Life Annuities: What They Are, How They Work and When They May Make Sense

Life annuities turn accumulated savings into lifelong income, but at the cost of lower liquidity, flexibility and growth potential.

Rentas vitalicias: qué son y cuándo tienen sentido. Life annuities: what they are and when they make sense. Rentes viagères : ce qu’elles sont et quand elles ont du sens. Rendite vitalizie: cosa sono e quando hanno senso. Rendas vitalícias: o que são e quando fazem sentido. Leibrenten: Was sie sind und wann sie sinnvoll sind.

Lucía Hernández

21 June 2026

8 min read

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As retirement approaches, one of the most important questions shifts from how to keep accumulating wealth to how to turn that wealth into stable and sustainable income over time. In that context, life annuities often come into play, a well-known product that is not always well understood.

Understanding what a life annuity is, how it works and in which cases it may make sense helps determine whether it fits within a retirement strategy or whether there are more suitable alternatives depending on each person’s profile, available liquidity and objectives. Because a life annuity does not eliminate risk, but it does change its nature: it reduces uncertainty about how long the income will last, in exchange for sacrificing liquidity, flexibility and part of the capital’s growth potential.

What Is a Life Annuity and What Is It For?

A life annuity is a product through which a person transfers a capital amount – usually to an insurance company – in exchange for receiving a periodic income for the rest of their life, regardless of how long they live.

Its main purpose is not to maximise returns, but to secure lifelong income. From a wealth management perspective, it serves to transform accumulated savings into a predictable source of income, reducing the risk of running out of resources at an advanced age. That is why it is usually considered more as a decumulation or retirement planning tool than as an investment in the strict sense.

How a Life Annuity Works

The mechanics are relatively simple. The holder contributes an initial capital amount and, from that point on, begins to receive a periodic income – monthly, quarterly or annually – for as long as they live.

The amount of that income depends on several factors:

  • the age at the time of taking out the product,
  • the capital contributed,
  • the contract terms,
  • and any additional coverage included.

Here it is worth understanding an important idea: a life annuity is an actuarial contract. This means that the product is designed based on life expectancy estimates. Someone who lives longer may end up receiving, in total, significantly more than they contributed. Someone who dies earlier, however, may leave less residual value, unless they have taken out additional guarantees for heirs or specific reversion clauses, which normally reduce the amount of the income.

It should also be borne in mind that, once the product has been taken out, the capital transferred is no longer available in most cases. This loss of liquidity is one of the product’s most important features and one of the reasons why it does not suit everyone.

Advantages of Life Annuities

The main advantage of a life annuity is not so much “return” as certainty over income. It provides a periodic income for life, regardless of market performance or the actual length of retirement.

This can be highly valuable for people who:

  • want to secure a floor of income,
  • prefer to reduce the complexity of managing their wealth,
  • or prioritise peace of mind over additional capital growth.

Another relevant advantage is its tax treatment, which in general terms may be favourable compared with other forms of receiving income, as the entire income received is not usually taxed, but only a specific portion according to the applicable regulations and the age of the beneficiary when the product is taken out. Even so, each individual case should be reviewed and decisions should not be made based on tax considerations alone.

In addition, a life annuity can be useful for reducing the weight of financial decisions at a stage when many people prefer less management and more predictability.

Drawbacks and Risks of Life Annuities

The main drawback of a life annuity is the loss of liquidity. Once the capital has been contributed, it is no longer available or its recovery is highly limited. This reduces the ability to react to unforeseen events, changes of plan or new wealth-related needs.

There is also an opportunity cost. If that capital had remained invested in other assets with greater flexibility or return potential, the life annuity may prove less efficient from a financial perspective, especially if it is taken out too early or with an excessive portion of one’s wealth.

Another important risk is inflation. If the income is fixed, the nominal amount may remain stable for years, but its purchasing power may deteriorate considerably over time. In a long retirement, this is particularly relevant: an income that seems comfortable today may be much less sufficient ten or fifteen years from now.

