Australia's health report: leading causes of ill-health and risk factors
Wednesday, 03 July, 2024
鈥樷櫬犫 the biennial flagship health report card聽鈥 shows that life expectancy has increased over time, but chronic conditions continue to be an ongoing cause of substantial ill health, disability and premature death in Australia.
Around three in five Australians were estimated to live with at least one long-term health condition, and two in five with two or more such conditions, in 2022, according to the report. Chronic conditions contributed to between 89% and 92% of all deaths each year in Australia from 2002鈥2022.
This is the 19th edition of 鈥楢ustralia鈥檚 health鈥, which is published in alternate years with the AIHW鈥檚 other flagship publication, 鈥楢ustralia鈥檚 welfare鈥.
Chronic conditions
鈥淐hronic conditions present a key challenge for individuals, governments and society as a whole,鈥 AIHW Deputy Chief Executive Officer Matthew James said.
鈥淔or example, with an ageing and growing population, AIHW predicts that the number of Australians with dementia will more than double by 2058 to 849,300 鈥 533,800 women and 315,500 men.
鈥淭he age-standardised coronary heart disease death rate has been declining since its peak in the late 1960s (428 per 100,000 population in 1968) and fell by more than 80% between 1980 and 2022 (from 297 to 52 deaths per 100,000 population), although it is still the leading single cause of death in Australia. There was a slight increase in the age-standardised death rate between 2021 and 2022, but the rate in 2022 was lower than in 2019 (55 deaths per 100,000 population).鈥
Cancer is a major cause of illness in Australia, with an average of over 450 cases diagnosed each day in 2023. Consistent with Australia鈥檚 ageing and growing population, between 2000 and 2023 the number of new cancer cases increased by 88% and deaths from cancer increased by 41%. Adjusted for age, however, the rate at which new cancer cases were diagnosed increased by 8%, while the rate at which people died due to cancer decreased by 25%.
鈥淪even in 10 (71%) people survived at least five years after a cancer diagnosis during 2015鈥2019, an improvement from 5 in 10 (53%) in 1990鈥1994,鈥 James said.
Life expectancy
鈥淭he last time we released an Australia鈥檚 health report, it was mid-2022 and Australia was in the middle of the Omicron wave of the pandemic,鈥 James said.
鈥淣ow, in mid-2024, it鈥檚 a good time to look back over the last few years and consider where we stand.鈥
The report shows that Australia鈥檚 life expectancy at birth is fourth highest among 38 Organisation for Economic Co-operation and Development (OECD) countries, after Japan, Korea and Switzerland. A boy and a girl born in 2020鈥2022 can expect to live on average 81.2 years and 85.3 years respectively聽鈥 an increase of over 40% since the start of the 20th century.
However, for the first time since the mid-1990s, life expectancy in Australia decreased in 2020鈥2022聽鈥 by 0.1 years for males and females from 2019-2021 to 2020-2022. This, said the report, was likely due to the increase in deaths seen in 2022, of which close to half were due to COVID-19. Greater declines in life expectancy were seen in the United States and the United Kingdom.
鈥淓ven though life expectancy in Australia decreased in 2020鈥2022, it was still higher than it was in 2017鈥2019, prior to the pandemic, by 0.3 years for males and females,鈥 James said.
鈥淐OVID-19 became the third leading cause of death in Australia in 2022, marking the first time in over 50 years that an infectious disease has been in the top five causes of death.
In 2023, it was estimated that Australians lost 5.6 million years of healthy life due to either ill-health (54% of total burden) or dying prematurely (46% of the total burden). There was, however, an 11% decline in total burden between 2003 and 2023. This was driven by a 27% decrease in the rate of fatal burden, while the non-fatal burden rate increased by 6.3%.
In 2023, the leading causes of total burden among males were coronary heart disease, back pain and problems, and suicide and self-inflicted injuries. Among females, the leading causes were dementia followed by anxiety disorders, and back pain and problems.
