I = PAT that human population may stabilize at around 11.2 billion in 2100, the I=PAT equation will continue to be relevant for the increasing human impact on the environment in the short to mid-term future. Increased population increases humans' environmental impact in many ways, which include but are not limited to: The variable A, in the I=PAT equation stands for affluence. It represents the average consumption of each person in the population. As the consumption of each person increases, the total environmental impact increases as well. A common proxy for measuring consumption is through GDP per capita. While GDP per capita measures
Per capita personal income in the United States of the area. In computing per capita personal income, the United States Bureau of Economic Analysis (BEA) uses the United States Census Bureau's annual midyear population estimates. In 2018 the average per capita personal income in the United States was US$53,820. The average per worker income was $108,245. The median personal income was not available for 2018, but in 2016 the number was $31,099. Per capita personal income in the United States The per capita personal income of the United States is the income that is received by persons from all sources. It is calculated as the sum of wage