This figure shows the rates for mumps in Australia in 2013, by age group and sex.  This figure demonstrates the overall male to female ratio as 1.36:1. The highest rates for males occurred in the 15 to 24 and 30 to 34 years age group at 2.5 per 100,000 population and for females occurred in the 40 to 44 years age group at 1.4 per 100,000 population.