Risk factors
鈥楢ustralia鈥檚 health 2024鈥 reveals a decline in some behaviours and risk factors which negatively impact our health.
The five risk factors that caused the most disease burden in Australia in 2018 were: tobacco use (8.6% of total burden); overweight and obesity (8.4%); dietary risks (5.4%); high blood pressure (5.1%); and alcohol use (4.5%).
Tobacco use 鈥 which causes more deaths than any other behavioural risk factor 鈥 dropped, with 8.3% of people aged 14 and over smoking daily in 2022鈥撯2023, compared with 12.2% in 2016. The proportion of people aged 14 and over drinking alcohol in ways that put their health at risk has fallen too, from 39% in 2004 to 31% in 2022鈥23.
While tobacco smoking continues to trend down, 鈥楢ustralia鈥檚 health 2024鈥 shows vaping has become more common. 鈥淚n 2022鈥2023, for people aged 14 and over, 3.5% were using e-cigarettes daily聽鈥 up from 0.5% in 2016,鈥 James said.
鈥淧eople aged 18鈥24 were the age group most likely to use e-cigarettes daily (9.3%) in 2022鈥2023. For the same year and age group, 5.9% smoke tobacco daily.鈥
In 2022鈥2023, females aged 18鈥24 were more likely to use e-cigarettes daily compared with males 鈥 10.3% of females and 8.5% of males, James said.
鈥淢ore people are also physically active, with fewer not meeting physical activity guidelines compared with 5 years ago. 37% of adults aged 18鈥64 did not meet the physical activity guideline in 2022, a decrease from 51% in 2017鈥18.鈥
In 2022, two in three (66%) Australian adults aged 18 and over were living with overweight or obesity; similar to the rate in 2017鈥18 (67%). Looking over a longer time period, the proportion of adults living with overweight or obesity has increased (from 56% in 1995).
In 2022, 94% of adults did not meet the Australian Dietary Guidelines for daily serves of vegetables聽鈥 stable since 2007鈥08. There has been an increase in the proportion of adults not meeting the daily fruit recommendation: 56% of adults did not meet the guideline for daily serves of fruit in 2022, compared with 49% in 2017鈥18.
Increasing burden of mental health
The report also shows the increasing burden of mental health on Australians鈥 health聽鈥 especially younger Australians.
In 2020鈥2022, an estimated 8.5 million Australians (43% of the population) aged 16鈥85 had experienced a mental disorder at some time in their life while 4.3 million people aged 16鈥85 (22% of the population) had experienced a mental disorder in the last 12 months.
While the overall proportion of people with a mental disorder in the last 12 months was similar in 2007, there was a notable increase among young people, according to the report.
In 2020鈥2022, 39% of 16- to 24-year-olds had a mental illness in the last 12 months. Last time a comparable measure was collected in 2007, it was 26%. This change is almost entirely driven by an increased prevalence among females in this age group (46% in 2020鈥2022聽鈥 up from 30% in 2007).
In 2022鈥23, 10% of the population accessed 13.2 million Medicare-subsidised mental health-specific services (an increase from 8% in 2013鈥14). People aged 18鈥24 were most likely to receive services (16% of people aged 18鈥24 years) with females of this age (22%) accessing services at a higher rate than males (11%).
Health of First Nations people
There have been improvements in the health of Australia鈥檚 Aboriginal and Torres Strait Islander population, but significant challenges remain.
Death rates among First Nations people have been falling in most age groups over the past 10 years. There has not been any improvement, however, in infant and child death rates over this time.
Cancers are the most common group of diseases causing deaths among First Nations people, overtaking cardiovascular diseases as the most common group in recent years. Between 2006 and 2022, the age-standardised death rate for cardiovascular disease among First Nations people in New South Wales, Queensland, Western Australia, South Australia and the Northern Territory combined fell by 22%, from 323 to 252 per 100,000, while the cancer death rate rose by 31%, from 205 to 269 per 100,000.
