Percentage of U.S. apartments under construction that are unaffordable for those making less than $75,000 a year : 83

Percentage change since 2006 in the number of U.S. cities that have banned living in vehicles : +143

Portion of Americans aged 18 to 34 who live with their parents or other family members : 2/5

Estimated portion of Americans born in 1980 who will go on to earn more than their parents did : 1/2

Of those born in 1940 who did : 9/10

Number of the ten leading causes of death in the United States whose fatality…