Skin cancer incidence and mortality

On this page:

1. Skin cancer in Australia

2. Melanoma incidence and mortality

2.1 Gender

2.2 Age

2.3 Location

2.4 Socio-economic status

2.5 Indigenous status

3. Non-melanoma incidence and mortality

4. Economic impact

5. Survival

6. References

Skin cancer in Australia

Table 1 shows the latest national incidence count of melanoma, as provided by the Australian Institute of Health and Welfare (AIHW), and the number of paid Medicare services for non-melanoma skin cancers (NMSC: basal cell carcinoma, squamous cell carcinoma) based on Medicare records. The latest mortality statistics for melanoma and NMSC are provided as reported by the Australian Institute of Health and Welfare (AIHW) for 2021.

According to ABS data, of the Australians living with cancer in 2017-18, nearly one in three (30.8%) had skin cancer, making this the most common type of cancer.^[1] It is estimated that at the end of 2018, there were 216,408 people in Australia living with melanoma who had been diagnosed between 1982 and 2018.^[2] Medicare records show there are over 1,100,000 paid Medicare services for non-melanoma skin cancers each year^[3] – more than 3,000 treatments each day.

At least 2 in 3 Australians will be diagnosed with skin cancer in their lifetime,^[4] and the risk is higher in men than in women. For males and females respectively, there is a 73% vs. 65% risk of developing at least one NMSC^[4] while the age-standardised incidence rate for melanoma is 81 vs 52. ^[2] The risk of mortality is also higher for men - 66% of Australians who die from skin cancer are men.^[2]

Skin cancer causes more deaths than transport accidents every year in Australia.^[5]

Table 1 Australian incidence and mortality for non-melanoma skin cancer (NMSC) and melanoma

	Men	Women	Total
Incidence
NMSC (number of paid Medicare treatment services, not people*) 2022	694,020	413,817	1,107,837
Melanoma 2019 [2]	9,134	6,494	15,628
Total	n/a	n/a	n/a
Mortality 2021 [2]
NMSC	514	251	765
Melanoma	958	497	1,455
Total	1,472	748	2,220

^{* Medicare data for numbers of services for NMSC in 2022 are available,[3] otherwise latest incidence data for NMSC is from 2002.[6] NMSC mortality includes deaths from the common skin cancers (SCC & BCC) and deaths from rarer NMSCs.}

AIHW data shows a decline in melanoma mortality rates since 2013 (Figure 1). Since the late 1990s, there has also been a significant decline in the age-specific incidence rates for melanoma among those under the age of 40 years,^[7] and in excision rates of non-melanoma skin cancer among those aged under 45 years.^[8] Research suggests that SunSmart preventive programs are likely to have contributed to the reduced incidence in melanoma among younger cohorts observed in recent years. ^[9] 

^{Figure 1 Mortality rates in Australia 1982 to 2020.[2] Age-standardised to the 2023 Australian population}

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Melanoma incidence and mortality

Melanoma of the skin is the third most commonly diagnosed cancer in in Australia (excluding NMSC).^[2] In 2019, 15,628 new cases of melanoma were diagnosed in Australia^[2], and in 2021, 1,455 people died.^[2]

Table 2 Australian incidence and mortality of melanoma [2]

	Men	Women	Total
Incidence 2019
Count	9,134	6,494	15,628
Age-standardised rate	80.6	51.5	65
Mortality 2021
Count	958	497	1,455
Age-standardised rate	8.5	3.6	5.8

^{Rates are age-standardised to the Australian population as at 30 June 2023, and are expressed per 100,000 population}

In Australia, the age-standardised incidence rate for melanoma increased by 120% between 1982 and 2019, from 29.6 cases per 100,000 persons to 65 cases per 100,000 persons.^[2] However, how much of this increase is due to a real increase in the underlying disease, and how much is due to improved detection methods, is unknown.

Gender

In 2023, Australian women were estimated to have a 1 in 21 chance of being diagnosed with melanoma before the age of 85, whereas men were estimated to have a 1 in 14 risk.^[2]

As noted above, the age-standardised incidence rate of melanoma increased by 120% between 1982 and 2019, from 29.6 per 100,000 persons to 65 per 100,000 persons.^[2] This increase was more marked for men than women. For men the age-standardised rate increased by 153% from 31.9 to 80.6 cases per 100,000 men, while for women the increase is 81%, from 28.4 to 51.5 cases per 100,000 women.^[2]

Gender differences are also observable in relation to mortality. Overall, in 2021 Australians had a 1 in 221 chance of dying from melanoma by age 85 – men had a 1 in 164 chance and women had a 1 in 340 chance.^[2]