Australia鈥檚 health system
In 2021鈥22, Australia spent an estimated $241.3 billion on health goods and services, an average of $9365 per person. In real terms (adjusted for inflation), this was an increase of 6.0% ($13.7 billion) or $484 per person (in 2021鈥22 dollars) from 2020鈥21 and larger than the average yearly growth rate over the decade to 2021鈥22 (3.4%).
In 2022, there were almost 689,000 healthcare professionals actively working in their registered professions (as registered with the Australian Health Practitioner Regulation Agency), an increase of 37% (184,000 professionals) since 2013. This was faster than the growth in the total number of people who were employed over the same period (21%).
In 2022鈥23, 86% of Australians had at least one Medicare-subsidised GP attendance. GP attendance rates have been steadily increasing since 2005, with a one-time peak (7.4 attendances per person) in 2021 due to increased demand for GP attendances related to COVID-19 vaccine suitability assessment and telehealth.
COVID-19 and the health system
During the pandemic, some health services were suspended, access restricted or changed, while health service workers faced additional burdens. 鈥楢ustralia鈥檚 health 2024鈥 shows that rates of hospitalisations and elective surgeries from public wait lists were impacted by the pandemic, remaining lower each year from 2019鈥20 to 2022鈥23 than 2018鈥19 (prior to the pandemic). These activities were particularly affected in 2019鈥20 and 2021鈥22.
There were 12.1 million hospitalisations in 2022鈥23, at a rate of 415.2 hospitalisations per 1000 population聽鈥 a decrease from 421.7 per 1000 population in 2018鈥19. The numbers of hospitalisations for admitted patients in public and private hospitals were generally increasing each year before the COVID-19 pandemic.
黑料吃瓜群网isation rates have remained lower than the pre-pandemic level (2018鈥19) in each year to 2022鈥23, with the largest falls observed in both 2019鈥20 and 2021鈥22, coinciding with elective surgery restrictions and workforce disruptions during the COVID-19 pandemic.
Admissions for elective surgeries from public hospital waiting lists, which were generally increasing each year before the COVID-19 pandemic, were heavily affected by disruptions to hospital services in 2019鈥20 and subsequent years. In 2022鈥23, for patients admitted from a public hospital elective surgery waiting list, 50% of patients were admitted for elective surgery within 49 days of being placed on the waiting list, an increase from 40 days in 2021鈥22 and 41 days in 2018鈥19.
鈥淭he number and rate of admissions for elective surgeries from public hospital waiting lists in 2022鈥23, while higher than 2019鈥20 and 2021鈥22, were still lower than in the years preceding the pandemic (2016鈥17 to 2018鈥19),鈥 James said.
Total numbers of Medicare Benefits Schedule (MBS)-subsidised services (such as GP attendances, pathology services and specialist attendances) and the number of services per person were generally increasing prior to 2021, but the pandemic saw higher than previous increases in 2021 and 2022.
GP attendances and pathology services witnessed large increases聽in 2021 and 2022, driven by GP assessment of suitability for a COVID-19 vaccination and by PCR testing, respectively. These did not continue into 2023, with the use of MBS-subsidised services in 2023 returning to pre-pandemic levels. MBS-subsidised telehealth attendances have, however, shown no signs of reverting back to pre-pandemic levels of use. In 2023, each Australian, on average, received 1.26 telehealth attendances compared with 0.01 telehealth attendances each in the pre-pandemic years 2017鈥2019.
鈥淭here were missed or delayed cancer screenings early in the pandemic, while immunisation coverage rates for 5-year-olds declined slightly in 2022 to 94.3% after reaching the national target of 95% in 2021,鈥 James said.
鈥淭he slight falls in coverage rates between 2021 and 2022 for 1- and 5-year-olds may reflect the impact of COVID-19 on routine childhood vaccination.鈥
鈥淎ustralia鈥檚 health is an authoritative source of health information for service providers, researchers, policy advisors and the public,鈥 James concluded.
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