Your Grandparents Are More Active Than You, Study Says

Here is an unpopular opinion: the average person in their seventies is more active than you. Not fitter in the abstract, not healthier on paper — literally moving around more every single day. A study out of Singapore, announced on September 14, 2026, put wearable trackers on nearly two thousand adults and found that university students in their twenties logged less daily movement and more sitting than community-dwelling adults in their seventies.

The research came from the Centre for Sleep and Cognition at the NUS Yong Loo Lin School of Medicine, and it was published in the journal BMC Medicine after analyzing four weeks of continuous Oura Ring data from 1,967 adults across three groups: students with a mean age near twenty, working adults near forty-one, and older adults near seventy-four. Students averaged only 320 minutes of daily physical activity, compared with 347 minutes for working adults and 420 minutes for the oldest group. In other words, seventy-four-year-olds are more active than you by a wide margin — and the gap is measured, not guessed.

The sitting numbers tell the same story in reverse. Students logged the most sedentary time at 634 minutes a day, or more than ten and a half hours, versus 581 minutes for working adults and 501 minutes for older adults. Students also set aside the least time for sleep, about 432 minutes daily, compared with 446 minutes for working adults and 456 minutes for older adults — though the oldest group had the most fragmented sleep, so their actual rest was the shortest of all.

Why Seventy-Year-Olds Are More Active Than You

What makes the finding sting is the pattern behind it. As reported by Medical Xpress, older adults kept moving consistently through the day on weekdays and weekends, while students’ weekday activity was mostly squeezed into the transitions between classes — and dropped by roughly half an hour more on weekends, when classes were not even an excuse. That steady routine is one reason seventy-year-olds are more active than you without even trying. Working adults sat in the middle, with activity bunched around commuting and lunch breaks on weekdays.

According to the NUS announcement, the study’s first author, Dr Ju Lynn Ong, points to academic schedules, digital lifestyles, and the growing convenience of food delivery and ride-hailing as forces pushing a demographic that should biologically be at its most active into an unprecedented level of sitting still. The unpopular take practically writes itself: young people are not out-exercised by their grandparents because aging is kind to the old. They are out-moved because modern campus life makes it easy to go an entire day without needing to move. The uncomfortable truth is that youth stopped being enough: seventy-year-olds are more active than you because they never outsourced their walking to an app.

This Is Not Just a Singapore Story

The same generational reversal has shown up before. As reported by StudyFinds, Johns Hopkins researchers analyzing federal NHANES data from more than twelve thousand Americans found that physical activity falls so sharply during adolescence that by age nineteen, teens were as sedentary as sixty-year-olds. The study’s senior author described the activity levels at the end of adolescence as alarmingly low — and that analysis used data collected two decades ago, long before food delivery apps and all-day screen culture.

Some caution is fair. The Singapore findings are observational, drawn from one city, and everyone in the study chose to wear a ring tracker, which may skew the sample. But the researchers themselves treat it as a starting gun, not a final word: Dr I-Min Lee of Harvard Medical School said the team should be commended for mapping these disparities, calling it an important first step toward understanding where interventions should focus. Meanwhile the stakes are enormous — physical inactivity costs healthcare systems an estimated 53.8 billion dollars a year worldwide on a purchasing-power-parity basis, with Singapore’s share estimated at 201 million dollars.

That cost figure is why the study’s senior author, Professor Michael Chee, says public health messaging has to change. For decades, activity campaigns have focused on preserving mobility and independence in older adults. Chee’s message is blunt: that focus needs to be broadened — and urgently — to the young adults now embedding sedentary habits earlier in life, because the cumulative health damage will compound for decades. His point lands harder against the data: seventy-year-olds are more active than you, and that gap is a design choice, not destiny. Read plainly, it is the study’s own unpopular opinion: the retirement community is doing fine. The campus needs the intervention.

How to Be More Active Than You Are Now

The good news is that the fix the researchers found is almost embarrassingly small. Using a method that treats activity, sitting, and sleep as competing pieces of the same twenty-four-hour day, the team found that shifting just thirty minutes of sitting into any kind of movement — even light walking — was linked to measurable improvements across markers of obesity and arterial stiffness. Co-first author Dr Shuo Qin noted that these markers are precursors to cardiovascular disease and metabolic dysfunction, so the payoff of small changes is outsized.

For students, that means the goal is not a gym membership but breaking up the sitting blocks: walking between lectures instead of scrolling, taking stairs, pacing on phone calls. And it fits a growing body of evidence that brief everyday movement punches above its weight — as previously covered on GenZ NewZ, even a few minutes of brisk bursts like hurrying for a train or climbing stairs can meaningfully cut diabetes risk. Small, frequent motion beats heroic, occasional workouts — and it is exactly how you end up more active than you are today, one reclaimed half-hour at a time.

So here is the unpopular opinion, restated with receipts: being young is not a fitness plan. The data says people fifty years your senior are more active than you, they sit less, and they keep moving on weekends when you do not. If the seventies can out-move the twenties, then the only thing standing between you and better cardiometabolic health is half an hour of sitting traded for walking — a deal the oldest adults in the study are already taking. More on this beat: Unpopular Opinion.