Many savers may be missing out on significantly higher returns by sticking with traditional savings accounts, according to guidance shared by consumer finance expert Martin Lewis. Speaking on his BBC podcast, he highlighted a common mistake that could cost individuals thousands of pounds over time.
His comments were made in response to a question from a parent looking to build long-term savings for a child. The discussion offers a broader insight into how different financial choices can shape outcomes, particularly when saving over many years.
Context
The discussion began with a question about junior ISAs, which are tax-free accounts designed to help parents save or invest for their children. These accounts allow money to grow without tax on interest or investment gains.
While many people focus on cash savings within these accounts, Martin Lewis noted a consistent pattern. Most savers tend to prioritise cash options rather than considering investment-based alternatives.
This, he suggested, may limit long-term growth potential.
Trend
A key concern raised was the preference for savings accounts over investments, even when the money is intended for long-term use.
According to Lewis, data from his platform shows that most users searching for junior ISA options are looking for the best cash interest rates rather than investment opportunities.
This trend is notable because the purpose of accounts like junior ISAs is often long-term wealth building, where investment strategies may offer greater potential returns.
Comparison
To illustrate the difference, Lewis shared historical examples comparing savings accounts and investment funds over a ten-year period.
| Option | Growth on £1,000 (10 years) |
|---|---|
| Savings account | £270 |
| Inflation target | £390 |
| Global tracker fund | £1,980 |
| S&P 500 fund | £3,790 |
The figures show that, in this example, investing in a broad stock market index could have generated more than £3,500 additional returns compared to holding cash in a savings account.
This comparison highlights the scale of difference that can emerge over time.
Insight
The key takeaway is not that savings accounts are ineffective, but that they serve a different purpose. Savings accounts offer stability and easy access, while investments carry risk but may provide higher long-term growth.
Lewis emphasised that, over extended periods, a diversified investment approach has historically outperformed cash savings. However, this comes with variability, as investment values can rise and fall.
Risk
It is important to note that past performance does not guarantee future results. Market conditions can change, and there is no certainty that similar returns will be achieved in the future.
Lewis acknowledged this directly, stressing that investment outcomes are not predictable. Even widely followed indices such as the S&P 500 may not always deliver strong performance.
This uncertainty is a key factor individuals must consider before choosing to invest.
Strategy
For long-term goals, such as saving for a child’s future, Lewis suggested that stocks and shares ISAs may be more suitable than cash accounts.
The reasoning is straightforward. When money is set aside for many years, it has more time to absorb market fluctuations and benefit from potential growth.
However, he also offered a clear guideline:
- only invest money you will not need for at least five years
This timeframe allows investments the opportunity to recover from short-term volatility and potentially deliver stronger returns.
Balance
Choosing between savings and investments is not necessarily an either-or decision. Many individuals may benefit from a balanced approach.
For example:
- savings accounts can be used for short-term needs or emergency funds
- investments can be used for long-term goals
Knowing the purpose of each option can help in making more informed financial decisions.
Application
For parents considering junior ISAs, the choice between cash and investments depends on their risk tolerance and time horizon.
A child’s savings account, which typically remains untouched for up to 18 years, may provide a longer window for investment growth. However, the decision should still reflect comfort with potential market fluctuations.
Perspective
The warning about a potential £3,500 difference is not a guarantee of missed gains, but rather an illustration of how financial choices can influence outcomes over time.
It serves as a reminder to review savings strategies and consider whether current approaches align with long-term goals.
In the end, the most effective approach depends on individual circumstances, including financial needs, risk tolerance, and investment horizon.
FAQs
What is a junior ISA?
A tax-free account for children’s savings.
Why are investments higher risk?
Their value can rise and fall over time.
How much more can investments earn?
Potentially thousands more over time.
Is investing always better than saving?
Not always, it depends on goals.
