Tornado climatology
The United States averaged 1,274 tornadoes per year in the last decade. April 2011 saw the most tornadoes ever recorded for any month in the US National Weather Service's history, 875; the previous record was 542 in one month. It has more tornadoes yearly than any other country and reports more violent (F4 and F5) tornadoes than anywhere else.
Tornadoes of 2012
There were 939 tornadoes confirmed in the U.S. in 2012. 86 fatalities have been confirmed worldwide in 2012: one each in Poland, Japan and Italy, three in New Zealand, five in Indonesia, six in Turkey and 69 in the United States.