 The principal cause of death in 2008 was cardiovascular disease at 43.5% for men and 57.2% for women, followed by tumours, at 29.4% for men and 21.4% for women.In 2009 only 13 Croatians had been infected with HIV/AIDS and six had died from the disease.In 2008 it was estimated by the WHO that 27.4% of Croatians over the age of 15 are smokers.