of May 22, 2011 killed 158 people. This ranks it as the 7th deadliest tornado in U.S. history.
158 people were killed by the Joplin tornado. Another tornado on the same day killed 1 person in the Minneapolis area.