How to save for retirement

If your employer matches contributions to a 401(k), contributing enough to capture the full match is the highest-return financial move available to almost anyone. A dollar-for-dollar match is an immediate 100 percent return on that money, before any investment growth.

Not capturing it is, in plain terms, declining part of your compensation. It is offered as pay and forfeited if unclaimed.

Check the formula rather than assuming. Employers commonly match a percentage of pay up to a limit, and the contribution rate that captures the full match is frequently higher than the automatic enrolment default.

Check the vesting schedule too. Your own contributions are always yours immediately, but employer contributions may require several years of service before you keep them. If you are considering leaving a job, knowing your vesting date can be worth a substantial sum.

If your employer offers no plan at all, an IRA is the route — and some states now run automatic enrolment programmes for workers whose employers do not provide one.

Self-employed people have their own options with considerably higher limits than a standard IRA, which are worth asking an accountant about if you work for yourself.

A traditional account gives you the tax break now. Contributions reduce your taxable income this year, the money grows untaxed, and withdrawals in retirement are taxed as ordinary income.

A Roth account reverses it. You contribute money you have already paid tax on, and qualified withdrawals in retirement — including all the growth — are entirely tax-free.

The question is therefore whether your tax rate is higher now or in retirement. Broadly, if you expect to be in a higher bracket later, Roth wins; if you are at peak earnings now and expect less later, traditional wins.

Younger and lower-paid workers usually have the stronger Roth case, because their current rate is low and decades of growth come out untaxed.

Roth IRAs have income limits above which you cannot contribute directly. Roth 401(k)s, where an employer offers one, do not have those income limits.

You are not forced to choose one forever. Holding both creates tax flexibility in retirement, letting you draw from whichever is more efficient in a given year — which is genuinely valuable and rarely planned for.

Social Security retirement benefits are based on your highest-earning years and the age at which you claim. It is a genuine foundation, but a partial one — designed to replace a share of pre-retirement income rather than all of it, with lower earners replacing a larger proportion than higher earners.

Claiming age matters enormously. You can claim from 62, but doing so permanently reduces the monthly amount. Waiting until full retirement age gives the full benefit, and delaying beyond it increases the monthly payment further up to age 70.

That decision is irreversible in practical terms and is one of the highest-value financial choices most people make. Claiming early because it is available, rather than because it is needed, costs money for the rest of your life.

Check your earnings record. Social Security calculates benefits from reported earnings, and errors do occur — an employer that failed to report a year correctly reduces your benefit permanently unless corrected.

Spousal and survivor benefits exist and are widely misunderstood. A lower-earning or non-earning spouse may be entitled to a benefit based on the other's record, and survivor benefits can substantially exceed a person's own entitlement.

Medicare is separate and has its own enrolment deadlines with permanent penalties for missing them. Retirement planning that ignores Medicare timing frequently produces an expensive surprise at 65.

Fees compound exactly like returns, in the wrong direction. A fund charging a percentage point more each year removes a very large share of a lifetime's growth, and the difference between a low-cost index fund and an expensive actively managed one is one of the few things in investing you can control with certainty.

Check the expense ratio of every fund in your plan. Plans vary enormously in quality, and even poor plans usually contain at least one low-cost broad-market option.

Diversification matters more than selection. A broad fund holding the whole market removes the risk of any single company, and target-date funds do this automatically while shifting toward safer assets as retirement approaches — a reasonable default for people who do not want to manage allocation themselves.

Do not hold large amounts of your employer's stock. Your salary already depends on that company; concentrating your retirement in it too means a single failure takes both.

Leave it alone during falls. Selling after a decline converts a paper loss into a permanent one, and the years immediately following a crash have historically included some of the strongest recoveries.

When changing jobs, roll the old 401(k) into an IRA or your new plan rather than cashing out. Cashing out triggers tax plus an early withdrawal penalty and destroys decades of compounding — it is among the most costly common financial decisions.

Withdrawing before age 59½ generally triggers income tax plus an additional early withdrawal penalty. Limited exceptions exist, including certain medical costs, disability and some first-home purchases from an IRA.

Roth contributions — as distinct from earnings — can generally be withdrawn without penalty, since tax was already paid. The rules around earnings are stricter and depend on how long the account has been open.

A 401(k) loan is not free money. It must be repaid with interest, the borrowed portion stops growing, and leaving the job often makes the balance due quickly — turning it into a taxable withdrawal at the worst moment.

Required minimum distributions apply to traditional accounts from a set age, forcing withdrawals whether or not you need the income. Roth IRAs are not subject to them during the owner's lifetime, which is a meaningful planning advantage.

If you have a traditional pension rather than a 401(k), federal insurance through the Pension Benefit Guaranty Corporation protects most private pensions up to limits if the plan fails.

Free, unbiased information exists. Investor.gov is the SEC's own resource and includes tools for checking whether an adviser is registered and what they charge — worth doing before taking advice from anyone selling a product.

A Roth conversion is worth understanding even if you never use one. It means moving money from a traditional account into a Roth, paying income tax on the amount converted now in exchange for tax-free withdrawals later. It can make sense in a year when your income is unusually low — a gap between jobs, an early retirement year before Social Security begins — because the tax is charged at that year's lower rate.

The reason it matters is that required minimum distributions from traditional accounts can push retirees into a higher bracket later, and converting during low-income years reduces the balance those distributions are calculated on. This is genuinely technical territory and worth an hour with a fee-only adviser rather than a product salesperson.