Statistics of death at:
http://www.disastercenter.com/cdc/
"Heart failure and Malignant neoplasms cause over half of all deaths of people over 45. Accidents and adverse effects resulting from the accidents is the leading cause of death for people under 45 to 1 year of age. Of all the causes of death due to accidents, the leading cause is motor vehicle accidents."
Also interesting is:
http://www.infoplease.com/ipa/A0004395.html Pitty the UK as it looks like their population isn't replacing itself!