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.
The Fed released household credit card debt data from the survey Sept. 4, 2014. The family unit. For 2013, the survey found that the average card debt was $5,700 for households that carry a balance --38 percent of all households. The family at the midpoint of the range had a balance of just $2,300, indicating that the average is skewed toward the high end by families that carry large balances.