This report presents demographic and labour force statistics on the medical profession in Australia. It is based on the main findings of the 2003 national survey of registered medical practitioners. Information presented in the report includes the number of registered practitioners in each geographic region and in each state and territory, their age and sex profiles, areas of practice, medical specialties and hours worked. The report also includes comparisons over time using data from the 2000, 2001 and 2002 national surveys of registered medical practitioners.