This figure shows the notification rates of infectious syphilis in Australia in 2014, by age group and sex. The figure shows that the notification rates were higher in males than in females across all age groups except the 10– 14 and 15– 19 years age groups, reflecting a male to female rate ratio of 11.3:1. The notification rate among females was highest in the – 19 years age group, while the notification rate among males was highest in the 30– 34 years age group.