The balances in defined contribution plans, such as 401(k)s, in which retirement savings accumulate in an account, are typically simpler to measure. By  10  This statistic and the rest in this subsection are from the 2018 SHED and are only for middle-income adults. The SHED collects ranges of family income, not a dollar amount.
Oil Price Real base = January 1970 $  $ Nominal  40  40  30  30  20  20  10  10 Real  0  1974  1979  1984  1989  1994  1999  0 2004  However, given the extent of Chinese and Asian demand generally, and their likely trend growth in the future, it seems entirely possible that the level of real oil prices of the 1990s will turn out to have been on the low side of what could be the norm in the future.