The 14th Dalai Lama (pictured) assumed full temporal power as ruler of Tibet at the age of fifteen.

The 14th Dalai Lama is the incumbent Dalai Lama, the highest spiritual leader and head of Tibetan Buddhism. He served as the resident spiritual and temporal leader of Tibet before 1959 and subsequently led the Tibetan government in exile represented by the Central Tibetan Administration in Dharamsala, India.

Tibet, or Greater Tibet, is a region in the western part of East Asia, covering much of the Tibetan Plateau and spanning about 470,000 sq mi (1,200,000 km²). It is the homeland of the Tibetan people. Also resident on the plateau are other ethnic groups such as Mongols, Monpa, Tamang, Qiang, Sherpa, Lhoba, and since the 20th century Han Chinese and Hui. Tibet is the highest region on Earth, with an average elevation of 4,380 m (14,000 ft). Located in the Himalayas, the highest elevation in Tibet is Mount Everest, Earth's highest mountain, rising 8,848 m (29,000 ft) above sea level.