You don’t need a financial advisor, a large account balance, or any investing experience to start. The same low-cost index funds used by major university endowments are available to anyone with $200 and a free brokerage account — with no minimum, no commissions, and no jargon required.
Investing past 70 is genuinely different from investing at 40. Your time horizon is shorter but longer than most people realize. You have RMD rules to navigate. And you can’t afford to lose sleep over your money. These eight questions get answered plainly here before anything else.
1 Is it too late to start investing at 70, 75, or even 80? No. A 70-year-old has a statistically likely 15 to 20 more years of life — and a Roth IRA has no Required Minimum Distributions at all during your lifetime. Money invested at 70 has real time to grow, and even modest, steady growth protects purchasing power against inflation in a way that cash sitting in a savings account cannot. ▼
The Social Security Administration’s actuarial tables show that a 70-year-old American has a life expectancy of roughly 85 for men and 87 for women — and those are averages. A significant number of people in their 70s will live into their 90s. That’s a 15 to 25 year investment horizon, which is long enough for diversified stock-and-bond portfolios to do meaningful work.
The real danger at this stage isn’t investing too much — it’s holding too much in cash. With grocery prices rising 2 to 3 percent annually, $200 left in a savings account paying 0.5% loses real purchasing power every year. Even a simple index fund holding 40% in stocks alongside 60% in bonds has historically returned enough to stay ahead of inflation over rolling 15-year periods, though past performance is no guarantee of future results. Starting at 70, 75, or 80 with $200 is not a retirement strategy — it’s a sensible complement to your other income that also teaches you how the process works and keeps your financial mind engaged.
2 What is an index fund and why is it recommended over picking individual stocks? An index fund owns a tiny piece of hundreds or thousands of companies in one purchase. When you buy a share of VTI, you own a proportional slice of more than 3,600 U.S. companies. You don’t pick which ones win — the whole market wins on average over time, and you own all of it. ▼
Picking individual stocks — deciding that one company will outperform another — is something that most professional fund managers fail to do consistently over time. Decades of academic research show that the majority of actively managed mutual funds underperform simple index funds after fees over any 15-year period. The reason is compounding costs: a fund that charges 1% per year in fees sounds minor, but on a $10,000 investment over 20 years, that 1% difference costs roughly $2,600 in lost growth versus a 0.015% index fund.
An index fund just tracks a list — the S&P 500 index, for instance, or the entire U.S. stock market. Nobody at the fund company is trying to pick winners; they simply hold what’s on the list in proportion to each company’s size. The result is instant diversification across hundreds of companies for one purchase at virtually no ongoing cost. For a 70-year-old investing $200, that diversification is safety — no single company’s bankruptcy can sink your investment.
3 How much of my money should be in stocks versus bonds at 70? The old rule — “bonds equal your age in percent, so 70% bonds at 70” — is now considered too conservative by most financial researchers. A more common current guidance is 30 to 50% in stocks and 50 to 70% in bonds or cash for someone in their 70s, adjusted for your specific income needs, health, and risk comfort. ▼
The old age-in-bonds formula was built when most people didn’t live past 80. In 2025, a 65-year-old can expect to live to 85 to 87 on average — and 20% will see 95. A portfolio that’s 75% bonds at age 70 earning 4% to 4.5% annually may not keep pace with healthcare inflation, which has historically run higher than general consumer price inflation.
Morningstar’s current research and target-date fund glide paths suggest that even retirees in their 70s benefit from holding 30% to 50% in equities. The key question is: what happens to your financial life if your portfolio drops 20% in a year? If you have Social Security, pension income, and other sources that cover your essential living expenses — so that you don’t need to sell investments during a downturn — you can comfortably hold more stocks. If you’re depending on portfolio withdrawals for rent or groceries, lean toward more bonds and cash.
