Colorectal Cancer Risk by Age

The risk of getting colorectal cancer increases with age and is greater in men than in women. The tables below show the percentage of men or women (how many out of 100) who will get colorectal cancer over different time periods. The time periods are based on the person's current age.

For example, go to the men's current age 60. The table shows 1.46% of men who are now 60 years old will get colorectal cancer sometime during the next 10 years. That is, 1 or 2 out of every 100 men who are 60 years old today will get colorectal cancer by the age of 70.

**Percent of U.S. Men Who Develop Colorectal Cancer over 10-, 20-, and 30-Year Intervals According to Their Current Age, 2005–2007^†**
Current Age	10 Years	20 Years	30 Years
30	0.06	0.30	0.96
40	0.24	0.91	2.21
50	0.70	2.04	3.86
60	1.46	3.43	4.79
70	2.34	3.96	N/A

**Percent of U.S. Women Who Develop Colorectal Cancer over 10-, 20-, and 30-Year Intervals According to Their Current Age, 2005–2007^†**
Current Age	10 Years	20 Years	30 Years
30	0.06	0.27	0.78
40	0.21	0.72	1.70
50	0.53	1.53	3.04
60	1.05	2.64	4.12
70	1.78	3.44	N/A

^†Source: Altekruse SF, Kosary CL, Krapcho M, Neyman N, Aminou R, Waldron W, Ruhl J, Howlader N, Tatalovich Z, Cho H, Mariotto A, Eisner MP, Lewis DR, Cronin K, Chen HS, Feuer EJ, Stinchcomb DG, Edwards BK (eds). SEER Cancer Statistics Review, 1975–2007, National Cancer Institute. Bethesda, MD, based on November 2009 SEER data submission, posted to the SEER Web site, 2010.

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