Number of individuals affected by STIs in Italy 2021, by type
People aged between 25 and 44 were the most affected.
In 2021, about 5.8 thousand sexually transmitted infections (STIs) were reported in Italy, almost 18 percent more than the ones recorded during 2020. According to the data, most of the cases of diagnosed STIs were caused by bacterial and viral infections, with roughly 2.9 thousand and 2.8 thousand cases, respectively.