Topic: Insurance · Type: Evergreen · Reading time: ~8 min

Life insurance is one of the most aggressively sold financial products in existence. Agents are trained extensively to create urgency, leverage anxiety, and find a reason — for almost anyone — to buy a policy right now. That context matters when you're trying to figure out whether you actually need one.

The honest answer to whether you really need life insurance is not universal. It depends almost entirely on whether anyone would suffer financially if you died. Get that question right, and everything else becomes relatively straightforward.

The one question that settles it for most people

Life insurance exists for a single purpose: to replace income that someone else would lose if you died. It is not a savings product, an investment account, or a general-purpose financial tool. It is income replacement insurance — and like any insurance, it only makes sense if there is a real financial risk to cover.

Ask yourself honestly: does anyone depend on my income to maintain their financial wellbeing?

That means a partner or spouse who relies on your earnings to cover household costs. Children who depend on you financially. Aging parents or other dependants you support. A co-borrower on a mortgage who couldn't service the debt on their income alone.

If none of those apply to you right now, you almost certainly do not need life insurance at this moment. A single person in their mid-twenties, earning a good salary, with no dependants and no joint financial obligations, has no income that needs protecting on someone else's behalf. The premium is money that would serve them better directed toward an emergency fund, investing, or paying off high-interest debt.

This is not a popular thing for the life insurance industry to say — and they generally don't say it. Most marketing is designed to persuade precisely this demographic to buy now, using arguments about locking in rates while young or protecting future insurability. Those arguments have some merit in the abstract. They are not, on their own, a financial need.

Who genuinely needs life insurance

Parents with dependent children

This is the clearest case for life insurance, and the one it was originally designed for. If you have children who depend on your income, your death creates a real and measurable financial gap. The younger your children and the longer they'll need support, the larger that gap.

A practical starting framework: coverage equal to 10–12 times your annual gross income, held for a term that runs until your youngest child reaches financial independence. A parent earning £45,000 with two young children might target £500,000–£550,000 of 20-year cover. That sum, invested conservatively, can replace meaningful income for many years.

Stay-at-home parents need cover too, even without a salary to replace. The cost of childcare, household management, and other services they provide runs to the equivalent of a full-time salary in many households. If the stay-at-home partner died first, the surviving earner would face substantial ongoing costs on top of grief and full-time work. A policy sized to cover those costs for several years is genuine financial protection — not a nice-to-have.

Couples where one partner is financially dependent

If your household runs primarily on your income — whether your partner earns significantly less, is in full-time education, or has stepped back from work for any reason — your death leaves a real financial problem. Life insurance covers that gap for the period of dependence.

The cover period should reflect how long the dependency is likely to last. A couple where both partners are high earners with substantial investments may need far less coverage than the income-multiple formula suggests. The formula is a starting point, not a binding rule.

Mortgage holders with a financially dependent co-borrower

A mortgage and a partner who couldn't service it alone represents a specific, well-defined risk. If you die and your partner cannot meet the mortgage payments on their income, the options are grim: sell in grief or default. Term life insurance covering at least the outstanding mortgage balance removes that outcome.

One practical note: lender-tied mortgage protection insurance is often materially more expensive than an equivalent term policy bought independently in the open market. It's worth comparing both before assuming the product your mortgage provider offered is competitive.

Single people with specific co-signed obligations

Dying with unsecured debt — credit cards, personal loans — generally does not pass that debt to your family in most jurisdictions. Creditors cannot pursue relatives who weren't co-signatories. However: if a parent co-signed your student loan, or a sibling guaranteed a personal debt, your death makes them solely liable. That specific, bounded obligation is worth covering with a modest term policy.

The type that makes sense for almost everyone: term life insurance

There are two broad categories of life insurance — term and permanent (whole life, universal life, and indexed universal life variants). For most people with a genuine need, term is the right product. The reasons are structural.

Term insurance provides a death benefit for a defined period — 10, 20, or 25 years are common. If you die during that term, the policy pays out. If you outlive it, the cover expires. It is transparent, inexpensive, and does exactly what most people with dependants need: it protects the period of financial exposure.

A healthy 30-year-old in the US can currently purchase $250,000 of 20-year term cover for around $17 per month (Policygenius, 2025). A £500,000 policy in the UK at the same age and health class typically costs £20–35 per month. These are not large sums for meaningful protection during the years when dependants are most exposed.

