Schlesinger, page 113. See Rothbard, page 86. See Batra, page 125. It depends on whose numbers you accept. I've seen claims ranging from 21 percent to 47.5 percent.
Many analysts exclude, from family wealth, things like cars, home equity, and private pensions.
They also exclude the net present value of expected social security, medicare, food stamps, welfare payments, and other entitlements. If you count all these assets and benefits, the share of wealth held by the richest 1 percent of families may presently be as little as half its value in 1929. See, for example, the book by Cox and Elm. See also the following special publications and news articles. A Study of the Increasing Inequality of Wealth in America.