What is the leading cause of death in old people (geriatrics) in the US?

Question

Hi, I am having my research on geriatrics, can you please help me on what site can i find statistical data about geriatrics. Like percentage of old people in a certain country, cause of death etc. please help!

Answer 1

http://www.benbest.com/lifeext/causes.ht...

Answer 2

http://findarticles.com/p/articles/mi_m3...

http://www.medscape.com/viewarticle/5778...