Mortality rates for melanoma among men increased from 7.6 deaths per 100,000 in 1982 to a peak of 12.6 deaths per 100,000 in 2011^[2], before declining to the lowest recorded rate of 8.5 deaths per 100,000 in 2021.^[2] For women, rates increased from 3.9 deaths per 100,000 in 1982 to a peak of 4.9 deaths per 100,000 in 2006 ^[2], before declining to the lowest recorded rate of 3.2 per 100,000 in 2019. ^[2] The estimated age-standardised mortality rate for men and women in 2023 was 7.2 and 3.2 per 100,000 respectively. ^[2]

Age

There is an observable age gradient for melanoma incidence according to AIHW data:

• 7.9% of people diagnosed with melanoma are aged under 40 years;
• 10.1% are aged 40-49;
• 16.5% are aged 50-59;
• 23.9% are aged 60-69;
• 25.2% are aged 70-79; and
• 16.4% are aged 80 or older.^[2]

In 2019, the mean age for melanoma diagnosis was 66.1 years among men and 62.8 years among women.^[2]

Melanoma is the most common cancer diagnosed in young Australians aged 15-29 years, accounting for 15% of all cancers in this age group.^[2] However, as noted earlier, there has been a significant decline in melanoma rates among young Australians in recent decades. Research in Queensland suggests a decline in the incidence of thin invasive melanoma since the mid- to late 1990s among young people who have been exposed to Queensland’s primary prevention and early detection programs since birth.^[10] Nationally, age-standardised incidence rates (standardised to 2001 Australian Standard Population) for melanoma fell from 92.2 new cases per 1 million young Australians (aged 15-24) in 1984–1988 to 41.5 new cases per 1 million in 2014-2018.^[11]

In 1982, the risk of being diagnosed with melanoma by the age of 30 was 1 in 603 people. Incidence risk trended upwards and in 1997 had risen to 1 in 427 people, after which point, it began to decline. In 2019 the risk of being diagnosed with melanoma by the age of 30 (1 in 988 people) had fallen to less than half of the risk in 1997. It’s estimated that in 2023, the risk declined even further to 1 in 1,116 people.^[2]

Location

Australia’s high incidence of skin cancer is attributable to a combination of its predominantly fair-skinned population and high levels of ambient UV radiation due to proximity to the equator.^[12-13]

The International Agency for Research on Cancer (IARC) estimates that in 2020, Australia had the highest age-standardised melanoma incidence rate (36.6 per 100,000, standardised to World Standard Population) and the equal sixth highest mortality rate (2.4 per 100,000) of melanoma in the world.^[14] Melanoma incidence rates in Australia and New Zealand are around two to three times higher than those in Canada, the United States and the United Kingdom. Although mortality rates are quite low, in Australia and New Zealand they are still around 1.5 - 2.5 times those in Canada, the United States, and the United Kingdom.^[14]

Within Australia in 2019, people in Queensland faced the highest risk of developing melanoma, followed by Tasmania, Western Australia, New South Wales, Australian Capital Territory, Northern Territory, South Australia and Victoria.^[2]

During the period 2012-2016, those living in Inner regional areas had the highest age-standardised incidence rates for melanoma, with 62 cases per 100,000 people. The next highest rate was in Outer regional areas (57.3), followed by Remote (50.3), Major Cities (47.9) and Very Remote (33.9 cases per 100,000 people). During 2015 - 2019 mortality rates were highest in Inner Regional areas (5.8 deaths per 100,000) followed by Outer Regional (5.5), Remote (5.1) and Very Remote (34.9). Major Cities had the lowest mortality rate, with 4.4 deaths per 100,000 people.^[15]

^{Rates are age-standardised to the 2001 Australian Standard Population}

Socio-economic status

In 2012-2016 the melanoma incidence rate was highest among the highest socioeconomic group, and lowest among the lowest socioeconomic group. In 2015-2019 the mortality rate was highest in the lowest socioeconomic group, and lowest in the top two highest socioeconomic groups.^[15]

Indigenous status

In 2012-2016, the average number of annual melanoma cases was 30 for male Indigenous Australians, and 22 for female Indigenous Australians. In 2015-2019, the average number of deaths per year for male Indigenous Australians and female Indigenous Australians were 4 and 2, respectively.^[15]

In 2012–2016, the incidence of melanoma was 16.2 cases per 100,000 among Indigenous Australians, compared with 39.7 cases per 100,000 among non-Indigenous Australians.^[15] Mortality rates were also lower for Indigenous Australians (2.2 deaths per 100,000) compared with non-Indigenous Australians (5.1 deaths per 100,000).^[15]

^{Rates are age-standardised to the 2001 Australian Standard Population}

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Non-melanoma incidence and mortality

Although NMSC is the most common cancer type in Australia, it is often reported that breast cancer is the most common cancer in women and prostate cancer is the most common in men. That’s because most Australian cancer registries don’t routinely collect data for these more common forms of skin cancer – only the most serious, melanoma.^[15] NMSC are often self-detected and are usually removed in doctors’ surgeries, sometimes without histological confirmation due to destructive treatment techniques, or treatment with topical creams^[6] where tumour sites are only excised in post-treatment testing.

