It is estimated that at least 120 million copies of McGuffey's Readers were sold between 1836 and 1960, placing its sales in a category with the Bible and Webster's Dictionary. Since 1961, they have continued to sell at a rate of some 30,000 copies a year.
Our researchers found the median debt per American household to be $2,300, while the average debt stands at $5,700. Combined data from the U.S. Census Bureau and the Federal Reserve allowed us to dive deeper into credit card debt in the United States, and look beyond the face value of those two figures.
According to data from the U.S. Census Bureau and the Federal Reserve, American households owe on average a staggering $16,425 in credit card debt, and that amount has risen 10 percent since 2013. Collectively, we owe nearly $1 trillion in credit card debt, on which we pay an average interest rate of 18.76 percent, or about $1,292 per household each year.