Unsustainable Population Increase
Immigration into the United States fluctuated throughout the 20th century because of varying economic conditions. But the changes made by the Immigration Reform and Control Act of 1986 drastically increased the number of immigrants allowed into the United States. The chart below depicts the increase in population per decade during the 20th century with a brief description below of how immigration numbers affected the growth.
https://www.numbersusa.com/problems/unsustainable-population-increase