As the latest incidence data is estimated from self-reported, histologically confirmed (81.5%) and unconfirmed NMSC treated in 2002,^[6][16] Medicare service numbers are provided as a proxy measure below.

Table 3: Australian incidence and mortality of Non-Melanoma Skin Cancers

		Men	Women	Total
Incidence
Count	2022[3] (number of paid Medicare treatment services, not people*)	694,020	413,817	1,107,837
Age-standardised rate	2002[6] (estimated from survey)	2,051	1,436	1,719
Mortality
Count	2021[2]	514	251	765

^{* Medicare data for numbers of treatment services for NMSC in 2022 are available,[3] otherwise latest incidence data for NMSC is from 2002.[6]
Incidence rate is age-standardised to the 2001 Australian Standard Population, and is expressed per 100,000 population
NMSC mortality includes deaths from the common skin cancers (SCC & BCC) and deaths from rarer NMSCs.}

NMSC accounted for 1,107,837 paid Medicare services in 2022 as evaluated from data on NMSC excisions, curettage, laser, or liquid nitrogen cryotherapy treatments.^[3]

Findings from the annual BEACH surveys of general practice conducted from 2006 to 2016 showed that skin cancer predominated as the cancer most often managed (by way of medications, clinical and procedural treatments, ordering of pathology or imaging tests) in GP-patient encounters, and was consistently among the top ten conditions managed by GPs.^[17]

Despite the high incidence rate of NMSC, the age-standardised mortality rates are relatively low at 4.8 deaths per 100,000 population for males and 1.7 deaths per 100,000 for females in 2021.^[2]

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Economic impact

Skin cancer cost the Australian Health System more than $1.72 billion (including diagnosis, treatment and pathology) in 2019/20. $1.463 billion of this was attributed to NMSC and $259 million was attributed to melanoma.^[18]

It is the most expensive cancer type to treat, and overexposure to solar UVR is also estimated to account for the highest amount of spend on cancer that can be attributed to a risk factor, at 31%.^[19]

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Survival

In Australia, relative survival after diagnosis of melanoma of the skin is very high when compared with other types of cancer.^[2] The 5-year relative melanoma survival rate increased from 90% in the period 1990-1994 to 93.6% in 2015-2019^[2]

In the period 2015-2019^[2]:

• Five-year relative survival for melanoma was greater for women compared with men (95.4% compared with 92.4%).
• Five-year relative survival for rare types of NMSC was greater for women compared with men (72.5% compared with 69.9%)
• Melanoma survival was high for all age groups, gradually declining with age (97% or higher 5-year relative survival for those below 40 years as compared with 84% for those aged 80-85 years).

In 2011, survival varied considerably by stage at diagnosis. Five-year relative survival was almost 100% for melanoma diagnosed at Stage 1, but only 26% when diagnosed at Stage IV.^[2]

Australian survival rates from melanoma are generally higher than in other countries due to the high proportion of thin lesions, according to the Cancer Epidemiology Centre at Cancer Council Victoria. Survival rates are higher in countries where there is greater melanoma awareness due to earlier detection.^[20]

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_{Note: where available, rates which are age-standardised to the 2023 Australian population have been used. Where different standardisation methods have been applied, such as 2001 Australian Standard Population or World Standard Population, this has been noted. Rates which are age-standardised to different populations cannot be compared.}

