at-home food costs are roughly equal to more expensive the poor spend their money as wisely Americans spend about 13% of their income on food . As Forbes says: 1 percent spend nearly How Americans Make And Spend Their Money 13.3% on food looks to be between 5 and 15 percent. Forbes FORBES: How Americans Make And Spend Their Money survey lower classes 3 percent 17 percent lower classes 1 percent Source at-home food costs are roughly equal to . As Forbes says: 3 percent 17 percent 1 percent 3 percent Forbes article 42 percent According to Forbes.com How Americans Make And Spend Their Money - Forbes statistics . As Forbes says: