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CI5 - Cancer Incidence in Five Continents

Cancer Incidence in Five Continents – Volume XII:

Status as of 15 June 2022

A brief update on the status of Volume XII of Cancer Incidence in Five Continents (CI5-XII):  

We have now completed the data submission round, after having incurred some delays related in part to the pandemic’s impact on registry operations, as well as additional administrative formalities resulting from observing national data protection requirements. The CI5-XII Editorial Board[1]  is now commencing with the careful evaluation of individual datasets from around 600 cancer registries in over 100 countries worldwide.

The overarching aim, as with every volume, is to ensure the published incidence data are sufficiently comparable, complete, and accurate to be a source of reference for studies on international variations in cancer risk. The Editorial Board will be corresponding directly with the registries with regards its decision from now and through the months of Autumn 2022.

We intend to publish CI5-XII in Spring 2023, alongside a rejuvenated IACR website which will include a dedicated registry directory and tools for the analysis of the individual registry datasets accepted in CI5; regular calls for aggregated data thereafter will ensure the included registry data are timely, irrespective of the CI5 process.

[1] CI5-XII Editorial Board: Freddie Bray, Murielle Colombet, Joanne Aitken, Aude Bardot, Sultan Eser, Jaume Galceran, Marc Hagenimana, Tomohiro Matsuda, Les Mery, Marion Piñeros, Isabelle Soerjomataram, Esther de Vries, Charles Wiggins, Young-Joo Won, Ariana Znaor, and Jacques Ferlay

CI5 Volume XII Call for Data

(new submissions now closed) 


The new Cancer Incidence in Five Continents Volume XII will include incident cancers for the period 2013-2017 and the Call for Data document (available for download in English, French and Spanish below) provides detailed instructions on the content and process of the submission. 

Deadline for submission (final extension):  31 May 2022

 Cancer Incidence in Five Continents: Earlier Editions


  • CI5 XI (Cancer Incidence in Five Continents Volume XI) contains information from 343 cancer registries in 65 countries about cancers diagnosed from 2008 to 2012. This website contains several utilities enabling the comparison of cancer rates across diverse populations and will be of interest to all those interested in understanding the burden of cancer in different regions of the world. The editors of Volume XI hope it will be of value to anyone wishing to build up knowledge about the causes of the disease and how to control it.  CI5-XI is now available in PDF format here:  IARC Scientific Publication No. 166
  • CI5PLUS (Cancer Incidence in Five Continents Time Trends). The CI5plus database contains updated annual incidence rates for 118 selected populations from 102 cancer registries published in CI5, for the longest period available (up to 2007), for all cancers and 27 major types (see the Cancer dictionary menu option). In addition, groups of cancer registries in the same country have been added (see the Cancer registry list menu option). CI5plus can be used for time trends analyses, but differences over time in registration practices and coding make it necessary to interpret trends with caution.
  • CI5 I-X (Cancer Incidence in Five Continents Volumes I to X). The material accessible through this application contains the basic data published in the ten volumes of CI5. In order to present this data within the same application, a common Cancer dictionary has been defined, so that some cancer sites are not available for all registries.



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