A7a Invasive breast cancer incidence

Table A7.1: Incidence of invasive breast cancer in women, by age group, 2021

Age group (years)

New cases

Crude rate

40–44

1,085

129.4

45–49

1,699

204.1

50–54

2,119

259.2

55–59

2,033

258.0

60–64

2,392

317.2

65–69

2,468

372.4

70–74

2,528

427.0

75–79

1,396

332.9

80–84

1,139

385.5

85+

1,024

314.7

50–74

11,540

319.3

All ages

18,853

145.7

Notes:

  1. ‘Crude rate’ is the number of new cases of breast cancer per 100,000 women.
  2. ‘All ages’ includes age groups from <20 to 85+.

Source: AIHW Australian Cancer Database 2021.

Table A7.2: Incidence of invasive breast cancer in women, by age group and histology type, 2021

Type of breast cancer

40–49

50–59

60–69

70+

1: Carcinomas

2,770

4,133

4,830

5,927

1.1: Ductal carcinomas

2,455

3,570

4,044

4,778

1.2: Lobular carcinomas

284

518

668

927

1.3: Papillary carcinomas

9

17

67

126

1.4: Salivary gland-type carcinomas

3

2

10

7

1.5: Neuroendocrine neoplasms

2

2

3

3

1.6: Epithelial-myoepithelial carcinomas

0

0

0

1

1.7: Unclassifiable carcinomas

17

24

38

85

2: Sarcomas

1

3

4

12

3: Other cancers

10

8

5

10

4: Unclassifiable cancers

3

8

21

138

Total

2,784

4,152

4,860

6,087

Source: AIHW Australian Cancer Database 2021.

Table A7.3: Incidence of invasive breast cancer in women aged 50–74, by state and territory, 2017–2021

State and territory

New cases

AS rate

NSW

17,746

314.1

Vic

14,053

315.8

Qld

11,456

317.6

WA

5,563

305.7

SA

4,535

328.7

Tas

1,398

304.1

ACT

943

351.0

NT

334

255.9

Australia

56,040

315.4

Note: ‘Age‑standardised (AS) rate’ is the number of new cases of breast cancers per 100,000 women, age‑standardised to the Australian population at 30 June 2001.

Source: AIHW Australian Cancer Database 2021.

Table A7.4: Incidence of invasive breast cancer in women aged 50–74, by remoteness area, 2017–2021

Remoteness area

New cases

AS rate

Major cities

37,746

316.5

Inner regional

12,009

313.6

Outer regional

5,260

306.9

Remote

570

275.7

Very remote

253

257.3

Australia

56,040

315.4

Notes:

  1. Remoteness was classified according to the Australian Statistical Geography Standard (ASGS) see (Appendix B).
  2. ‘Australia’ does not match the total, because some women were not allocated to a remoteness area.
  3. ‘Age‑standardised (AS) rate’ is the number of new cases of breast cancers per 100,000 women age‑standardised to the Australian population at 30 June 2001.

Source: AIHW Australian Cancer Database 2021.

Table A7.5: Incidence of invasive breast cancer in women aged 50–74, by socioeconomic area, 2017–2021

Socioeconomic area

New cases

AS rate

1 (most disadvantaged)

10,572

299.2

2

11,108

301.1

3

11,458

315.0

4

10,942

319.3

5 (least disadvantaged)

11,742

336.0

Australia

56,040

315.4

Notes:

  1. Socioeconomic area was allocated using the ABS Index of Relative Socio‑economic Disadvantage (IRSD) see (Appendix B).
  2. ‘Australia’ does not match the total because some women were not allocated to a socioeconomic area.
  3. ‘Age‑standardised (AS) rate’ is the number of new cases of breast cancers per 100,000 women, age‑standardised to the Australian population at 30 June 2001.

Source: AIHW Australian Cancer Database 2021.