4 What are Required Minimum Distributions and do they affect my investing? If you have a traditional IRA, 401(k), or similar pre-tax retirement account, the IRS requires you to withdraw a minimum amount each year starting at age 73. Missing the deadline costs 25% of the amount not taken as a penalty. RMDs are taxable income, which matters for Medicare premiums and tax brackets. ▼
The SECURE 2.0 Act raised the RMD starting age from 72 to 73 for people born between 1951 and 1959, and to age 75 for those born in 1960 or later. Your RMD amount is calculated by dividing your prior December 31 account balance by a life expectancy factor the IRS publishes — at age 73, that factor is 26.5, so a $100,000 IRA balance requires a withdrawal of roughly $3,774 in the first year. The IRS charges a 25% excise tax on any amount you were required to withdraw but didn’t — reduced to 10% if you correct the error within two years.
Roth IRAs have no Required Minimum Distributions during the account owner’s lifetime. This is one of the strongest arguments for converting some traditional IRA money to a Roth before age 73 — the converted amount grows tax-free, you never have to withdraw it if you don’t need it, and it won’t push your income into a higher Medicare IRMAA bracket the way traditional IRA withdrawals do. Note that Roth conversions themselves count as income in the year of conversion, so timing matters.
5 Can I open a new IRA after age 70? Yes — if you have earned income. The old age-70½ cutoff for IRA contributions was eliminated by the SECURE Act. As long as you or your spouse have wages, self-employment income, or other earned income in a year, you can contribute to a traditional or Roth IRA regardless of age. The contribution limit for 2026 is $7,000 per person, plus an additional $1,000 catch-up for anyone 50 or older. ▼
Social Security benefits, pension payments, and investment income don’t count as earned income for IRA contribution purposes — only wages, salaries, tips, commissions, and self-employment income qualify. But many people in their 70s are still working part-time, doing consulting, driving for rideshares, or earning income from a small business. Any of those incomes make IRA contributions possible.
At 70+, a Roth IRA is almost always preferable to a traditional IRA for new contributions, assuming you can afford the taxes on the contribution today. Contributions to a traditional IRA after 73 are subject to RMD rules immediately in some situations, while Roth IRA contributions are never subject to RMDs during the owner’s lifetime. The Roth also grows tax-free, and qualified withdrawals carry no income tax — a meaningful advantage for managing Medicare IRMAA brackets in later years.
6 How does investing affect my Medicare premiums? Investment income can trigger IRMAA — the Income-Related Monthly Adjustment Amount — which adds a surcharge to your Medicare Part B and Part D premiums. The surcharge kicks in when your Modified Adjusted Gross Income (from two years ago) exceeds $109,000 for a single filer or $218,000 for a joint filer. Capital gains from index fund sales count toward MAGI. ▼
Medicare’s standard Part B premium is $202.90 per month in 2026. But if your income two years ago crossed the IRMAA threshold, you pay more — from $81 to $487 more per month in surcharges. For most retirees investing $200 to $500 per month in index funds, IRMAA is unlikely to be triggered by dividends or small capital gains alone. The bigger risk is when RMDs push income up significantly, especially if a large IRA is involved.
Index funds are generally more tax-efficient than actively managed funds because they rarely sell holdings — meaning they distribute fewer taxable capital gains each year. Holding index funds in a tax-advantaged account (Roth IRA or traditional IRA) rather than a taxable brokerage account avoids generating reportable dividend income in the short term. If you’re close to an IRMAA threshold, discuss with a tax advisor before making large withdrawals or Roth conversions in any single year.
7 What is dollar-cost averaging and should I do it? Dollar-cost averaging means investing the same amount at regular intervals — say, $50 on the first of every month — regardless of whether the market is up or down. When prices drop, your $50 buys more shares. When prices rise, it buys fewer. Over time, this averages out your purchase price and removes the stress of trying to time the market. ▼
Nobody — not professional fund managers, not market analysts, not your neighbor who claims he “called” the 2020 crash — reliably knows when the market will go up or down in the short term. Trying to buy at the bottom and sell at the top is a strategy that loses to simply buying consistently at every price over time, for the overwhelming majority of investors.
Both Fidelity and Schwab allow you to set up automatic recurring investments — you tell them the dollar amount and the fund, and money moves from your bank account into the index fund on a schedule you choose. This removes emotion from the equation entirely. You’re not making a decision every month; the investment happens automatically whether the market was up last week or down. Setting this up once and then leaving it alone — what the investment community calls “set it and forget it” — consistently outperforms investors who try to time their purchases based on news and market conditions.
