The 2% (!?) Rule for Retirement Spending (EP.229)

Episode Summary

Executive Summary: Episode 229 centered on a critique of the 4% retirement withdrawal rule, arguing that a broader historical sample and bias-adjusted data imply a much lower safe rate—about 2.26% for a 65-year-old couple. The hosts also discussed the exceptional, partly lucky U.S. market experience, challenges for young people, a 60-second review of Larry Swedroe, and a book review of The Elements of Choice about how defaults and context shape decisions.

Main Topics: The 2.26% safe withdrawal rate (Priority: 5/5): Benjamin presents a deep dive on retirement spending, comparing the famous 4% rule to newer research by Scott Cederberg that estimates a 2.26% safe withdrawal rate after accounting for survivorship and success bias across global developed markets. Why U.S. historical returns may be misleading (Priority: 5/5): The discussion emphasizes that U.S. equity returns were unusually strong and may reflect both luck and falling required returns, making U.S.-only retirement assumptions overly optimistic for future planning. Methodology behind the new withdrawal-rate research (Priority: 4/5): The episode explains the block-bootstrap simulation approach, mortality assumptions, and the use of a broad sample of developed-country returns from 1890–2019 to estimate portfolio longevity and failure probabilities. Challenges and opportunities for young people today (Priority: 4/5): Benjamin summarizes panel remarks on rising housing costs, debt, inflation, low expected returns, high investment fees, and weak financial literacy, while also outlining solutions such as working longer, saving more, deferring pensions, and improving financial education. Book review: The Elements of Choice (Priority: 3/5): Cameron reviews Eric J. Johnson’s book on decision-making, highlighting how defaults, sequencing, environment, and choice architecture shape behavior in ways people often don’t notice. Community engagement, events, and future plans (Priority: 2/5): The hosts discuss the London meetup, future meetups in other cities, the 23 and 23 reading challenge, and upcoming guests including Robert Merton and Eric Johnson. After-show discussion and listener feedback (Priority: 2/5): The closing banter covers listener reactions, the underappreciated Chris Hadfield episode, plans for CE-credit quizzes, and general reflections on audience interests and podcast evolution.

Key Arguments: The 4% rule is a useful planning tool, but it is not a universal rule and may be too optimistic when judged against broader historical evidence. U.S. stock-market history is unusually favorable and may be inflated by luck, survivorship, and lowered required returns after catastrophic risks failed to materialize. A broader global dataset that includes failed or missing markets gives a more realistic picture of retirement risks and suggests lower sustainable withdrawal rates. For a 65-year-old couple, the new research implies a 17.4% chance of depleting wealth before death at a 4% withdrawal rate. The same research estimates 2.26% as the withdrawal rate consistent with a 5% ruin probability in the broad sample. Longer life expectancies materially reduce safe spending rates for future retirees, especially younger cohorts. International diversification may improve retirement outcomes, but costs and implementation details matter, especially for Canadian investors. Young people face a difficult mix of higher housing costs, debt, inflation, fees, and low expected returns, so solutions include saving more, working longer, deferring pensions, and building financial literacy. Choice architecture strongly affects decisions; defaults, environment, and presentation can materially alter behavior without people realizing it. Improving financial literacy can raise well-being, reduce scams, improve retirement planning, and help people capture the benefits of low-cost diversified investing.

Data Points: Episode: 229 - The podcast episode number discussed throughout the transcript London meetup attendance: 20–22 people - Approximate number of listeners who attended the London meetup Meetup duration: 5.5 hours - Length of the London gathering before it was shut down for the night Reading challenge participants: 57 - Number of participants who completed the 22 and 22 reading challenge Book reviews logged: 378 - Reviews entered into the ReadWise app for the reading challenge Books read: 3,600 - Total books read by challenge participants Benjamin’s books read: 54 - Benjamin mentioned completing his 54th book that morning Safe withdrawal rate: 4% - Traditional rule: spend 4% of portfolio in year one, then adjust for inflation Historical safe withdrawal rate from new study: 2.26% - Estimated safe spending rate at a 5% probability of ruin in the broad developed-market sample Chance of wealth depletion at 4%: 17.4% - Probability that a 65-year-old couple would deplete financial wealth before death in the study Chance of depletion + 5 more years alive: 16% - Probability of running out of money and still living five more years 65-year-old couple life expectancy: 24.7 years - Mean retirement horizon used in the mortality-based simulation 5th percentile time to death: 12.3 years - Lower-tail longevity outcome for a 65-year-old couple 95th percentile time to death: 35.5 years - Upper-tail longevity outcome for a 65-year-old couple Retirement horizon in 2065: 27.6 years - Expected years in retirement for people retiring in 2065 Retirement horizon in 2085: 28.7 years - Expected years in retirement for newborns today when they retire Safe withdrawal rate for 2065 retirees: 2.02% - Adjusted downward from 2.26% because of longer life expectancy Safe withdrawal rate for newborns today: 1.95% - Adjusted further downward because of even longer life expectancy Domestic investor loss probability over 30 years: 12% - From Scott Cederberg’s broader analysis, domestic stocks had this real-loss probability International investor loss probability over 30 years: 4% - From Scott Cederberg’s broader analysis, international stocks had lower real-loss probability Average fee on Canadian equity funds: 1.76% - Asset-weighted average fee for equity funds in Canada Basic financial literacy: About two-thirds - Share of Canadians who are financially literate at the most basic level Paper reduction from copier default change: 44% - Changing default printing to double-sided at Rutgers University Paper saved: 5 million sheets/year - Estimated paper savings from the default change at Rutgers Convertible purchase increase on clear days: 12% - Environmental effect cited in the book review Hotel selection effect: 50% more often first choice; 2x third choice - How ranking order affects online hotel selection Canadian fund ownership costs relative to U.S./Canada stocks: 30–70 bps - Estimated extra costs for owning international/emerging-market securities in Canada depending on account and asset class

Pivotal Quotes: "Do not change that" — Listeners at the London meetup: Reaction to the podcast’s blend of technical deep dives and fulfillment/happiness content "None of these are rules. They're tools." — Benjamin Felix: His characterization of the 4% rule and similar heuristics during the retirement spending discussion "Save like a pessimist, invest like an optimist." — Morgan Housel (cited by Benjamin): Used in the discussion of young people’s financial challenges and the importance of balancing caution with long-term market optimism

Implications: Listeners should treat withdrawal rules as planning tools, not guarantees, and consider longer horizons, lower expected returns, diversification, flexibility, and pensions. The episode also reinforces that better decisions come from understanding defaults, costs, and behavioral biases.