Permanent insurance — whole life being the most common variant — is guaranteed to pay out eventually. It builds a cash value component alongside the death benefit. It also costs 6–10 times more than equivalent term cover. A 35-year-old seeking £500,000 of protection might pay £30/month in term; the equivalent whole life policy runs £300–600/month.

Worth knowing: 72% of Americans overestimate the cost of basic term life insurance, according to the 2024 LIMRA Insurance Barometer Study — most by 3–5 times the actual premium. This persistent misconception is a significant reason that over 100 million Americans are currently uninsured or underinsured, despite many of them having a genuine financial need for cover.

For a full comparison of how these two product types actually work over time — including what the numbers look like after 20 years — term vs whole life insurance: a plain-English breakdown covers both without a commercial agenda.

When whole life insurance is actually appropriate

Whole life has legitimate uses. They're specific and relatively uncommon.

Large estate planning. If your estate is substantial and asset-heavy — property, a business, significant investment portfolios — your heirs may face a tax liability on inheritance that they cannot settle without liquidating assets. A permanent death benefit provides liquidity at the point it's needed most. This applies to a small minority of households.

Permanent dependants. If you have a child or other dependant who will require financial support for their entire life — due to disability, for example — a term policy that expires is the wrong tool. Permanent dependence is not time-limited; the insurance that covers it shouldn't be either.

Business continuation. Co-owners sometimes use permanent policies to fund buy-sell agreements: if one partner dies, the surviving partner has the liquidity to buy out the deceased's share without forcing a business sale. This is legitimate planning for specific commercial structures.

What whole life is not, for most people, is a superior investment vehicle. The internal cash value growth in most whole life policies runs at 2–4% annually over the long term — materially below the historical return of a low-cost global index fund. The "buy term and invest the difference" argument is regularly contested by industry participants, but the core mathematics are not actually in dispute: over 20–30 years, the premium difference invested in a low-cost index ETF produces substantially more accumulated wealth than the cash value in a whole life policy, for most policyholders, under most market assumptions.

The commission structure is worth understanding openly. Whole life agent commissions typically run 70–110% of the first-year premium, with annual renewal commissions of 2–5% for as long as the policy stays in force. Term life commissions are a fraction of that. Since permanent insurance premiums are 6–10 times higher, the absolute dollar commission on a whole life sale is far larger even before the rate differential. This doesn't make every whole life recommendation wrong — in the right circumstances it is the right product — but it is a structural incentive worth understanding when you receive an unsolicited recommendation for permanent cover. The 5 most common insurance mistakes that could ruin you covers how this dynamic plays out in practice.

How much cover is actually enough

The 10–12x annual income starting point is reasonable for most families. Adjust it based on your situation:

Increase your cover if: your partner doesn't work or earns significantly less than you; your children are young with many years of dependence ahead; you carry a large outstanding mortgage; your household couldn't sustain its current costs on your partner's income alone.

Consider less if: both partners earn comparable incomes; you have significant accumulated savings or investments that would partially offset the income gap; your employer provides group life cover — typically 3–4x salary — that forms a meaningful base layer.

The cover period should match the period of dependence, not the period over which you'd like to feel secure. A 20-year term taken at age 32 with a two-year-old child takes the child to 22 and covers most remaining mortgage years — which is usually about right.

What to do now

If you have dependants and no life cover: get online quotes for term insurance today. It takes fifteen minutes. Don't wait for the perfect policy, the perfect insurer, or the precisely correct coverage amount. Any adequately sized term policy from a financially sound, reputable insurer addresses the genuine risk. Compare two or three quotes — pricing between similarly rated insurers is often modest — and buy the one that makes sense.

If you have no dependants: set this aside and revisit when your circumstances change. The right time to buy life insurance is when someone would genuinely be financially worse off if you died — not before.

If someone has recently recommended a whole life or investment-linked policy: ask them what the same monthly premium invested in a low-cost global index fund would return over the same period, net of all fees. If they can't answer that question clearly and comparatively, you have useful information about whose interests the recommendation was designed to serve.

Life insurance is one piece of a broader coverage picture. For a clear framework on how it fits alongside health, disability, and renters insurance — and what you can sensibly skip — insurance explained simply: what you actually need covers the full picture.