(d) In what one-year period did the median household income increase the most? The greatest increase in a one-year period was from the year to . The graph below shows the median income of households in the United States from 2011 to 2021. A household income (or family income) is the total income of all people living in the household. The median household income in the U.S. in a given year is the middle household income when all household incomes in that year are sorted from lowest to highest. Line graph titled Median Household Income (2021 Dollars). X-axis is Years ranged from 2010 to 2022 in increments of 2. Y-axis is Average Household Income ranged from $60,000 to $74,000 in increments of $2,000. At 2011, income is around $60,000. At 2012, income is around $60,500. At 2013, income is around $62,500. At 2014, income is around $62,000. At 2015, income is around $65,000. At 2016, income is around $67,000. At 2017, income is around $68,000. At 2018, income is just over $68,000. At 2019, income is around $73,000. At 2020, income is just under $72,000. At 2021, income is about $71,000. (c) Estimate the median household income in: 2020