Pew Research: The Rising Age Gap in Economic Well-Being

"In 2009, the median net worth (all assets minus all debts) of households headed by an adult ages 65 or older was 42% more than that of their same-aged counterparts in 1984. By contrast, the net worth of a typical household headed by an adult under the age of 35 in 2009 was 68% less than that of their same-aged counterparts in 1984. "