The tallest man in the world is Sultan Kösen of Turkey. He is 8 feet 2.8 inches tall. Kösen was diagnosed with acromegaly, a condition that causes excessive growth, when he was 18 years old.
The second tallest man in the world is Brahim Takioullah of Morocco. He is 8 feet 1 inch tall. Takioullah was also diagnosed with acromegaly when he was a teenager. He has not undergone surgery to treat his condition, but he has managed to live a relatively normal life.
The third tallest man in the world is Morteza Mehrzad Selakjani of Iran. He is 8 feet 1 inch tall. Selakjani was born with a rare genetic disorder that causes excessive growth. He has not undergone surgery to treat his condition, but he has managed to live a relatively normal life.
The fourth tallest man in the world is Dharmendra Pratap Singh of India. He is 8 feet 0.7 inches tall. Singh was born with a rare genetic disorder that causes excessive growth. He has not undergone surgery to treat his condition, but he has managed to live a relatively normal life.
The fifth tallest man in the world is Zhang Juncai of China. He is 7 feet 11.25 inches tall. Zhang is a professional basketball player. He has not been diagnosed with any medical conditions that would explain his height.
The sixth tallest man in the world is Asadullah Khan of Afghanistan. He is 7 feet 11 inches tall. Khan is a farmer. He has not been diagnosed with any medical conditions that would explain his height.
The seventh tallest man in the world is Naseer Soomro of Pakistan. He is 7 feet 10 inches tall. Soomro is a farmer. He has not been diagnosed with any medical conditions that would explain his height.
The eighth tallest man in the world is Bao Xishun of China. He is 7 feet 9 inches tall. Bao is a retired basketball player. He was diagnosed with acromegaly when he was a teenager. He underwent surgery to treat his condition, which slowed his growth.
The ninth tallest man in the world is Sun Mingming of China. He is 7 feet 9 inches tall. Sun is a professional basketball player. He was born with a rare genetic disorder that causes excessive growth. He has not undergone surgery to treat his condition.
The tenth tallest man in the world is Radhouane Charbib of Tunisia. He is 7 feet 9 inches tall. Charbib is a retired basketball player. He has not been diagnosed with any medical conditions that would explain his height.