Retirement Planning: A Guide to Each Phase and Key Risks

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This guide is for adults who are starting to think seriously about retirement and keep running into one-size-fits-all rules that don’t seem to fit anyone. There is no single safe answer to “how do I plan for retirement,” because the right focus changes depending on where you are in life and what your household actually needs. That’s the honest starting point. A useful first step, before you read further, is to notice which stage you’re in right now — still building, getting close, or already retired — because that decides which parts of this guide matter most to you today.

Retirement planning is not one savings number or one retirement date. It’s better understood as a lifecycle process that runs across decades and changes shape as you move through it. That framing is the through-line of everything below.

Contents

What Retirement Planning Actually Is

Think of retirement planning as one process with three phases, not a single task you finish. Those phases are the accumulation years while you’re working, the pre-retirement years when you test the plan, and the years in retirement when you actually draw on what you built. Each one has a different job.

Starting later can narrow your options, but starting now is still better than not starting. The Department of Labor puts it plainly: there is no such thing as starting to save too early or too late for retirement (DOL). The later you begin, the less time you have for contributions and investment growth to do their work.

Why does the process matter more than any single number? Because the number you’d need depends on things you can’t fully know yet — how long you’ll live, what markets do, what health costs arrive, and how rules change. A phase-based approach lets you build a plan that can bend without breaking. The rest of this guide walks through each phase in turn, then the risks a plan has to survive.

Phase 1 — The Accumulation Years

During your working years, the job is straightforward to state and hard to do: turn current income into future resources. You set money aside now so it can grow into something you can live on later.

Two forces do quiet work over long stretches of time. According to the DOL, compound interest and tax deferrals make a big difference in the amount you accumulate over time. That’s not a promise of any particular return. It’s a description of how growth and tax treatment tend to compound when you leave money invested for years rather than months.

There’s a structural reason this phase falls so heavily on you. In many workplace retirement plans, the DOL notes that you’re offered a choice of investment options and must decide where to invest your contributions — which shifts much of the responsibility for retirement planning onto workers. A generation ago, more of this sat with employers. Now the choices, and the consequences, land with you.

Tax treatment of retirement accounts depends on the account type and your own situation, and a tax professional can speak to your specifics. The point of the accumulation phase isn’t to chase a number. It’s to start the compounding clock and keep it running.

Phase 2 — Testing Your Plan Against Reality

As retirement gets closer, the work changes from building to checking. This is where you compare your projected income against your expected expenses and see whether they line up. The DOL retirement planning workbook frames it directly: you compare your income with your expenses during retirement and see if they match up, and from that you discover whether you need to save more and, if so, how much more.

That comparison is the core checkpoint. It’s not glamorous. You add up what you’ll likely have coming in, you estimate what you’ll likely spend, and you look honestly at the gap — or the cushion.

A word of caution built into the same guidance: these are estimates only, and you’ll want to update them from time to time (DOL). A pre-retirement check isn’t a verdict carved in stone. It’s a snapshot that tells you whether to adjust while you still have working years to adjust with. Individual circumstances vary a great deal, and a qualified financial professional can help you run this comparison against your own numbers rather than a generic rule.

Phase 3 — Coordinating Income in Retirement

Once you’re retired, planning becomes coordination. You’re no longer feeding one account; you’re pulling from several sources at once — Social Security, any pension, portfolio withdrawals — while managing taxes, Medicare, and keeping enough cash on hand. The pieces interact, so the sequence and timing matter.

Social Security Timing

There is no single best age to claim Social Security. The SSA is explicit that there is no “best age” for everyone and that the choice is ultimately yours, made on your own situation. Timing has real consequences, though. The CFPB notes that claiming earlier could reduce your monthly benefit by as much as 30 percent, while delaying past full retirement age can increase the monthly retirement benefit up to age 70. The SSA states that delaying beyond age 70 does not produce additional delayed-retirement credits. You can see estimates for your own situation through the SSA benefits estimator. Social Security rules are complex and can change, so it’s worth verifying current rules directly with the SSA.