8 What happens to my index fund investment when I die? Index funds held in a brokerage account or IRA pass to whoever you’ve named as beneficiary. Unlike a savings account, they don’t automatically go through probate. Name a beneficiary on every account — it takes two minutes and overrides anything in your will. Beneficiaries of inherited traditional IRAs have new 10-year withdrawal rules under the SECURE 2.0 Act. ▼
Naming beneficiaries on financial accounts is one of the highest-value and most commonly neglected estate planning tasks. The beneficiary designation on a brokerage account or IRA overrides your will — a will only covers assets that go through probate, and accounts with named beneficiaries typically pass outside of probate entirely, transferring directly and quickly to the person you designated. Log into every account you hold and verify the beneficiary name and relationship is current, especially after any major life change like a marriage, death, or divorce.
Under SECURE 2.0 rules, most non-spouse beneficiaries who inherit a traditional IRA must now withdraw all funds within 10 years, which can create a significant tax event for beneficiaries in high-income years. Spousal beneficiaries have more options, including rolling the inherited IRA into their own IRA and delaying distributions. This is worth discussing with an estate planning attorney or financial advisor if you have a meaningful IRA balance, so that your intended heirs don’t face unnecessary tax consequences.
The most common objection to investing past 70 is “I don’t have enough time.” But the math on longevity and inflation makes a strong argument that doing nothing with savings is actually the riskier choice.
Here is a simple illustration. A $10,000 savings account balance at 0.5% annual interest becomes approximately $10,511 in ten years. At 3% annual inflation (the long-term U.S. historical average), that $10,511 buys the equivalent of roughly $7,800 in today’s purchasing power. You have more dollars but less buying power. An index fund returning 6% per year (after fees — a conservative estimate for a balanced portfolio, not a guarantee) grows to approximately $17,908, which, adjusted for the same 3% inflation, represents about $13,300 in today’s purchasing power. The difference isn’t getting rich — it’s not getting slowly poor. Investing isn’t about greed at this life stage; it’s about keeping your money honest.
You don’t need ten funds. Most investors at this stage are well-served by one broad stock fund and one bond fund — the entire U.S. market and the entire U.S. bond market — chosen based on which brokerage account you already have or decide to open.
| Fund Ticker | Full Name | Type | Expense Ratio/yr | Minimum | Where Available | Best For |
|---|---|---|---|---|---|---|
| FXAIX | Fidelity 500 Index Fund | Mutual Fund | 0.015% | $0 | Fidelity | Fidelity account holders, auto-invest, fractional amounts |
| SWPPX | Schwab S&P 500 Index Fund | Mutual Fund | 0.02% | $0 | Schwab | Schwab account holders, same advantages as FXAIX |
| VOO | Vanguard S&P 500 ETF | ETF | 0.03% | ~1 share | Any brokerage | Tax-efficient for taxable accounts; flexible across brokerages |
| VTI | Vanguard Total Stock Market ETF | ETF | 0.03% | ~1 share | Any brokerage | Broader than S&P 500 — includes mid & small cap U.S. companies |
| FZROX | Fidelity ZERO Total Market Index | Mutual Fund | 0.00% | $0 | Fidelity only | Zero fees — tracks a Fidelity proprietary index, not S&P 500 |
| Fund Ticker | Full Name | Type | Expense Ratio/yr | Yield (approx.) | Where Available | Best For |
|---|---|---|---|---|---|---|
| BND | Vanguard Total Bond Market ETF | ETF | 0.03% | ~4.2–4.5% | Any brokerage | Broad U.S. investment-grade bonds, monthly income |
| AGG | iShares Core U.S. Aggregate Bond ETF | ETF | 0.03% | ~4.2–4.5% | Any brokerage | Morningstar Gold-rated; virtually identical to BND |
| FXNAX | Fidelity U.S. Bond Index Fund | Mutual Fund | 0.025% | ~4.1–4.4% | Fidelity | Fidelity account holders wanting automatic bond investing |
| SWAGX | Schwab U.S. Aggregate Bond Index | Mutual Fund | 0.04% | ~4.1–4.4% | Schwab | Schwab account holders, no minimum, auto-invest |
Expense ratios and yields as of early-to-mid 2026. Bond yields fluctuate with interest rates and are not guaranteed. Past performance is not indicative of future results. Always verify current terms at each fund company’s website before investing.
