Most countries, through their Central Bank or Monetary Authority, Statistical Bureaus or Payments Associations publish a range of payments data.
One of the more widely available data sets is Currency in Circulation (the country’s monetary base) and a key component of all Monetary Aggregates.
Perhaps one of the blond group‘s most often referenced charts is our plotting of changes in cash in circulation (on issue) in a range of selected currencies. We calculate and plot the monthly percentage change in currency in circulation from a fixed start point (in this example where the base in January 2010 is 100%. Over time you can see how the values have increased (or in a few cases declined. For example U.S. Doillars in circulation have grown from 864 billion in January 2010 to 1720 billion in January 2020 , so on the chart from 100% to nearly 200%, a doubling in 10 years.