Original: The lifetime risk for breast cancer in the United States is usually given as about 1 in 8 (12%) of women by age 95, with a 1 in 35 (3%) chance of dying from breast cancer.
Simplified: In 2007, breast cancer caused about 40,910 deaths (7% of cancer deaths; almost 2% of all deaths) in the U.S. Women in the United States have a 1 in 8 chance of getting breast cancer in their lives. They have a 1 in 33 chance of death from breast cancer.