Records are only readily available for the United States. In the U.S. there were 1,817 tornadoes in 2004 and 1,265 in 2005.
There were 1,817 tornadoes recorded in the U.S. in 2004.
Official record shows 1,263 tornadoes in the United States in 2005.
There were 11 tornadoes in Pennsylvania in 2005.
There were 1,103 tornadoes in the U.S. in 2006.
There were 94 tornadoes in Alabama in 2008.
There were 105 tornadoes in Iowa in 2008.
15 tornadoes occurred in Michigan in 2011.
There were 20 tornadoes in Ohio in 2014.
There were 178 tornadoes in Texas in 2004.
There were 136 recorded tornadoes in Kansas in 2005.
Tennessee had 23 confirmed tornadoes in 2005.
Worldwide figures are not available as most countries do not keep record for their tornadoes. Here are figures for the United States: 2000: 1,075 tornadoes 2001: 1,215 2002: 934 2003: 1,374 2004: 1,817 2005: 1,265 2006: 1,103 2007: 1,096 2008: 1,692 2009: 1,156