* Height: 8 ft 2.82 in (2.51 m)
* Nationality: Turkish
* Occupation: Farmer
Sultan Kösen is the tallest living man in the world, according to the Guinness World Records. He was born in December 1982 in Mardin, Turkey. Kösen's height is due to a pituitary gland tumor that caused excessive growth. He has undergone surgery to remove the tumor, but his height has not decreased. Kösen is a farmer and lives with his family in Turkey.
2. Leonid Stadnyk
* Height: 8 ft 2 in (2.57 m)
* Nationality: Ukrainian
* Occupation: Veterinarian
Leonid Stadnyk was the tallest living man in the world from 2007 until his death in 2014. He was born in 1971 in Zhytomyr Oblast, Ukraine. Stadnyk's height was also due to a pituitary gland tumor. He underwent surgery to remove the tumor in 2007, but his height remained the same. Stadnyk was a veterinarian and lived with his family in Ukraine.
3. Bao Xishun
* Height: 8 ft 1 in (2.46 m)
* Nationality: Chinese
* Occupation: Herdsman
Bao Xishun is the third tallest living man in the world. He was born in 1951 in Chifeng, Inner Mongolia, China. Xishun's height is also due to a pituitary gland tumor. He has undergone surgery to remove the tumor, but his height has not decreased. Xishun is a herdsman and lives with his family in China.
4. Rumeysa Gelgi
* Height: 7 ft 0.7 in (2.15 m)
* Nationality: Turkish
* Occupation: Student
Rumeysa Gelgi is the tallest living woman in the world, according to the Guinness World Records. She was born in 1997 in Safranbolu, Turkey. Gelgi's height is due to a rare genetic condition called Weaver syndrome. She has undergone surgery to correct her spine and legs, but her height has not decreased. Gelgi is a student and lives with her family in Turkey.
5. Zhan Juncai
* Height: 6 ft 10.2 in (2.08 m)
* Nationality: Chinese
* Occupation: Farmer
Zhan Juncai is the fifth tallest living man in the world. He was born in 1966 in Yichun, Heilongjiang Province, China. Juncai's height is due to a genetic condition called gigantism. He has undergone surgery to remove a pituitary gland tumor, but his height has not decreased. Juncai is a farmer and lives with his family in China.