Pension and Payout Choices

If you have an employer plan, how it pays out depends on the plan type. In the private-plan framework described by the DOL, defined benefit and money purchase plans must offer a life annuity — equal periodic payments for the rest of your life — and may offer other options, while a defined contribution plan may pay a single lump sum or offer payments over a set period. These federal rules primarily describe private retirement plans governed by ERISA and the Internal Revenue Code; state and local government plans, federal employee plans, most church plans, and some collectively bargained arrangements can follow different rules. Do not assume an election is final the moment you sign it: some qualified-plan elections can still be revoked or changed during the applicable election period before payments begin, subject to plan terms and any required spousal consent (IRS).

Taxes and Required Distributions

Taxes don’t stop at retirement. Part of your Social Security may be taxable depending on your total income and filing status, according to the IRS. Required minimum distributions also depend on account type. The IRS generally requires lifetime RMDs from traditional IRAs and many employer retirement accounts, while Roth IRAs and designated Roth accounts in 401(k) and 403(b) plans do not require lifetime RMDs for the original owner. Beneficiary rules are different. Tax treatment of retirement income depends on account type, filing status, and applicable law, so a tax professional can map this to your situation.

Medicare Enrollment

Medicare comes with deadlines that carry lasting cost. Medicare notes that if you or your spouse are still working, you may be able to delay signing up without a late enrollment penalty. But miss the window without that protection and, as Medicare explains, you’ll pay an extra 10% for each year you could have signed up for Part B but didn’t. Enrollment rules involve strict deadlines, and missing them can mean a permanent premium increase.

Managing what’s still invested belongs here too. The FINRA advises taking a fresh look at your investment risk as you head into retirement, because you may no longer have time to recover from market downturns. Coordination, not any single decision, is what carries you through this phase.

Key Risks a Retirement Plan Has to Address

A plan is really a structure built to withstand things you can’t predict. The risks below are among the recurring ones retirement plans have to address.

Longevity Risk

You might live a long time — longer than your savings were casually meant to last. The DOL suggests figuring how much you may need to last over a 30-year period, which tells you something about the horizon. The SSA offers a life expectancy calculator that shows the average additional years a person can expect to live. These are statistical averages; your own outcome can land well above or below them.

Market Risk

Markets fall, and near retirement you may lack the years to wait out a downturn. The FINRA recommends reassessing whether too much of your money sits in higher-risk securities, precisely because recovery time shrinks as you age. Past performance doesn’t predict future results, which is exactly why this risk can’t be assumed away.

Sequence-of-Returns Risk

Once you are withdrawing from a portfolio, the order of market returns can matter as well as the average return. Poor returns early in retirement can force withdrawals from a depressed portfolio and leave fewer assets available to participate in a later recovery. That makes the timing of losses especially important during the transition from accumulation to spending (Clare et al.).

Inflation Risk

Prices can rise even when the plan itself is otherwise working as expected. The DOL treats inflation as a major retirement-planning factor because higher prices reduce purchasing power over time. A plan therefore has to account for the possibility that the same dollar income may buy less as retirement continues.

Health Risk

Health costs tend to rise as you get older. The CFPB notes that out-of-pocket health care costs are likely to increase with age. Medicare’s enrollment deadlines, covered above, are part of managing this risk rather than a separate concern.

Survivor Risk

When one spouse dies, household income can drop. The SSA explains that a surviving spouse’s benefit can range from 71.5% to 100% of the deceased spouse’s benefit depending on the survivor’s age when applying, with different eligibility rules for some younger disabled spouses and caregivers. Planning for the surviving partner is part of planning for the couple.

How to Think About Big, Hard-to-Reverse Decisions

Ask one question before any major retirement choice: can I undo this if my circumstances change? Some decisions are easy to reverse. Others can become difficult or impossible to change once they take effect. A pension-versus-lump-sum election is a clear example: some qualified-plan elections can still be changed during the applicable election period before payments begin, but that flexibility can narrow once the election becomes effective (IRS).

The weight of these choices has grown because so much responsibility has shifted onto individuals. When workplace plans hand you the investment choices, as the DOL describes, you also inherit more of the high-consequence decisions that once sat elsewhere.

