Overview of Australia’s Mortality Trends in 2023
The leading causes of death in Australia in 2023 were dominated by long-term health conditions such as cancer, dementia, and cardiovascular disease. Data from the Australian Bureau of Statistics (ABS) shows that these diseases accounted for thousands of doctor-certified deaths across the country, particularly among those aged 85 years and older.
According to Australia death statistics 2023, cancer remained the most common cause of death, followed by dementia, ischaemic heart disease, respiratory diseases, other cardiac conditions, cerebrovascular diseases, diabetes, and COVID-19. In February 2023 alone, these causes contributed to 9,473 deaths, demonstrating the continued burden of chronic illnesses among older Australians.
Data Sources: ABS, AIHW, and IHME
This article draws from data provided by the Australian Bureau of Statistics (ABS), the Australian Institute of Health and Welfare (AIHW), and the Institute for Health Metrics and Evaluation (IHME). These organisations collect and analyse Australia’s health and mortality data to help understand disease trends and support public health initiatives.
Top 5 Causes of Death
Cardiovascular Disease (Heart Disease)
Cardiovascular disease (CVD), which includes ischaemic heart disease, stroke, and other cardiac conditions, continues to be one of the leading causes of death in Australia 2023. The ABS recorded over 1,600 heart-related deaths in February alone, most occurring in people aged 75 and above.
2023 Figures & Trends
Heart disease affects the blood vessels that supply oxygen and nutrients to the heart. When these vessels narrow or become blocked, it can lead to chest pain, heart attack, or cardiac arrest. Stroke deaths in Australia—caused by a sudden interruption of blood flow to the brain—are also a major component of cardiovascular mortality.
Prevention & First Aid Relevance
Common risk factors include high cholesterol, smoking, excessive alcohol consumption, lack of physical activity, and obesity. The AIHW recommends lifestyle management and routine Heart Health Checks to lower risks.
If someone experiences chest pain, call 000 immediately. Early CPR and defibrillation can greatly increase survival rates in sudden cardiac arrest. Enrolling in a CPR First Aid course equips you with essential skills for emergency response and heart attack prevention.
Cancer (Neoplasms)
Cancer remained the number one cause of death, with 3,803 deaths recorded in February 2023. It occurs when abnormal cells in the body grow and divide uncontrollably, forming tumours that can spread to other areas.
Common Symptoms and Prevention
Symptoms may include unusual lumps, unexplained weight loss, fatigue, or persistent pain. Healthdirect recommends undergoing free screening programs for breast, cervical, and bowel cancer to allow early detection. Protecting your skin from UV exposure is also essential for Australians, given the high rates of skin cancer nationwide.
First Aid & Medical Care
If you notice unusual symptoms, consult a doctor immediately or call the Cancer Council Helpline at 13 11 20 for advice and support.
Dementia and Alzheimer’s Disease
Dementia was the second leading cause of death in 2023, accounting for 1,176 doctor-certified deaths. It is a gradual decline in memory, thinking, and social abilities that interferes with daily life.
Causes and Symptoms
Common causes include Alzheimer’s disease, vascular dementia, Lewy body disease, and frontotemporal dementia. Symptoms may include confusion about time and place, difficulty performing routine tasks, and memory loss.
Prevention and Care
Keeping the brain active through puzzles, reading, and social interaction can help delay onset. While there is no cure, medications and support services can improve quality of life. Carers and health professionals can provide valuable assistance in managing symptoms and maintaining independence.
Chronic Respiratory Diseases
Chronic respiratory diseases, including chronic obstructive pulmonary disease (COPD), influenza, and pneumonia, contributed to around 875 deaths in February 2023.
Symptoms and Prevention
Symptoms include persistent coughing, shortness of breath, and wheezing. Avoiding smoking, managing asthma, and getting annual flu vaccinations can help prevent respiratory illnesses.
If symptoms suddenly worsen or breathing becomes difficult, seek medical help immediately. Those trained in first aid can assist by ensuring the person’s airway is clear and by calling 000 for urgent support.
Other Major Causes: Diabetes, Stroke, and COVID-19
Other significant contributors to mortality include diabetes, cerebrovascular diseases (such as stroke), and COVID-19.
- Diabetes can lead to organ damage, heart complications, and infections.
- Stroke deaths in Australia remain a major concern, especially in older adults.
- COVID-19, though less prevalent than in previous years, continued to cause over 200 deaths in February 2023.
Maintaining a balanced diet, regular physical activity, and adherence to medical treatments can lower the risks associated with these conditions.
Demographic Variations (Gender and Age Groups)
Mortality data from the ABS shows that age and gender significantly influence death rates. Australians aged 85 and over recorded the highest mortality, with rates exceeding 898 deaths per 100,000 people.
Among males, the rate was higher across all age groups—especially among those over 85, at 956 deaths per 100,000. Females in the same age group also recorded high rates, at around 859 per 100,000.
These figures highlight the need for regular health monitoring and preventative care, particularly in older populations.
Preventative Measures & First Aid Relevance
A large proportion of Australia’s leading causes of death are preventable through lifestyle adjustments and early detection.
- Quit smoking and reduce alcohol consumption.
- Eat a balanced diet and maintain a healthy weight.
- Stay physically active and socially connected.
- Schedule regular health screenings and check-ups.
CPR Relevance in Sudden Cardiac Arrest
Knowing CPR can save lives during heart-related emergencies. Immediate cardiopulmonary resuscitation (CPR) helps maintain blood flow to vital organs until professional help arrives.
Healthy Habits That Reduce Mortality Risk
Engaging in regular exercise, maintaining good mental health, and managing chronic conditions under medical supervision are vital in reducing risk factors for Australia’s top diseases.
How CPR First Aid Courses Help
Taking a CPR First Aid course in Australia can make a meaningful difference in emergencies. These courses teach how to recognise cardiac arrest, perform effective chest compressions, and use an Automated External Defibrillator (AED).
FAQs
What statistics are included?
The statistics summarise the main causes of death certified by doctors in Australia for February 2023, sourced from the ABS and AIHW.
Which is the biggest cause of death in Australia?
Cancer remains the leading cause, followed by dementia and cardiovascular diseases.
How can first aid make a difference?
Immediate first aid, especially CPR during cardiac arrest, significantly improves survival chances. CPR First Aid courses provide practical skills for managing such emergencies.
Conclusion
The leading causes of death in Australia in 2023 were cancer, dementia, and cardiovascular disease, along with respiratory illnesses, diabetes, and COVID-19. Mortality rates were highest among Australians aged 85 and older.
Adopting a healthy lifestyle, undergoing regular medical check-ups, and learning first aid can greatly reduce risks. Enrolling in a CPR First Aid course empowers individuals with the skills and knowledge to respond confidently in medical emergencies, potentially saving lives in their community.