Finally, it is important to properly understand the actuarial logic of the product. A life annuity works precisely because it mutualises longevity: it protects against the risk of living longer than expected, but in exchange it may leave less residual value if death occurs earlier.

When a Life Annuity May Make Sense

A life annuity may make sense when the main objective is no longer so much to grow wealth as to secure stable income for the rest of one’s life.

It usually fits best when:

  • retirement is approaching or has already arrived,
  • there is sufficient wealth outside the life annuity to maintain liquidity,
  • the priority is to reduce financial uncertainty,
  • and the goal is to secure a relatively stable income stream without needing to continue managing investments actively.

It may also make sense as a partial component of the strategy, not as a single solution. In other words, converting only part of the wealth into a guaranteed income while keeping the rest invested with greater flexibility.

When It May Not Be the Best Option

A life annuity usually makes less sense when:

  • liquidity is still needed,
  • the wealth horizon remains long,
  • the investor has risk tolerance and seeks capital growth,
  • or a significant portion of the wealth is already tied up in other assets.

Nor is it usually the ideal option for those who want to retain decision-making capacity over their wealth or for those who value leaving greater flexibility to their heirs.

In such cases, other tools may be more suitable, at least during the wealth accumulation or consolidation phase.

How to Fit a Life Annuity into a Broader Wealth Strategy

Comparing a life annuity with other alternatives – such as investment funds, pension plans or real estate investment – requires starting from a key idea: they do not serve the same function.

A life annuity prioritises income stability and the reduction of uncertainty. Other tools tend to focus more on:

  • liquidity,
  • flexibility,
  • wealth growth,
  • or a combination of income and appreciation.

That is why the right comparison is usually not “which product is better”, but what role each one plays within the overall wealth structure.

Life Annuities and Real Estate Investment: They Do Not Compete, They Serve Different Functions

The contrast with real estate investment is particularly interesting here. A property can generate rental income and, in addition, maintain a tangible asset with appreciation potential. But it also requires management, entails market risk, may require renovations or involve incidents, and does not guarantee lifelong income.

A life annuity, by contrast, sacrifices flexibility and growth potential in exchange for certainty over the income stream.

That is why life annuities and real estate investment do not have to be mutually exclusive. In fact, they can complement each other quite well if they are understood as tools for different moments in the wealth cycle.

During the accumulation phase, real estate investment formulas such as those offered by Urbanitae can help keep capital invested in assets with the potential to generate income or growth. Later on, when the objective shifts from accumulating wealth to turning wealth into stable income, a life annuity may make more sense for part of the capital already built up.

Seen this way, they do not compete with each other: real estate investment can help build wealth over the years, while a life annuity can serve to secure lifelong income when the aim is to reduce risk, complexity and the need for management.

Annuities: Are they right for you now?

A life annuity is not a product designed for those seeking maximum returns or for those who want to retain full flexibility over their wealth. It is, above all, a tool for transforming part of accumulated savings into income certainty.

It can make a great deal of sense as the final component of a well-built strategy, especially when the priority is no longer to grow capital, but to secure financial stability during retirement. But it also has clear costs: illiquidity, reduced ability to adapt and the risk of losing purchasing power due to inflation.

That is why, rather than asking whether a life annuity is good or bad in abstract terms, it is more useful to ask: what problem does it solve within your wealth structure, and is that the problem you really need to solve now?

Sobre el autor

Lucía Hernández

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Lucía Hernández es licenciada en Periodismo y Humanidades por la Universidad Carlos III de Madrid. Con experiencia en medios digitales, marketing y comunicación, colabora con Urbanitae escribiendo sobre inversión, educación financiera y mercado inmobiliario. También puedes leerla en la revista Elle, donde cultiva otra faceta de su mirada periodística. Le interesan las historias bien contadas, ya sea en un artículo, en un libro o en una buena conversación.

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