Retirement wealth has grown nearly twice as fast as income: Assets in retirement plans as a percent of personal disposable income by type, 1989–2016

Year Traditional defined benefit pensions 401(k)-style defined contribution plans and IRAs
1989 72% 31%
1990 72% 32%
1991 74% 37%
1992 76% 38%
1993 77% 42%
1994 77% 43%
1995 78% 50%
1996 78% 57%
1997 77% 64%
1998 77% 72%
1999 78% 81%
2000 77% 75%
2001 78% 68%
2002 79% 61%
2003 79% 70%
2004 81% 74%
2005 82% 76%
2006 81% 83%
2007 81% 87%
2008 81% 63%
2009 84% 78%
2010 89% 85%
2011 88% 82%
2012 87% 87%
2013 90% 102%
2014 88% 103%
2015 87% 98%
2016 87% 102%

Source: EPI analysis of Federal Reserve Financial Accounts of the United States (December 2017 release).

View the underlying data on epi.org.