This is the step most guides skip: the literal mechanics of doing it for the first time. Here’s exactly what to expect, without jargon, from start to invested.
Go to fidelity.com or schwab.com and look for “Open an Account.” For investing outside of a retirement account, choose “Individual Brokerage Account.” To invest in a Roth IRA (no RMDs, tax-free growth), choose “Roth IRA.” You’ll need your Social Security number, a government-issued ID, and a bank account number for the initial transfer. There is no minimum deposit to open the account — you can open it with $0 and fund it later. If you prefer to do this by phone, Fidelity’s number is 1-800-343-3548; Schwab’s is 1-800-435-4000. Representatives are trained and patient with first-time account openers at any age.
After the account is open, link your bank account by entering your routing and account number (found at the bottom of a check or through your bank’s website). Request a transfer of $200 — or however much you’re starting with. The money typically arrives in one to three business days. Some accounts offer instant credit for small transfers. You do not need to transfer the full amount before investing — at Fidelity, you can invest as little as $1 in FXAIX through their fractional share program, so even a partial transfer gets you started immediately.
Once your money is in the account, click or tap “Trade” or “Buy.” Search for the fund by ticker symbol — FXAIX at Fidelity, SWPPX at Schwab. Select “Dollar Amount” rather than “Number of Shares” — this lets you invest exactly $200 rather than trying to figure out how many shares that buys. Enter $200 (or $120 for stocks and $80 for bonds, or whatever split you choose). Click “Preview Order,” review the details, and click “Place Order.” The entire investment step takes about five minutes. You’ll receive a confirmation immediately.
Both Fidelity and Schwab allow you to set up automatic recurring investments — you choose the fund, the dollar amount, and the frequency (weekly, monthly, quarterly). Once set, the transfer and investment happen automatically every month with no action required from you. Even $25 or $50 per month compounds meaningfully over 10 to 15 years. Setting this up removes emotion and discipline requirements — you never have to decide whether it’s a good time to invest, because it just happens on schedule regardless of market conditions.
There is no single correct allocation — but there are sensible ranges based on your income situation, health, and how much you’d worry if the market dropped 20% tomorrow. Here’s a practical framework that doesn’t require a spreadsheet.
If your Social Security, pension, or other guaranteed income already covers your monthly living expenses, your invested portfolio doesn’t need to generate immediate income — it can grow. In this situation, a 40% to 50% stock allocation is defensible even at 75 or 80. The portfolio’s job is long-term inflation protection and eventual inheritance or charitable giving, not paying this month’s electricity bill. A simple two-fund approach: 40% in FXAIX or VOO (stocks), 60% in FXNAX or BND (bonds). Rebalance once a year — if stocks grow to more than 45% of the total, sell enough to bring it back to 40%. That’s the entire strategy.
If your portfolio needs to contribute to monthly living expenses — covering healthcare costs, travel, home maintenance — the allocation becomes more conservative because a bad market year can’t force you to sell stocks at a loss to pay bills. A 30% stock and 70% bond split provides more stability in down markets while still offering some growth. Keep one to two years of expected annual withdrawals in a money market fund or high-yield savings account as a buffer — that way you never have to sell index fund shares during a market dip. You spend from the buffer; the investments recover; then you refill the buffer from investment gains.
If you have significant health concerns or primarily want to preserve capital for a spouse or heirs without taking market risk, a mostly bond and cash position is appropriate — 20% stocks or less, with the remainder in a bond index fund, Treasuries, or FDIC-insured instruments. At this end of the spectrum, the goal isn’t growth; it’s not losing value. Even here, some stock exposure (15–20%) protects against long-term inflation in a way pure bonds cannot — especially since bond prices also fall when interest rates rise. Pure cash is the only true capital guarantee, at the cost of guaranteed purchasing power erosion.
RMDs are the IRS’s way of collecting taxes on pre-tax retirement account money that was allowed to grow tax-deferred. Missing one is one of the most expensive mistakes retirees make — and one of the most preventable.
