Welcome to the Cancer Incidence in Five Continents (CI5) Volume XII website. The main objective of the series, now in its 12th volume, is as an exposition of comparable cancer incidence data from all parts of the globe. CI5 is published approximately every five years by the International Agency for Research on Cancer (IARC) and the International Association of Cancer Registries (IACR). It compiles high-quality statistics on cancer incidence from population-based cancer registries around the world.

The CI5 editors have endeavoured to uphold the long-standing principles of meticulous review of data quality in compiling Volume XII, which contains information from 455 population-based cancer registries in 70 countries for cancers diagnosed from 2013 to 2017.

This website contains utilities that enable the comparison of cancer incidence and will be of interest to anyone who is interested in understanding the diverse profiles of cancer in different countries and regions of the world.

Reference to CI5 Vol. XII

Bray F, Colombet M, Aitken JF, Bardot A, Eser S, Galceran J, Hagenimana M, Matsuda T, Mery L, Piñeros M, Soerjomataram I, de Vries E, Wiggins C, Won Y-J, Znaor A, Ferlay J, editors (2023). Cancer Incidence in Five Continents, Vol. XII (IARC CancerBase No. 19). Lyon: International Agency for Research on Cancer. Available from: https://ci5.iarc.who.int, accessed [date].

The printed version of CI5 Volume XII (IARC Scientific Publication No. 169) is now available for download in PDF format from the IARC Publications website: https://publications.iarc.who.int. The seven chapters documenting the underlying processes, from the call for data to compilation, are available here.

Should you find any error, inconsistency, or imperfection, do not hesitate to contact us.

Cancer Surveillance Branch, IARC, December 2024.