Between the early 1990s and 2018, the number of new colorectal cancer cases in people under 50 in the U.S. rose by nearly 50%, from 8.6 to 12.9 cases per 100,000 people, and similar increases have been seen in other countries, suggesting a growing trend not explained by older populations.

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Evidence from Studies

Supporting (1)

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Community contributions welcome

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Colorectal Cancer in Younger Adults.

Narrative Review

Human

2022 Jun

This study shows that more young adults under 50 are getting colon cancer now than in the 1990s, even though older people are getting less of it — and we don’t fully know why. This means it’s a real and growing problem for younger people, not just something caused by people living longer.

Contradicting (0)

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No contradicting evidence found

Gold Standard Evidence Needed

According to GRADE and EBM methodology, here is what ideal scientific evidence would look like to definitively prove or disprove this specific claim, ordered from strongest to weakest evidence.

Source Study

Colorectal Cancer in Younger Adults.

Score: 2

DOI: 10.1016/j.hoc.2022.02.005

Similar Assertions

Since 2013, the number of new colorectal cancer cases per year has risen by 3% each year among U.S. adults aged 20 to 49, while cases have decreased in older adults.

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93%

Over the last 20 years, the number of new cases of colorectal cancer in people under 50 has roughly doubled compared to earlier rates.

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91%

Between 1990 and 2021, the number of new cases of colorectal cancer in people under age 45 in the United States rose by 34%, from 32.9 to 43.9 cases per 100,000 people.

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90%

Since 2004, the number of deaths from colorectal cancer has risen by 1% each year among people under 50 in the United States, even as deaths from this cancer have decreased in older adults. This suggests that more younger people are being diagnosed and dying from the disease.

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90%

From 1990 to 2021, the number of colorectal cancer cases in people aged 40 to 44 rose by 59%, and the rate adjusted for population age increased by 37%, showing that this age group experienced the fastest growth in cases among young adults.

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90%