So far, the Americans do not massively withdraw money from banks. Why do they, in general, have to do it? For example, because the deposit rate - it is something about 0% - on AMarkets materials.
Zerohedge experts have suggested that if the Americans want to withdraw all their savings from the accounts, it will be something between $ 2.5 trillion (the reserves) and $ 4.5 trillion (the entire balance account of the Federal Reserve). Now banknotes circulating in free circulation and coins worth about $ 1.5 trillion. In 2014 money worth $ 149 billion were printed this way, if US citizens suddenly suddenly all at once rush to withdraw money from the accounts -. Not enough at all "pieces of paper". And the Treasury will need about 20 years to print the required amount of cash. Here is a fun arithmetic.
Schedule - cash circulating in the economy. From left to right - the size of the account balance of a Central Bank, the amount of general reserves, cash in free circulation, the indicator "balance account / cash free float".