That is not known. There are about 1600 tornadoes recorded worldwide on average. However, the real number is almost certainly much higher as many countries do not keep records of their tornadoes.
Tornadoes happen all around the world and it depend on your location as to how many tornadoes you will have.
Records for the whole world are not available. The U.S. had 1,339 recorded tornadoes that year.
In the United States. This is misleading however as this only applies to recorded tornadoes. many countries where tornadoes occur do not keep detailed record of them.
No, tornadoes can occur in many parts of the world where there are the right atmospheric conditions. However, the frequency and intensity of tornadoes are highest in North America, particularly in the central United States.
Statistics for the whole world are not available. But a preliminary count shows 811 tornadoes hitting the U.S. in 2013, which is unusually low.
There have been many F5 tornadoes. See the link below for a list.
The majority of U.S. tornadoes happen in Tornado Alley. However worldwide tornadoes are found in many regions,, though a large portion of these tornadoes are not documented.
Tornadoes can happen in many parts of the world, but they are most common in the central United States. This region is known as "Tornado Alley" due to the high frequency of tornadoes that occur there. Other areas prone to tornadoes include parts of South America, Southeast Asia, and Australia.
Kansas aveages 95 tornadoes per year.
It depends on where you live. Tornadoes happen fairly often in the US as a whole, mostly during the spring or fall. However, they typically affect a very limited area. Even though the US is the most tornado-prone area in the world (for example, Europe is slightly larger than the US, but the US has four times as many tornadoes), there are almost no intense (>3 on the Fujita scale) tornadoes west of the Rocky Mountains.
Illinois averages about 45 tornadoes per year.
75% of recorded tornadoes happen in the U.S. This is misleading though as many countries do not keep records of their tornadoes as the U.S. does.