Bladder cancer is very common, affecting about 10 000 people per year. The incidence of bladder cancer is about 3% of cancers of adult aged around 65 years. Although the disease affects both men and women, the frequency of bladder cancer is about 3 times more among men than among women. It is estimated that each year more than 50,000 men and 16.000 women are diagnosed with bladder cancer in the U.S.
Bladder cancer is increasing. According to the National Cancer Institute (NCI), it is estimated that 70,980 men and women (52,810 men and 18,170 women) were diagnosed with bladder cancer in 2009; about 14,330 people died of it.