Somewhere right now, a person born in 1966 is turning 60. By the end of this year, hundreds of thousands of Australians will join them – the “Class of 1966,” all arriving at the same milestone birthday within months of each other. It’s a fitting moment to pause and consider just how dramatically the world has shifted in the six decades since they were born, and to take an educated guess at what the next twenty years might hold for them.

The world they were born into

If you were born in Australia in 1966, you arrived in a country in the middle of genuine, rapid transformation. On 14 February that year – Valentine’s Day – Australia scrapped pounds, shillings and pence and switched over to dollars and cents, in what remains one of the most smoothly executed government reforms in the nation’s history. The changeover was so significant that an entire advertising campaign, built around a cartoon character called Dollar Bill and a jingle sung to the tune of “Click Go the Shears,” played on televisions and radios across the country for more than a year beforehand.

It was also the year Robert Menzies retired after a record-breaking run as Prime Minister, handing over to Harold Holt, who would himself disappear while swimming near Portsea barely 18 months later. Holt’s government passed the Migration Act 1966, which relaxed restrictions on non-European settlers and began the slow dismantling of the White Australia Policy – a genuinely significant, if underappreciated, turning point in the country’s modern identity. Meanwhile, Australian troops, including the first conscripts, were being sent to an escalating war in Vietnam, a conflict that would come to define much of the decade’s politics.

Around the world, 1966 also gave us the World Cup final (won, memorably and contentiously, by England), the television debut of Star Trek, and the peak of Beatlemania. It was a year before colour television arrived in most Australian lounge rooms, decades before the internet, mobile phones, or the idea that you might carry a small computer in your pocket at all times.

The Class of 1966 also shares its birth year with an unusually starry group of “classmates.” In Hollywood alone, 1966 produced Janet Jackson, Halle Berry, Salma Hayek, Cindy Crawford, Helena Bonham Carter, Patrick Dempsey, Robin Wright, Cynthia Nixon, David Schwimmer, John Cusack, Adam Sandler, Kiefer Sutherland and Rainn Wilson. British chef Gordon Ramsay and former UK Prime Minister David Cameron were also born in 1966, alongside boxer Mike Tyson.

It’s a genuinely remarkable cohort when you line them up – the “Rhythm Nation” icon, the first Black woman to win the Best Actress Oscar, the world’s most recognisable supermodel, McDreamy himself, and a Sherlock Holmes-and-Fight-Club-era Hollywood leading man, all turning 60 within months of each other. If you were born in 1966, this is your generation – proof, if nothing else, that the year produced an unusually enduring group of contemporaries.

How the world has changed by 2026

Sixty years on, almost nothing about daily life looks the way it did at the Class of 1966’s birth.

Communication and technology have arguably changed more than anything else. Someone born in 1966 grew up with landline telephones, letters, and the nightly news as the primary way of understanding the world. They’ve since lived through the introduction of the personal computer, the internet, the mobile phone, social media, and now the rapid rise of artificial intelligence – a pace of technological change with genuinely no historical precedent.

Life expectancy and health have improved substantially. Australians born in 1966 could expect to live into their late 60s or early 70s; today, a 60-year-old Australian can reasonably expect several more decades of life, supported by medical advances that didn’t exist at their birth – routine joint replacements, statins, modern cancer treatments, and a fundamentally different understanding of preventative health.

Work and retirement look entirely different too. The Class of 1966 entered a workforce where a single career, often with a single employer, followed by a fixed retirement age and a defined-benefit pension, was the norm. Many will now work later, retire more flexibly, and rely on a mix of superannuation, the Age Pension and personal savings that didn’t exist in its modern form when they were born (compulsory superannuation itself wasn’t introduced in Australia until 1992).

Social attitudes have shifted enormously as well – around gender roles, LGBTQIA+ rights, multiculturalism and Indigenous recognition, much of it unimaginable to the Australia this generation was born into, where the White Australia Policy was only just beginning to be dismantled.

What the next 20 years might bring

Predicting the next two decades is naturally more speculative than reflecting on the last six, but a few genuine, well-supported trends are already visible.

Longevity science will likely keep extending healthy years, not just lifespan. Research into ageing at a cellular level – rather than simply treating individual diseases as they arise – is a major and growing area of medical research. The realistic expectation isn’t necessarily a dramatically longer maximum lifespan, but a better chance of remaining active, mobile and independent for more of the years you do have.

Artificial intelligence will reshape healthcare, work and daily life again, much as the internet did for this generation in mid-life. Early signs point to AI playing a growing role in early disease detection, personalised medicine, and support for independent living at home for longer – though exactly how quickly and evenly these benefits reach everyday Australians remains to be seen.

Aged care and retirement systems will continue to be reformed, as Australia’s population structure shifts toward a larger proportion of older citizens. Debates over aged care funding, the sustainability of the Age Pension, and how healthcare systems support an ageing population are likely to intensify rather than resolve neatly, given the scale of the demographic shift already underway.

Climate adaptation will become a more visible, practical part of daily life – in housing design, insurance costs, and where and how Australians choose to live – rather than a distant, abstract concern.

Family and social structures will likely continue evolving, with more blended families, more multigenerational households as adult children stay home longer or move back in, and a continued rise in solo living among older Australians, all trends already well underway.

The bottom line

The Class of 1966 has already lived through more sweeping technological and social change than perhaps any generation before it – from a household with a single black-and-white television and a party-line telephone, to a smartphone that can video-call a grandchild on the other side of the world in an instant. If the pace of change over the next 20 years is anything like the last 60, this milestone birthday isn’t a finish line. It’s simply the halfway point of a life that has already reinvented itself more times than most could have predicted back in 1966.