If you fail to take the Required Minimum Distribution from a traditional IRA, 401(k), SEP IRA, or SIMPLE IRA by the deadline, the IRS charges a 25% excise tax on the amount you were required to withdraw but did not. The penalty drops to 10% if you correct the error within a two-year correction window — but that still requires filing an amended return and paying back the tax on the withdrawn amount. RMDs cannot be postponed or “skipped” — they must be taken, reported on your tax return, and included in ordinary income.
If you were born between 1951 and 1959, your RMD start age is 73. If born in 1960 or later, it’s 75. Your first RMD must be taken by April 1 of the year following the year you turn 73. Every subsequent RMD is due by December 31 of each year. Delaying the first RMD until April 1 means two RMDs in one year — one in April, one by December 31 — which can push your taxable income significantly higher, potentially triggering a higher Medicare IRMAA tier two years later. For many people, taking the first RMD in the same year they turn 73 is the cleaner choice.
Take your IRA account balance on December 31 of the prior year. Divide it by your life expectancy factor from the IRS Uniform Lifetime Table (Publication 590-B). At age 73, the factor is 26.5. At 75, it’s 24.6. At 80, it’s 20.2. Example: a $100,000 IRA balance at age 73 requires a minimum withdrawal of $100,000 ÷ 26.5 = $3,773. You can always withdraw more than the minimum; you just can’t withdraw less. Your brokerage will calculate this for you — Fidelity, Schwab, and Vanguard all have RMD calculators and will send you a reminder each year. Many will even automatically distribute your RMD if you set up that preference.
A Qualified Charitable Distribution (QCD) is one of the most overlooked tax-saving moves in retirement. If you’re 70½ or older, you can have your IRA custodian send a check directly to an eligible charity — up to $108,000 per person per year — and that amount counts toward your RMD without being counted as taxable income. You don’t take the money, you don’t pay tax on it, and it still satisfies your RMD requirement. For retirees who are charitably inclined and have RMD amounts they don’t need for living expenses, this is a particularly powerful strategy — it reduces your MAGI (which helps with IRMAA brackets), keeps the money out of your taxable income, and does something good. The QCD must go directly from the IRA to the charity — if the check is made out to you first, the benefit is lost.
Investment income at 70+ isn’t isolated from your other finances. Dividends, capital gains, and RMDs all show up on your tax return — and the total can affect your Medicare premiums two years later in ways most people don’t see coming.
IRMAA stands for Income-Related Monthly Adjustment Amount. It adds a surcharge to your Medicare Part B and Part D premiums when your Modified Adjusted Gross Income (from two years ago) exceeds $109,000 for a single filer or $218,000 for married filing jointly. Surcharges in 2026 range from roughly $81 to $487 extra per month. The kicker: IRMAA uses your income from two years prior, so what you earn today sets what you’ll pay in Medicare premiums two years from now. Selling a large chunk of index funds at once, taking an unusually large RMD, or doing a big Roth conversion can all push income over a threshold — and once crossed, the full surcharge for that tier applies to every dollar, not just the overage.
Actively managed mutual funds buy and sell stocks frequently — and every time they realize a profit, they must distribute those capital gains to shareholders, who owe tax on them even if they never sold a single share themselves. Index funds rarely sell anything, so they distribute far fewer taxable capital gains. In a taxable brokerage account, an index fund like FXAIX or VOO is dramatically more tax-efficient than most active funds. For maximum tax efficiency, hold bonds (which pay regular taxable interest) in your IRA, and hold stock index funds in a Roth IRA or taxable account. This “asset location” strategy minimizes the tax drag on your total portfolio without changing what you own.
Call Fidelity at 1-800-343-3548. Tell them you want to open an individual brokerage account and you’ve never done it before. They walk you through every field — you’ll need your Social Security number, bank account information, and about 20 minutes. Once open, transfer $200 from your bank. When it settles (one to three business days), search for “FXAIX” in the trade window, choose “Dollar Amount,” type $200, and confirm. You now own a small but real piece of 500 major American companies. Then set up a recurring $25 or $50 monthly automatic investment so the account grows without you having to do anything. Check it quarterly, not daily — market movements on any given day are noise, not information. You’re not watching the weather; you’re waiting for the season to change.
