Between 1979 and 2014, the percentage of poor Americans dropped from 24 to 20, the percentage in the lower middle class dropped from 24 to 17, and the percentage in the middle class shrank from 32 to 30. Where did they go? Many ended up in the upper middle class ($100,000–$350,000), which grew from 13 to 30 percent of the population, and in the upper class, which grew from 0.1 percent to 2 percent.
