In 2007,breast cancer was the second main cause of cancer death for white women aged 45-64 years and the main cause of cancer death for black women aged 45-64 years. From 1990 to 2007, the breast cancer death rate in this age group declined by 41% for white women and 24% for black women, or increasing the disparity between the two groups. In 2007,the breast cancer death rate for women aged 45-64 years was 60% higher for black women than white women (56.8 and 35.6 deaths per 100000, respectively).
Source: cdc.gov