Table A7.6: Incidence of invasive breast cancer in women, 1982 to 2021 (with estimates to 2025)

Year of diagnosis

50–74 new cases

All ages new cases

50–74 AS rate

All ages AS rate

1982

2,985

5,327

182.6

81.3

1983

2,935

5,391

178.5

81.1

1984

3,195

5,732

191.4

83.9

1985

3,230

5,944

190.4

84.8

1986

3,336

6,101

196.1

85.4

1987

3,543

6,733

204.3

91.8

1988

3,595

6,756

204.8

89.9

1989

3,864

7,210

218.4

94.0

1990

3,936

7,465

220.8

95.4

1991

4,321

8,062

238.8

100.6

1992

4,197

8,048

229.5

98.5

1993

4,793

8,807

258.6

105.7

1994

5,508

9,785

290.3

114.9

1995

5,615

10,111

293.3

116.8

1996

5,387

9,775

275.8

110.1

1997

5,718

10,223

284.9

112.3

1998

6,088

10,772

295.9

115.6

1999

6,133

10,703

291.0

112.4

2000

6,584

11,433

304.4

117.2

2001

6,922

11,865

311.8

118.7

2002

7,025

12,115

308.4

118.6

2003

6,743

11,895

288.4

113.8

2004

7,072

12,239

295.7

114.8

2005

6,948

12,297

283.0

113.0

2006

7,412

12,739

293.8

114.6

2007

7,328

12,675

282.0

111.3

2008

8,017

13,692

299.7

117.6

2009

8,149

13,808

295.3

115.7

2010

8,650

14,426

304.4

118.3

2011

8,659

14,575

296.3

116.9

2012

9,143

15,355

304.1

120.8

2013

9,809

16,420

317.9

126.7

2014

10,410

16,960

328.9

127.9

2015

10,524

16,982

323.9

125.4

2016

10,765

17,427

324.8

126.3

2017

10,876

17,735

321.0

125.8

2018

11,221

18,243

323.1

126.4

2019

11,468

18,517

323.5

125.7

2020

10,935

18,027

299.3

119.5

2021

11,540

18,853

311.0

123.1

2022

11,635

19,109

309.9

122.4

2023

11,730

19,440

308.2

122.1

2024

11,822

19,795

306.6

121.7

2025

11,900

20,129

307.8

122.3

Notes:

  1. ‘Age‑standardised (AS) rate’ is the number of new cases of breast cancer per 100,000 women, age‑standardised to the Australian population at 30 June 2001.
  2. Estimated incidence data for 2022–2025 are based on 2012–2021 incidence data. Actual incidence data for 2022–2025 may differ from estimated data due to current and ongoing program or practice changes.

Source: AIHW Australian Cancer Database 2021.

Table A7.7: Five‑year relative survival from breast cancer in females, by age group, 2017–2021

Age group (years)

5‑year relative survival (%)

<20

n.p.

20–24

89.4

25–29

90.7

30–34

90.2

35–39

91.5

40–44

93.6

45–49

94.8

50–54

94.4

55–59

94.1

60–64

94.4

65–69

94.6

70–74

94.1

75+

85.1

50–74

94.3

All ages

92.7

n.p. = not published

Note: Relative survival was calculated with the period method, using the period 2017–2021 (Brenner & Gefeller 1996).

Source: AIHW Australian Cancer Database 2021.

Table A7.8: Trend in 5‑year relative survival from breast cancer in women aged 50–74, 1987–1991 to 2017–2021

Year

5‑year relative survival (%)

1987–1991

75.1

1992–1996

82.3

1997–2001

87.8

2002–2006

90.4

2007–2011

91.6

2012–2016

93.1

2017–2021

94.3

Note: Relative survival was calculated with the period method, using the period 2017–2021 (Brenner & Gefeller 1996).

Source: AIHW Australian Cancer Database 2021.

Table A7.9: Relative survival at diagnosis and 5‑year conditional relative survival from breast cancer in women aged 50–74, 2017–2021

Years after diagnosis

Relative survival (%)

Years already survived

5‑year conditional relative survival (%)

1

98.8

. .

. .

2

97.7

. .

. .

3

96.5

. .

. .

4

95.4

. .

. .

5

94.3

0

94.3

6

93.4

1

94.5

7

92.5

2

94.7

8

91.7

3

95.1

9

91.0

4

95.4

10

90.3

5

95.8

11

89.6

6

95.9

12

89.0

7

96.2

13

88.2

8

96.2

14

87.6

9

96.2

15

86.9

10

96.2

16

86.2

11

96.2

17

85.3

12

95.9

18

84.5

13

95.8

19

83.8

14

95.6

20

82.9

15

95.5

Note: Relative survival was calculated with the period method, using the period 2017–2021 (Brenner & Gefeller 1996).

Source: AIHW Australian Cancer Database 2021.

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