Question

Since the 1980s the proportion of income received by the top (richest) 5 percent of Americans has ____, and the measured income of Americans in the lowest (poorest) fifth has ____.

Answer 1

Since 1980s, the proportion of the income of the top 5% of the richest Americans has risen and the proportion of income of the lowest fifth or the poorest Americans has fallen.

Step-by-step explanation:

According to the source, the U.S. Census Bureau, the Aggregate Income received by each fifth and top 5% of households was tabulated and it was found that the proportion of the income of the top 5% of the richest Americans has risen, whereas the proportion of income of the lowest fifth or the poorest Americans has fallen, since the 1980s.