The policy is aimed at narrowing the wealth gap, which has grown dramatically in the past 50 years, according to the lawmakers.
The idea of baby bonds is getting traction in some states.
Baby bond legislation has passed in California, Connecticut and Washington, D.C. Another eight states have introduced legislation, according to the Urban Institute, including Iowa, New Jersey, New York, Wisconsin, Washington, Delaware, Nevada and Massachusetts.
A national policy may reduce the wealthy disparity between young white and Black Americans to a ratio of 1 to 4, according to the research.
Estimates have found young white Americans have 16 times the wealth of young Black Americans, based on median incomes.