The Canadian Cancer Society is urging provinces and territories to lower the start age for average-risk colorectal cancer screening from 50 to 45 due to rising incidence among people under 50 in Canada.

Advocates note that adults born after 1980 are about two-and-a-half times more likely to be diagnosed before 50 than earlier generations, and point to international examples (Australia, Japan, Taiwan, the United States) that have already moved to earlier screening.

Advocacy and medical leaders call for urgent government action and a comprehensive, adequately funded implementation of accessible screening programs.

Evidence linking earlier onset to screening timing is growing, with studies and experts supporting a policy shift and noting potential improvements in screening access for those without regular primary care.

Personal stories, like a 54-year-old patient diagnosed at stage 3 after a routine procedure, illustrate the lack of symptoms and the extensive treatment burden of late detection.

The broader goal is earlier cancer detection to improve survival and reduce treatment burdens, aligning with ongoing advocacy from cancer organizations.

Key actions proposed include investing in research, enhancing data, updating guidelines, expanding average-risk eligibility, increasing program capacity, raising awareness, and prioritizing underserved communities.

Analyses acknowledge higher costs from additional FIT tests and follow-up colonoscopies under a younger screening regime.

Personal testimony from Steve Slack of Bowmanville, diagnosed at 46 and later requiring liver transplant, underscores the urgency of earlier screening and timely diagnosis.

Slack’s experience—late diagnosis, emergency surgery, and now support-group involvement—highlights the ongoing threat of undetected cancer.

The Canadian Task Force on Preventive Health Care is set to relaunch in April 2026, and CCS urges it to review and update outdated screening recommendations in light of new evidence.

Advocacy groups cite growing evidence and modelling showing survival benefits of early detection and potential risk reduction for younger populations.