In 2013, an estimated 232,340 new cases of invasive breast cancer were expected to be diagnosed among US women, as well as an estimated 64,640 additional cases of in situ breast cancer.

That year, approximately 39,620 US women were expected to die from breast cancer. Only lung cancer accounts for more cancer deaths in women.

Breast cancer incidence rates are highest in non-Hispanic white women, followed by African American women and are lowest among Asian/Pacific Islander women. In contrast, breast cancer death rates are highest for African American women, followed by non-Hispanic white women. Breast cancer death rates are lowest for Asian/Pacific Islander women. Breast cancer incidence and death rates also vary by state.