Cancer is a leading cause of death worldwide. The disease accounted for 7.4 million deaths
(or around 13% of all deaths worldwide) in 2004. The main types of cancer leading to overall cancer mortality each year are:
lung (1.3 million deaths/year)
stomach (803 000 deaths)
colorectal (639 000 deaths)
liver (610 000 deaths)
Breast (519 000 deaths)
More than 70% of all cancer deaths occurred in low- and middle-income countries.
Deaths from cancer worldwide are projected to continue rising, with an estimated 12 million deaths in 2030.
The most frequent types of cancer worldwide (in order of the number of global deaths) are:
Among men - lung, stomach, liver, colorectal, oesophagus and prostate
Among women - breast, lung, stomach, colorectal and cervical.