Your first RMD is due by December 31 of this year (or you may delay it once to April 1 of next year, though doing so creates two taxable distributions in the same calendar year). Log into your IRA custodian’s website and look for the RMD calculator — most major brokerages calculate this automatically. Take the distribution, pay the ordinary income tax on it, and consider whether any amount you don’t need for living expenses should go into a Qualified Charitable Distribution instead of being paid to you. If you want to keep investing new money, open a separate Roth IRA (if you have earned income) or a taxable brokerage account alongside the existing IRA. New contributions don’t have to go into the same account as your RMD source.
Both Fidelity and Schwab are known for patient, knowledgeable phone representatives who are comfortable working with older adults who prefer phone to online. Fidelity also has local branch offices in many cities where you can sit down in person with a representative — find them at fidelity.com/locations. The entire process of opening an account, linking your bank, and making your first investment can be done entirely over the phone or in person at a branch. Specify to the representative that you want to invest in a low-cost index fund (mention FXAIX at Fidelity or SWPPX at Schwab by name) and that you do not want to be sold an actively managed fund with higher fees. You have every right to specify what you want.
Markets do go down. Sometimes significantly — the S&P 500 dropped more than 30% in early 2020 and recovered to new highs within months. It dropped more than 50% in 2008 and recovered within four years. For investors with a 10- to 20-year horizon (which is most people at 70 in average health), market dips are temporary setbacks in a longer positive trajectory — though that is historical context, not a guarantee. The practical protection: invest in increments over time rather than all at once (dollar-cost averaging), keep one to two years of living expenses in cash outside of any invested account, and never invest money you know you’ll need within two years. If a 20% drop in your portfolio would cause you serious financial hardship, reduce the stock percentage and hold more in bonds. The goal is an allocation you can hold through a rough year without panic-selling — because selling during a dip is the one investor behavior that turns a temporary paper loss into a permanent real one.
A Roth IRA is the best vehicle for this goal if you have earned income. Contributions grow tax-free, you never face RMDs during your lifetime, and when your beneficiaries inherit it, they receive those assets with significant tax advantages. Under current SECURE 2.0 rules, most non-spouse beneficiaries must withdraw an inherited traditional IRA within 10 years — which can create a tax burden for children in peak earning years. Inherited Roth IRAs have the same 10-year rule, but the withdrawals are tax-free, making the inheritance substantially more valuable. If leaving assets is a priority, name your beneficiaries explicitly on every account — don’t rely on a will alone. The beneficiary designation overrides the will for financial accounts and ensures your wishes are carried out without probate.
For the simple two-fund strategy described in this guide — one stock index fund, one bond index fund, automatic monthly investing, annual rebalancing — you genuinely can manage it yourself. The strategy requires one decision (the stock-bond split), one account (Fidelity or Schwab), two funds, and one annual review. That is not complexity requiring professional guidance. Where an advisor adds real value: estate planning that involves trusts or complex beneficiary situations, coordinating RMDs with Social Security timing, navigating large Roth conversion strategies, or managing multiple inherited accounts with different rules. If you do consult an advisor, look specifically for a fee-only fiduciary — someone who charges a flat fee or hourly rate and is legally required to act in your interest, not earn commissions by selling you products. The National Association of Personal Financial Advisors (NAPFA) at napfa.org maintains a searchable directory of fee-only fiduciary advisors nationwide.
This guide is for general educational and informational purposes only. It does not constitute financial, tax, legal, or investment advice, and should not be treated as a substitute for personalized guidance from a qualified financial advisor, CPA, or attorney familiar with your individual circumstances. All investing involves risk of loss, including possible loss of principal. Past performance of index funds and markets is not indicative of future results. RMD rules, IRS regulations, Medicare IRMAA brackets, fund expense ratios, and account policies are subject to change. Always verify current IRS rules at irs.gov and current fund details at each fund company’s official website before making investment decisions. IRA contribution limits and eligibility rules cited reflect current IRS guidance and may change in future years. This content is entirely original. All fund descriptions are factual summaries drawn from public fund prospectuses and company websites; no endorsement of any specific fund or brokerage is implied.