The Who, What, Where, When and Sometimes, Why.

Being Born Female

Being born female is the main risk factor for breast cancer.

Although men can get breast cancer, it’s about 100 times more common in women [657]. Men don’t have the same complex breast growth and development as women.

In 2018 (most recent data available) [657]:



Incidence (new cases)

129.3 per 100,000

1.3 per 100,000

Learn more about breast cancer in men.

Updated 08/19/21


Give for Metastatic Breast Cancer Research

Donate Now