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US National Debt Figure

$ 21,346,484,834,093

Due to the high volume of new debt being irregularly added, this clock is regularly adjusted. Last adjustment 24th of July 2018

Source: USA Gov. Includes Intragovernmental Holdings and allowance of one day delay in banks reporting to treasury

Interest per Year


Interest per Second


Debt per Citizen


Debt as % of GDP






Over 90% of our data is directly obtained from official government agencies and central banks. When this is not possible, we use data from:-

This raw data is then processed through our algorithms which use, amongst other variables, the average 10 year interest rate paid on the debt to accurately calculate the current debt amount at the time you are viewing the debt clock. We believe our calculations are correct working from the data that we have collected.

We update our exchange rates hourly using data from the European Central Bank.

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