A practical way to sort them: notice how reversible a decision is, and notice what risk it moves onto your household. A choice that becomes harder to change and shifts risk to you deserves more time, more questions, and often a conversation with a qualified professional. Pension payout elections are one example because the opportunity to change them can depend on timing, plan terms, and whether payments have begun. This is a way of thinking about the decision, not a recommendation about which option to pick.

When Doing Nothing New Is the Right Answer

Not every plan needs a change, and restraint is often the sounder move. If your pre-retirement comparison of income against expenses already lines up, there may be nothing new to buy or switch. A plan you already understand and can stick with may serve you better than a more complicated one adopted under pressure.

This matters most around decisions that can become hard to reverse. Because the opportunity to change a pension election may narrow once it becomes effective or payments begin (IRS), the option to wait, ask more questions, or keep your current arrangement is itself worth protecting. Beware anything that pushes you to act fast. The decisions in this guide reward deliberation, not speed, and choosing not to make a new move is a legitimate outcome of good planning.

Retirement Planning Is Never Finished

A plan is a living thing. The DOL reminds people that the amounts you work out are only estimates, and you’ll want to update them from time to time. Life keeps rewriting the inputs. A job changes, a health event arrives, tax rules shift, a spouse’s situation changes — and the plan that fit last year may not fit this one.

That’s not a failure of planning. It’s what planning is. Build the habit of revisiting the plan when your assumptions or circumstances change, and the process keeps working long after the first version is done.

What Research Can and Cannot Tell You

A couple of the findings behind this guide come from behavioral research, and it’s worth being clear about what that research does and doesn’t establish. Experimental survey evidence suggests that framing can change stated retirement intentions and preferences. Brown, Kapteyn & Mitchell found that breakeven framing caused respondents to report earlier expected Social Security claiming ages (Brown, Kapteyn & Mitchell). Brown et al. found large differences in stated annuity preferences depending on whether otherwise comparable choices were presented in consumption or investment terms (Brown et al.).

These studies do not establish how any particular household should decide, and changes in expected or hypothetical choices do not necessarily translate into actual Social Security claiming or annuity-purchase behavior. They are useful because they show that framing can affect stated intentions and preferences — not because they resolve any decision for you.

Frequently Asked Questions About Retirement Planning

When Should I Start Retirement Planning?

As soon as you can, and it’s never too late to begin. The DOL states plainly that there is no such thing as starting to save too early or too late. Because compound interest and tax deferrals build up over time, starting the clock is what matters most.

How Do I Know if I’m Saving Enough?

You find out by comparing your projected retirement income against your expected expenses and seeing whether they match. The DOL frames this exact comparison as the way to discover whether you need to save more and, if so, how much more. The result is an estimate, not a verdict.

What’s the Difference Between a Pension and a Defined Contribution Plan?

They differ in who bears the responsibility. In the private-plan framework described by the DOL, a defined benefit plan must offer a life annuity — periodic payments for life — while a defined contribution plan may pay a lump sum or offer other options, and it typically asks you to choose your own investments. Governmental, federal employee, most church, and some collectively bargained plans can follow different rules.

When Should I Claim Social Security?

There’s no best age for everyone; the SSA says the choice is yours. Claiming early can reduce your monthly benefit, while delaying past full retirement age can increase it up to age 70; there is no additional delayed-retirement credit for waiting beyond 70 (SSA; CFPB).

How Often Should I Review My Retirement Plan?

Often enough to keep it current. The DOL advises treating your figures as estimates and updating them from time to time. A practical trigger is any real change — a new job, a health event, a shift in tax rules, or a change in your household.

Key Terms

Accumulation phase — The working years, when the goal is to turn current income into future resources.

Defined benefit plan — In the private-plan framework discussed here, a plan that must offer a life annuity, meaning equal, periodic payments for the rest of your life.

Defined contribution plan — A plan that may pay a lump sum or other options, and typically asks the worker to choose where contributions are invested.

Full benefit age — The Social Security age at which you can claim your unreduced monthly benefit; claiming earlier can reduce it.

Life annuity — A stream of equal, periodic payments that continues for the rest of your life.

Required minimum distributions — Required withdrawals that generally apply during an owner’s lifetime to traditional IRAs and many employer retirement accounts. Roth IRAs and designated Roth accounts in 401(k) and 403(b) plans do not require lifetime RMDs for the original owner; beneficiary rules differ.

