About half of all Danish cancer patients are 70 years or older at diagnosis. The incidence is expected to increase further over the coming years because of an increasing longevity. Therefore, this review recommends that the Danish health care system develops and implement models to ensure optimal care for older adults with cancer. We are still in need of knowledge about the optimal treatment, rehabilitation, palliation and care for older adults with cancer. We encourage the Danish health authorities to formulate a national strategy for this area.