What Are the Risks of Developing Breast Cancer?

Age (Years)

Risk (%) in 10 Years

Risk (%) in 20 Years

Risk (%) in 30 Years

30

0.5

2.0

4.3

40

1.6

3.9

7.1

50

2.4

5.7

9.1

60

3.5

7.2

9.2

70

4.1

6.4

80

3.0

Based on seer.cancer.gov. Accessed on July 31, 2023.