Probability of Developing Cancer in Your Lifetime
1 in 2.5 (39.5%)
Lifetime probability in US
Approximately 39.5% of Americans will be diagnosed with cancer at some point in their lifetime, based on SEER data.
According to the National Cancer Institute's SEER (Surveillance, Epidemiology, and End Results) program, approximately 39.5% of men and women will be diagnosed with cancer at some point during their lifetime. This statistic is based on data collected from 2018-2020.
Cancer risk varies significantly by type, age, sex, race, and lifestyle factors. The most common cancers in the US are breast cancer (in women), prostate cancer (in men), lung cancer, and colorectal cancer. Age is the single biggest risk factor, with the majority of cancers diagnosed in people over 65.
While the overall cancer incidence remains high, survival rates have improved dramatically over the past several decades. The overall 5-year relative survival rate for all cancers combined is now approximately 68%. Early detection through recommended screenings, avoiding tobacco, maintaining a healthy weight, and limiting alcohol consumption are the most effective ways to reduce cancer risk.
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