The number of tourists visiting the region surged 21.7 per cent year-on-year to 10.58 million, sources from the region's tourism bureau said.
Revenues for the tourism sector increased 30.3 per cent year-on-year to 12.65 billion yuan (USD 2 billion), state-run Xinhua news agency reported adding that the surge was mainly due to improved infrastructure and promotion.
Majority of the tourists visiting Tibet were stated to be mainland Chinese.
Three national parks were opened in the region last year, adding to existing attractions, such as the Potala Palace, the report said.
The Tibetan government launched a series of campaigns to promote regional tourism in 2012.
The region is home to 70 class-A national scenic spots, as well as 211 star-rated hotels.
Authorities expect to see 15 million tourists annually by 2015.