Survivor benefit — A Social Security payment that may be available to a surviving spouse under SSA eligibility rules; the amount can range from 71.5% to 100% of the deceased spouse’s benefit depending on the survivor’s age when applying.

References

Consumer Financial Protection Bureau. (2026). Planning your Social Security claiming age. https://www.consumerfinance.gov/consumer-tools/retirement/before-you-claim/

Financial Industry Regulatory Authority. (n.d.). Managing your retirement portfolio. https://www.finra.org/investors/learn-to-invest/types-investments/retirement/managing-retirement-income/managing-your-retirement-portfolio

Internal Revenue Service. (2017). Social Security income. https://www.irs.gov/faqs/social-security-income

Internal Revenue Service. (n.d.). Retirement topics — Required minimum distributions (RMDs). https://www.irs.gov/retirement-plans/plan-participant-employee/retirement-topics-required-minimum-distributions-rmds

Internal Revenue Service. (n.d.). Retirement topics — Notices. https://www.irs.gov/retirement-plans/plan-participant-employee/retirement-topics-notices

Medicare (Centers for Medicare & Medicaid Services). (n.d.). Avoid late enrollment penalties. https://www.medicare.gov/basics/costs/medicare-costs/avoid-penalties

Medicare (Centers for Medicare & Medicaid Services). (n.d.). Working past 65. https://www.medicare.gov/basics/get-started-with-medicare/medicare-basics/working-past-65

Brown, J. R., Kapteyn, A., & Mitchell, O. S. (2016). Framing and claiming: How information-framing affects expected Social Security claiming behavior. Journal of Risk and Insurance, 83(1), 139–162. https://doi.org/10.1111/j.1539-6975.2013.12004.x

Brown, J. R., Kling, J. R., Mullainathan, S., & Wrobel, M. V. (2008). Why don’t people insure late-life consumption? A framing explanation of the under-annuitization puzzle. American Economic Review, 98(2), 304–309. https://doi.org/10.1257/aer.98.2.304

Clare, A., Glover, S., Seaton, J., Smith, P. N., & Thomas, S. (2020). Measuring sequence of returns risk. Journal of Retirement, 8(1), 65–79. https://doi.org/10.3905/jor.2020.1.066

Social Security Administration. (n.d.). Get a benefits estimate. https://www.ssa.gov/prepare/get-benefits-estimate

Social Security Administration. (n.d.). Retirement & survivors benefits: Life expectancy calculator. https://www.ssa.gov/oact/population/longevity.html

Social Security Administration. (n.d.). What important things to consider when planning for retirement. https://www.ssa.gov/benefits/retirement/planner/otherthings.html

Social Security Administration. (n.d.). When to start receiving retirement benefits. https://www.ssa.gov/benefits/retirement/planner/applying2.html

Social Security Administration. (n.d.). What you could get from survivor benefits. https://www.ssa.gov/survivor/amount

U.S. Department of Labor, Employee Benefits Security Administration. (n.d.). Retiring from a job. https://www.dol.gov/agencies/ebsa/secure-your-financial-future/retiring-from-a-job

U.S. Department of Labor, Employee Benefits Security Administration. (n.d.). Savings fitness: A guide to your money and your financial future. https://www.dol.gov/agencies/ebsa/about-ebsa/our-activities/resource-center/publications/savings-fitness

U.S. Department of Labor, Employee Benefits Security Administration. (n.d.). Taking the mystery out of retirement planning. https://www.dol.gov/agencies/ebsa/about-ebsa/our-activities/resource-center/publications/taking-the-mystery-out-of-retirement-planning

U.S. Department of Labor, Employee Benefits Security Administration. (n.d.). Top 10 ways to prepare for retirement. https://www.dol.gov/agencies/ebsa/about-ebsa/our-activities/resource-center/publications/top-10-ways-to-prepare-for-retirement

U.S. Department of Labor, Employee Benefits Security Administration. (n.d.). What you should know about your retirement plan. https://www.dol.gov/agencies/ebsa/about-ebsa/our-activities/resource-center/publications/what-you-should-know-about-your-retirement-plan