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US faces one of biggest budget crunches in world – IMF
...But the really interesting stuff is the detail, and what leaps out again and again is how much of a hill the US has to climb. Exhibit a is the fact that under the Obama administration’s current fiscal plans, the national debt in the US (on a gross basis) will climb to above 100pc of GDP by 2015 – a far steeper increase than almost any other country....

...But level of debt isn’t the only problem. Then there’s the fact that the US has a far shorter maturity of government debt than most other countries, meaning that even if it weren’t borrowing any extra cash it would have to issue a large chunk of new stuff each year as things are. The killer table to show you that is this one, which shows a country’s “gross financing needs” – in other words how much debt it has to issue in the coming years to keep itself functioning....

...What does this mean? Basically with a large financing need, you are particularly vulnerable if the market suddenly decides it doesn’t want your debt, since those extra interest rates they charge you mount much more quickly. ...