How much do you need in an ISA to generate a passive income of £2,050 a month in 2050?

Harvey Jones shows how regular long-term investing in FTSE 100 shares can turn £400 a month into a passive income of more than five times that amount.

| More on:

You’re reading a free article with opinions that may differ from The Motley Fool’s Premium Investing Services. Become a Motley Fool member today to get instant access to our top analyst recommendations, in-depth research, investing resources, and more. Learn More.

Image source: Getty Images

A Stocks and Shares ISA is a highly efficient way to build long-term wealth and a tax-free passive income for retirement. Capital gains and dividends within the wrapper are free from tax for life, with no requirement to report them to HMRC.

The real charm of equity investing emerges over time, as share price growth and reinvested dividends compound over the years. Even modest regular contributions can accumulate into substantial sums, given a decade or two.

Dividends and growth

Please note that tax treatment depends on the individual circumstances of each client and may be subject to change in future. The content in this article is provided for information purposes only. It is not intended to be, neither does it constitute, any form of tax advice. Readers are responsible for carrying out their own due diligence and for obtaining professional advice before making any investment decisions.

To generate a target income of £2,050 a month by 2050 isn’t an overnight job. But it’s worth trying, as that adds up to a pretty handy £24,600 a year. Using the widely cited 4% withdrawal rule, a portfolio of around £615,000 would deliver that income without touching the capital.

Let’s consider a 41-year-old investor with an existing ISA balance of £30,000. If they paid in £400 a month, and increased that by 3% every year, they’d blast through that target to have a portfolio worth £643,900 by 2050. This assumes an average annual total return of 7%, with dividends reinvested. These are crude figures but demonstrate how consistent, disciplined investing can achieve long-term goals. Equity returns are never guaranteed, of course.

Investors may track the FTSE 100 broadly, but building a portfolio of individual stocks can deliver superior returns. One I think is worth considering right now is Asia-focused banking giant HSBC Holdings (LSE: HSBA).

HSBC shares are strong right now

An investment in HSBC over the past decade, with all dividends reinvested, would have delivered a total return of around 245%. The shares are still racing along, up 44% in the last 12 months, plus a 4% trailing dividend yield. As a result of its success, the stock’s more expensive than it was, with the price-to-earnings ratio slightly above 14. Yet I still think it remains capable of generating substantial income and capital growth over the long term.

HSBC has a strong record of rewarding shareholders through both dividends and share price growth. It’s also offered generous share buybacks, although these have been paused for nine months, as it needs the money to buy out minority investors in Hong Kong’s Hang Seng Bank.

HSBC earns more than half its revenues from Asia, which gives it a massive growth opportunity. However, this also increases risk, especially as US-China tensions rise.

There are other threats. Higher interest rates have allowed all the banks to widen their net interest margins, but that trend will reverse as rates retreat. Banking is cyclical, with higher credit losses and reduced loan demand during economic downturns.

This is why diversifying across a balanced portfolio of shares and sectors remains essential. Over time, this approach can produce a high and rising passive income in retirement. All tax free inside a Stocks and Shares ISA, of course.

HSBC Holdings is an advertising partner of Motley Fool Money. Harvey Jones has no position in any of the shares mentioned. The Motley Fool UK has recommended HSBC Holdings. Views expressed on the companies mentioned in this article are those of the writer and therefore may differ from the official recommendations we make in our subscription services such as Share Advisor, Hidden Winners and Pro. Here at The Motley Fool we believe that considering a diverse range of insights makes us better investors.

More on Investing Articles

A senior man and his wife holding hands walking up a hill on a footpath looking away from the camera at the view. The fishing village of Polperro is behind them.
Investing Articles

ISA or SIPP? Here’s 1 advantage and 1 disadvantage of both

SIPPs and Stocks and Shares ISAs both have potentially attractive features, as well as downsides. Christopher Ruane looks at some…

Read more »

Portrait of pensive bearded senior looking on screen of laptop sitting at table with coffee cup.
Investing Articles

£1,000 invested in Lloyds shares 6 weeks ago is now worth…

Lloyds shares have been on a huge run in the last couple of years. But is a 15% pullback in…

Read more »

Man smiling and working on laptop
Investing Articles

After the FTSE 100’s slump, these bargain shares are calling!

Are you on the lookout for top cheap stocks to buy? Royston Wild reveals three FTSE 100 value shares he's…

Read more »

Man hanging in the balance over a log at seaside in Scotland
Investing Articles

Worried about a stock market crash? Here are 2 things you should know

A stock market crash may look plausible, but it’s far from a done deal. Still, if markets do wobble, I…

Read more »

piggy bank, searching with binoculars
Investing Articles

This FTSE 100 stock soared 900% — but after a 25% crash, is the rally over?

After blowing away the FTSE 100 in 2025, this miner has hit turbulence in 2026 — Andrew Mackie investigates what’s…

Read more »

A senior man and his wife holding hands walking up a hill on a footpath looking away from the camera at the view. The fishing village of Polperro is behind them.
Investing Articles

How much do I need in an ISA for a £700 second income?

Investing in dividend shares can be a great way to target a second income from a Stocks and Shares ISA.…

Read more »

Businessman with tablet, waiting at the train station platform
Investing Articles

If there’s a stock market crash this week, will you be ready?

Christopher Ruane explains why he's not phased by the inevitability of a stock market crash -- but is actively preparing…

Read more »

Mindful young woman breathing out with closed eyes, calming down in stressful situation, working on computer in modern kitchen.
Investing Articles

£15,000 invested in Diageo shares 3 weeks ago is now worth…

Bad times for Diageo shares! The last three weeks have seen yet another drop, but is this a time to…

Read more »