LYON, FranceA study from the International Agency for Research on
Cancer (IARC) shows a higher cancer prevalence in the developed world,
primarily because of longer life expectancy in richer countries (Int J Cancer
The study examined the prevalence of 25 adult cancers for 11 world areas
using data from IARC for developing countries, US SEER, and EUROCARE I. The
study described the number of cancer cases diagnosed between 1986 and 1990
among individuals aged 15 or older who were still alive at the end of 1990.
Lead author Paola Pisani, reported the highest cancer prevalence in North
America at 1.5%. Western Europe and Australia/New Zealand had a prevalence of
1.2% and 1.1%, respectively, followed by Japan at 1%, Eastern Europe at 0.7%,
and Latin American and the Caribbean at 0.4%. The lowest prevalence (0.2%) was
found in sub-Saharan Africa, the Middle East and Northern Africa, and
Southeastern and South Central Asia.