A U.S. couple is using a detailed spreadsheet to determine if they can afford to retire at ages 59 and 60.

Their situation highlights the tension between mathematical projections and the psychological certainty required to leave the workforce years before the national average. While data can suggest a path to early retirement, the transition requires aggressive saving and a high tolerance for market volatility.

The couple expressed uncertainty regarding their internal calculations. "Our retirement countdown says we’re ready at 59 and 60 — but how do we actually know?" the couple said.

Planning for retirement before the age of 60 is uncommon compared to broader national trends. Data from the Center for Retirement Research indicates that the average age of retirement in the U.S. is 65 for men and 63 for women [1]. By aiming for 59 and 60, the couple is attempting to retire several years earlier than the typical American worker.

Financial experts note that early retirement is possible but demands a specific strategy. Some individuals hope to retire earlier, but doing so requires saving and investing aggressively throughout a career to ensure financial preparation, a source said.

For those attempting to retire in their late 50s, the primary challenge is the gap between the retirement date and the age when they can access certain government or employer-sponsored benefits without penalty. This gap necessitates a larger personal nest egg to cover living expenses during the interim years.

Because the couple is relying on a spreadsheet, they are essentially betting on the accuracy of their projected expenses and the future rate of return on their investments. Small errors in these assumptions can lead to significant shortfalls over a retirement that could last three decades or more.

“"Our retirement countdown says we’re ready at 59 and 60 — but how do we actually know?"”

This case illustrates the 'sequence of returns' risk and the psychological hurdle of early retirement. While a spreadsheet provides a theoretical target, actual readiness depends on a combination of liquid assets, healthcare planning, and the ability to withstand market downturns without a steady salary, especially when retiring well before the U.S. average ages of 63 and 65.