The National Cancer Institute of Kenya (NCI-K) has identified the "Big Five" cancers – breast, cervical, prostate, oesophageal, and colorectal – as the leading causes of cancer-related deaths in Kenya. These five types account for 52% of new cancer cases annually, with 42,116 total new cases reported each year and 27,092 cancer deaths recorded since 2020.

• The Chair of NCI-K, Timothy Olweny, emphasized prevention, early detection, diagnosis, treatment, and palliative care as crucial to combating the growing menace on Wednesday, July 29.
• Breast cancer records 6,799 to 7,243 new cases annually, making it the leading cancer among women; cervical cancer records 5,236 to 5,250 new cases annually and is the leading cause of cancer deaths in women.
• Prostate cancer records 2,800 to 3,412 new cases annually, making it the most common cancer among men; oesophageal cancer records 3,000 to 4,300 new cases annually, and colorectal cancer records 1,354 to 1,900 new cases annually.