This figure shows the notification rate of newly acquired hepatitis B in Australia, from 2001 to 2011, by age group and year. The figure shows a downward trend in the notification rates between 2001 and 2011 among people aged 20 to 29 years and 15 to 19 years. The figure shows that notification rates among those aged 0 to 4 and 5 to 14 years have remained relatively stable between 2001 and 2011. Between 2010 and 2011, notification rates have decreased in all age groups, except in the 30 to 39 year age group where notification rates have increased slightly.