Last modified: 20 October 2023

References

1.  Australian Bureau of Statistics. National Health Survey: First results Australia 2017-18. Canberra Australia: Australian Bureau of Statistics; 2018 Dec 12 [cited 2020 Apr 21]. Report No.: ABS Catalogue No. 4364.0.55.001. Available from: https://www.abs.gov.au/AUSSTATS/[email protected]/DetailsPage/4364.0.55.0012017-18?OpenDocument.
2. Australian Institute of Health and Welfare. Cancer data in Australia. [homepage on the internet] Canberra, Australia: AIHW; 2023 Aug 1 [cited 2023 Oct 4]. Available from: https://www.aihw.gov.au/reports/cancer/cancer-data-in-australia/contents/summary.
3. Services Australia. Medicare Item Reports. [homepage on the internet] Canberra Australia; 2023 [cited 2023 Mar 30]. Available from: http://medicarestatistics.humanservices.gov.au/statistics/mbs_item.jsp.
4. Olsen CM, Pandeya N, Green AC, Ragaini BS, Venn AJ, Whiteman DC. Keratinocyte cancer incidence in Australia: a review of population-based incidence trends and estimates of lifetime risk. Public Health Res Pract 2022 Mar 10;32(1) Available from: http://www.ncbi.nlm.nih.gov/pubmed/35290995.
5. Australian Bureau of Statistics. 3303.0 Causes of Death, Australia, 2021. [homepage on the internet] Canberra Australia: Australian Bureau of Statistics; 2022 Oct 19 [cited 2023 Jan 11]. Available from: https://www.abs.gov.au/statistics/health/causes-death/causes-death-australia/2021.
6. Staples MP, Elwood M, Burton RC, Williams JL, Marks R, Giles GG. Non-melanoma skin cancer in Australia: the 2002 national survey and trends since 1985. Med J Aust 2006 Jan 2;184(1):6-10 Available from: http://www.ncbi.nlm.nih.gov/pubmed/16398622.
7. Australian Institute of Health and Welfare. Skin cancer in Australia. Cat. no. CAN 96. Canberra, Australia: AIHW; 2016 [cited 2016 Oct 5] Available from: http://www.aihw.gov.au/publication-detail/?id=60129555786.
8. Olsen CM, Williams PF, Whiteman DC. Turning the tide? Changes in treatment rates for keratinocyte cancers in Australia 2000 through 2011. J Am Acad Dermatol 2014 Mar 28 Available from: http://www.ncbi.nlm.nih.gov/pubmed/24685358.
9. Tabbakh, T., et al., Implementation of the SunSmart program and population sun protection behaviour in Melbourne, Australia: Results from crosssectional summer surveys from 1987 to 2017. PLOS Medicine, 2019. 16(10). Available from: https://pubmed.ncbi.nlm.nih.gov/31593565/
10. Iannacone MR, Youlden DR, Baade PD, Aitken JF, Green AC. Melanoma incidence trends and survival in adolescents and young adults in Queensland, Australia. Int J Cancer 2014 May 8 Available from: http://www.ncbi.nlm.nih.gov/pubmed/24806428.
11. Australian Institute of Health and Welfare. Cancer in adolescents and young adults in Australia 2023. Canberra Australia: Australian Institute of Health and Welfare; 2023 Apr 18 [cited 2023 Oct 4]. Report No.: cat. no. CAN 151. Available from: https://www.aihw.gov.au/reports/cancer/cancer-adolescents-young-adults.
12. Gies, P., et al., Global Solar UV Index: Australian measurements, forecasts and comparison with the UK. Photochemistry and Photobiology, 2004. 79(1): p. 32-9. Available from: https://pubmed.ncbi.nlm.nih.gov/14974713/
13. Sinclair, C. and P. Foley, Skin cancer prevention in Australia. Br J Dermatol, 2009. 161 Suppl 3: p. 116-23.
14. Ferlay J, Ervik M, Lam F, Colombet M, Mery L, Piñeros M, et al. Global Cancer Observatory: Cancer Today. [homepage on the internet] Lyon, France: International Agency for Research on Cancer; 2020 [cited 2022 Jul 27]. Available from: https://gco.iarc.fr/today.
15. Australian Institute of Health and Welfare. Cancer in Australia 2021. [homepage on the internet] Canberra Australia: AIHW; 2021 Dec [cited 2022 Jan 31]. Available from: https://www.aihw.gov.au/reports/cancer/cancer-in-australia-2021/summary.
16. National Cancer Control Initiative. The 2002 national non-melanoma skin cancer survey. A report by the NCCI non-melanoma skin cancer working group. Melbourne, Australia; 2003.
17. Britt H, Miller GC, Bayram C, Henderson J, Valenti L, Harrison C, Pan Y, Charles J, Pollack AJ, Chambers T, Gordon J, Wong C.. A decade of Australian general practice activity 2006-07 to 2015-16. General practice series no.41. Sydney, Australia: Sydney University Press; 2016 [cited 2016 Oct 11] Available from: https://ses.library.usyd.edu.au/bitstream/2123/15482/5/9781743325162_ONLINE.pdf.
18. Australian Institute of Health and Welfare. Disease expenditure in Australia 2019-20. [homepage on the internet] Canberra Australia: AIHW; 2022 Dec 2 [cited 2022 Dec 2]. Available from: https://www.aihw.gov.au/reports/health-welfare-expenditure/disease-expenditure-in-australia-2019-20/data.
19. Australian Institute of Health and Welfare. Health system expenditure on cancer and other neoplasms in Australia 2015-16. Canberra Australia: AIHW; 2021. Report No.: Cancer series no. 131. Cat. no. CAN 142. Available from: https://www.aihw.gov.au/reports/cancer/health-system-expenditure-cancer-other-neoplasms/summary.
20. Thursfield V, Giles G. Canstat No. 44: Skin cancer. Melbourne, Australia: Cancer Council Victoria; 2007 Nov.