Social Security celebrates its 80th birthday on Friday. Whether you're celebrating or lamenting the milestone, here are eight graphs on the country's biggest entitlement program. Federal budget ...

Re "Bush's Budget Opts for Debt to Fund War," Feb. 5: Your graph showed 66 cents of each dollar going to human services such as Social Security.

Social Security would be able to pay out only 77% in benefits starting in 2033, ... The program tapped the surplus, which ended last year at $2.830 trillion, down from $2.852 trillion.