On February 4, the world observes World Cancer Day, a day set aside to promote cancer awareness and the prevention, identification, and treatment of the disease. The Union for International Cancer Control spearheads World Cancer Day to support the objectives of the 2008 World Cancer Declaration.

The purpose is to educate and inspire people about early detection, prevention, and treatment.

The "Close the Care Gap" campaign, whose second-year theme is "Close the Care Gap," aims to raise awareness of the disparities in cancer care and encourage action to advance their redress.