CI5: Cancer incidence in five continents

Cancer Incidence in Five Continents (CI5) is the result of a long collaboration between the International Agency for Research on Cancer and the International Association of Cancer Registries. The series of monographs, published every five years, has become the reference source of data on the international incidence of cancer. The CI5 databases provide access to detailed information on the incidence of cancer recorded by cancer registries (regional or national) worldwide. Read more here.