Turning £20,000 into £11,938 a year – or £994 a month – in passive income might seem ambitious. And while it’s not straightforward, it’s absolutely possible in the stock market.
Owning shares in companies that distribute their earnings as dividends can be a great way to earn extra cash. And one of the best demonstrations of this comes from Warren Buffett.
Warren Buffett and Coca-Cola
In 1994, the great man’s investment vehicle, Berkshire Hathaway, owned 400m shares in Coca-Cola (NYSE:KO), with a market value of $1.3bn. In 2024, that investment returned dividends of $776m (before tax).
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That’s almost 60% of the cash Buffett initially invested. Put another way, it’s the equivalent of earning £11,938 on a £20,000 investment – and the annual distributions just keep growing.
The most impressive thing, in my view, is that Berkshire hasn’t used any of the cash it has received to buy more Coca-Cola shares. The dividends have gone up by themselves.
Buffett’s a skilled investor, but this particular example’s only partly about that. It’s also about the value of waiting, being patient, and holding on to stocks for the long term.
Finding the right stocks
Buffett’s success has been the result of Coca-Cola being able to increase its dividend every year. But investors should note that the rate of growth has been slower over the last 10 years.
Coca-Cola dividends per share 2004-24
Created at TradingView
Since 2014, the company’s dividend increases have typically been between 2% and 6%. But between 2004 and 2014, they were more in the 7-11% range.
That makes a difference to anyone getting started today. And while I think a lot of investors underestimate Coca-Cola’s prospects, I suspect a return to 10% dividend growth’s unlikely.
As a result, I’d look elsewhere for a stock that can increase its dividends for the next 30 years. And the most obvious candidate to me is a constituent of the FTSE 100.
Diageo
Diageo’s (LSE:DGE) facing a barrage of challenges at the moment. These include weak macroeconomic conditions in certain markets and the possibility of trade tariffs in the US.
As a result, the stock’s trading with an unusually high dividend yield. For the first time since around 2015, investors who buy the stock today start with a 3.3% return.
Diageo dividend yield 2014-24
Created at TradingView
From there, it’s about growth – to match Buffett’s result, Diageo’s dividend needs to grow by 10% a year for 30 years. That’s a big ask, but the company’s in a strong competitive position.
Consumer tastes might evolve, but Diageo’s scale means it can make acquisitions to stay on trend. That’s been the key to its success so far and I think it looks like a durable advantage.
Dividend growth
As Buffett says, the best companies are ones that can increase their earnings – and dividends – without needing more cash. Coca-Cola’s a great example.
I think Diageo’s a similar type of business. And with the stock unusually cheap, I’ll be looking to add to my stake in November.
