They seem to have less than $3T [1]. $4.8T seems to be the right figure for intra-governmental debt, which is probably the right thing to be subracting out any

They seem to have less than $3T [1]. $4.8T seems to be the right figure for intra-governmental debt, which is probably the right thing to be subracting out anyway. Thanks for educating me about this! [1] - http://www.ssa.gov/oact/progdata/assets.html http://www.ssa.gov/oact/progdata/assets.html