In 1971 the middle class made up 61% of the population. By 2016 the number had declined to 52%. Of the 9% who left the middle class, 5% rose into the 'upper cla

In 1971 the middle class made up 61% of the population. By 2016 the number had declined to 52%. Of the 9% who left the middle class, 5% rose into the 'upper class', while 4% fell into the lower. https://www.pewresearch.org/fact-tank/2018/09/06/the-american-middle-class-is-stable-in-size-but-losing-ground-financially-to-upper-income-families/ https://www.pewresearch.org/fact-tank/2018/09/06/the-america...