The Tunisian unemployment rate reached 18.9 per cent in the fourth quarter of last year, with nearly three-quarters of jobless citizens under the age of 30. The rate marks a 0.6 per cent rise from the second quarter of 2011, according to data released by the Tunisian National Institute of Statists (INS) on 23 February. The total number of jobless Tunisians was reported at more than 738,000, a jump of 33,500 people.