21st Century Retirement Act

[AI summary unavailable — showing source text] 21st Century Retirement Act - Amends title II (Old Age, Survivors and Disability Insurance) (OASDI) of the Social Security Act (SSA) to: (1) add a new part B (Individual Security Accounts); and (2) redesignate the current OASDI program under such title as a new part A (Insurance Benefits). Requires the Commissioner of Social Security (Commissioner) to establish an individual security account (ISA) for each individual who is either employed or self-employed and who was born after December 31, 1944 (eligible individual). Identifies the eligible individual's ISA via the individual's social security number. Requires each eligible individual (or, if need be, the Commissioner) to designate the investment type of ISA to which the Commissioner shall credit the contributions transferred by the Secretary of the Treasury from the Federal Old-Age and Survivors Insurance Trust Fund (Trust Fund) that result from the reduced Federal Insurance Contributions Act (FICA) tax rates (as provided for in this Act), as well as other specified contributions involving certain tax overpayments treated as contributions and certain rollovers (as provided in this Act). Requires investment of an ISA in a manner …