If benefits are claimed at age 62 and invested through age 70, the early claimant can accumulate a meaningful pool of capital before the delayed claimant receives any benefits.
Using illustrative assumptions:
- Maximum benefit at age 62: $3,000 per month.
- After-tax benefit, assuming approximately 68.5% retained after federal tax (37%*0.85): about $2,055 per month.
- After-tax investment return: approximately 3.15% annually, equivalent to roughly 5% pre-tax for top-bracket taxable investors.
- Monthly compounding.
Under these assumptions, the cumulative value of invested benefits at age 70 is approximately $220,000. By contrast, the individual who delays claiming until age 70 has accumulated no Social Security benefits during this period. Importantly, the $220,000 represents liquid, investable capital, not an annuity equivalent, and therefore constitutes the initial advantage of the early-claiming strategy.
Even if the after-tax investment return is reduced to half the illustrative assumption, the cumulative value at age 70 remains approximately $210,000. At twice the assumed return, cumulative invested benefits rise to approximately $255,000. Over very long horizons, investment returns matter more, but the payoff profile is asymmetric: higher returns have a greater impact on outcomes than lower returns.
