By MILLIE MUROI, Economics Writer
If you’re like me, chances are that during the silly season you indulged in a bit more of the guilty pleasures than usual. I would make a bet though (and hit bingo about 90 per cent of the time) that it wasn’t tobacco that you reached for, but sugary treats – and maybe a bit of alcohol.
The rates at which we tax tobacco might have you thinking that smoking is among the biggest health risks we face. But with the daily smoking rate down to about one in 10 people, it’s things like obesity and diabetes that have grown to become our biggest health problems.
Obesity has tripled in Australia since 1980, and so has diabetes over the past 25 years. In 2022, one in three Australian adults was obese and another one in three overweight, while about one in 20 had diabetes.
And as Grattan Institute health program director Peter Breadon and senior associate Jessica Geraghty have highlighted, one of the heftiest reasons we have such high rates of obesity and type 2 diabetes – which makes up more than 85 per cent of diabetes cases – is that we consume far too much sugar.
You might not realise it, but on average, Australians consume half a kilogram of sugar each week – much of it invisible. That lolly snake or biscuit you reach for in the afternoon might be obvious culprits, but large quantities of sugar also swim around in soft drinks and even savoury products such as pasta sauces and pre-made soups. “Popular drinks such as Solo and Coke have as much as 10 teaspoons of sugar in just one 375-millilitre can,” Breadon says.
Our high sugar consumption puts us at higher risk of diabetes: a disease that contributes to one in 10 Australian deaths, leaves thousands of us sick or with a disability, and costs billions of dollars a year to taxpayers. In 2018, obesity alone was estimated to cost nearly $12 billion in direct health and indirect community costs.
So, what can we do to curb our sweet tooth? Make it more costly. In an ideal world, we could factor in all the health risks and cut back our consumption without the need for additional incentives – or disincentives.
But sugar sneaks around under a bunch of aliases – high fructose corn syrup, glucose or molasses to name a few – making it hard to spot for those hoping to squeeze some of it out of their diet. And it’s easy for us to reach for a sugar hit, sometimes without realising it, kicking the can down the road when it comes to considering the longer-term consequences.
That’s unless we put an upfront price on the damage – a tax on sugary drinks would be a good start. Why? Because sugary drinks make up nearly one-quarter of our daily added-sugar intake – more than any other major types of food. Sugary drinks are also especially harmful because they’re often sunk quickly, cause rapid spikes in blood glucose and insulin, and don’t do much to make people feel full.
Breadon suggests a tiered tax in which drinks with the most sugar would be slugged 60¢ per litre, while low-sugar drinks would face no tax – along with one year’s notice to give manufacturers time to change their recipes.
It’s not an immediate fix for our health problems, but there are promising signs already. More than 100 countries, including Britain, France and Portugal, have sugary drink taxes in place – and they are working.
They make people less thirsty for sugary drinks and they prod manufacturers to pour less sugar into their drinks. Four years after Britain introduced a sugary drinks tax, just one in 12 products had more than eight grams of sugar in every 100 millilitres of liquid – down from one in three before the tax. There have also been studies that show sugary drinks taxes have trimmed obesity among girls, reduced dental decay and cut the number of children having teeth taken out in hospital.
Breadon and his colleagues at Grattan estimate their proposed tax for Australia would reduce the amount of sugary drinks we consume by about 275 million litres a year – enough to fill 110 Olympic swimming pools.
It would mean Australians would ingest nearly three-quarters of a kilogram less sugar each year thanks to manufacturers cutting down their sugar use and consumers opting for the cheaper option: low or no sugar drinks.
Disadvantaged Australians, who are the hardest hit by obesity, would be the biggest winners, Breadon says. And the financial drain on households and the wider industry, including sugar farmers, would be fairly small given about 85 per cent of Australia’s raw sugar is exported.
While the main goal of a sugary drinks tax would be to improve our health, it would also benefit the government’s bottom line (which has suffered in recent years as tax revenue from tobacco has plummeted). If introduced today, Grattan estimates, the sugary drinks tax would raise nearly $500 million in the first year, while also generating savings by reducing the demand for healthcare.
While the government has been helping Australians living with diabetes, including through listing new insulin injections, such as Fiasp, on the Pharmaceutical Benefits Scheme, Health Minister Mark Butler has no plans for a sugar tax.
Shadow Health Minister Anne Ruston has said the Coalition also doesn’t support a sugar tax, saying there were better ways to encourage healthy eating and preventive health, without hurting the hip pockets of families.
While there needs to be other preventive measures in place, such as stronger labelling regulations, a tax on sugary drinks is the cheapest and easiest to implement. The government’s new year resolutions should include the boldness to consider a sugar tax, rather than kicking the drink can down the road.
