A person should be 7 feet (2.20 meters) tall or more to be considered a giant. Gigantism is a disorder and the medical reason for gigantism is a surplus of growth hormone.
Tallest People in The World: Top 25 Countries by Average Height
Here’s a chart visualising the tallest people in the World.
The exact numbers change from year to year.
How the Tallest Person Ever Died
Robert Wadlow died from an infection in his leg, caused by a badly fitted brace that helped him walk.
Tallest Person In The World: Sultan Kösen
The tallest person in the world alive is the Turkish man Sultan Kösen. He is 251 cm or 8 feet 3 inches tall.