Some 219 people were killed and 510 injured during the violent protests that led to the ouster of Tunisian strongman Zine El Abidine Ben Ali, the head of a UN human rights mission said on Tuesday.
Bacre Ndiaye told a press conference that 147 people had died since the popular revolt began in mid-December while another 72 died in the couyntry's jails.
The head of the UN mission made it clear that these figures were not final and said the world body was continuing its investigations.
The previous UN death toll for the Tunisian anti-government uprising was "at least 100 dead."
Ben Ali fled to Saudi Arabia in December 2010 after weeks of violent protests against his iron-fisted rule.