Worldwide, cervical cancer is both the fourth most common cause of cancer and the fourth most common cause of death from cancer in women. In 2012, it was estimated that there were 528,000 cases of cervical cancer, and 266,000 deaths. This is about 8% of the total cases and total deaths from cancer. Approximately 70% of cervical cancers occur in developing countries. In low income countries it is the most common cause of cancer death. In developed countries, the widespread use of cervical screening programs has dramatically reduced rates of cervical cancer.