If you've ever felt vaguely guilty about spending an evening on your guitar, your garden, or an elaborate model you'll never display anywhere sensible — this one's for you. Because the research on hobbies is, by the standards of social science, unusually cheerful reading.
We live in a culture that has strong feelings about productivity. Time that isn't generating output — money, skills, status, something measurable — has a tendency to feel wasted. Hobbies sit awkwardly in that worldview. They're not efficient. They don't scale. They rarely produce anything you'd put on a CV.
And yet the data keeps suggesting they matter more than almost anything else you could be doing with your evenings.
What the research actually says
In 2023, a team from University College London published one of the largest studies on hobbies and wellbeing ever conducted. They pooled data from 93,263 people across 16 countries, tracking them for between four and eight years. The finding was consistent across every country in the study — Spain, Denmark, Japan, China, the US, and a dozen European nations:
Source: Mak et al. (2023), Nature Medicine — Hobby engagement and mental wellbeing among people aged 65 years and older in 16 countries
Those results held after controlling for income, employment, and whether people were partnered. Having a hobby wasn't just a proxy for having a comfortable life — it was contributing something independently. The effect showed up in Spain (where only 51% of participants reported having a hobby) and Denmark (where 96% did) alike.
A 2025 scoping review that synthesised 11 studies from the past decade found three themes running consistently through the literature: lower depression, anxiety, and stress; better quality of life and overall wellbeing; and stronger social connections. Not bad for an activity that doesn't require a prescription or a gym membership.
But is it the hobby, or just the free time?
Fair question. If you have time for hobbies, you presumably have some leisure time — and leisure itself is associated with better mental health. So how much of the benefit is the specific activity, versus simply not working?
Researchers have looked at this. The UCL study found the hobby association held even after accounting for total leisure time. And a study tracking 3,725 US adults during the COVID-19 pandemic found that increases in time spent on specific creative hobbies — gardening, arts and crafts, DIY — were linked to improvements in depression and anxiety, independently of total time at home. (And there was, during 2020, no shortage of total time at home.)
In other words: it's not just that happy people happen to have hobbies. Picking up the hobby appears to do something — even when you control for what else is going on in someone's life.
The researchers are careful about causality — you can't run a randomised trial where some people are assigned to take up woodworking and a control group isn't. But the consistency across countries, age groups, and study designs is hard to dismiss.
Your brain on hobbies
The cognitive case is similarly compelling. A 2025 study across 24 countries and 50,000+ adults found that hobby participation was linked to better memory, better global cognitive function, and slower cognitive decline — and that more consistent, long-term engagement produced the greatest benefit. Occasionally picking up a hobby on holiday isn't quite the same as making it a genuine part of your week.
A Japanese study of 50,000 adults over 65 found that dementia risk went down as the number of hobbies went up. Not one specific hobby — more hobbies in general, because different activities engage different cognitive systems.
Creative activity data: American Psychiatric Association poll, 2023, via UCLA Health. Cognitive data: ScienceDirect, 2025.
Part of what's happening here is that hobbies provide something modern life is surprisingly short on: a self-chosen challenge with a clear feedback loop. You try a thing, you see the result, you get slightly better. The brain finds this genuinely satisfying in a way that refreshing your inbox does not.
How much time do people actually spend on hobbies?
Given all of the above, you might expect people to be devoting large chunks of their week to activities they love. They're not. According to US Bureau of Labor Statistics data for 2023:
| Activity | % who did it on a given day | Avg hours (on days they participated) |
|---|---|---|
| Sport, exercise, or recreation | ~20% | 1.4 hours |
| Reading for pleasure | ~19% | 1.6 hours |
| Arts and entertainment (non-sport) | ~6% | 2.65 hours |
| Volunteering | ~5% | 2.1 hours |
| Lawn and garden care | ~9% | 2.0 hours |
The key phrase in those numbers is "on days they participated" — which implies a lot of days they didn't. A CivicScience survey found that 60% of people with hobbies spend fewer than 5 hours a week on them. When asked why they don't spend more time on the things they love, the answers were, predictably: work, family, and not enough energy.
Notably, the people who reported being most stressed were also the most likely to have hobbies at all — which suggests people are reaching for them as an outlet, even if not as often as they'd like.
The guilt problem
Here's the part nobody talks about: even when people do have hobbies, a lot of them feel vaguely bad about it. There's a persistent cultural idea — especially in professional circles — that time spent on something "unproductive" is time wasted. If it doesn't generate income, build a useful skill, or at minimum produce something worth posting, it can feel hard to justify.
This framing deserves a firm pushback. The research doesn't show that hobbies are valuable despite not being productive. It shows they're valuable partly because they aren't. The self-directed, intrinsically motivated, no-performance-review nature of hobby time is doing a lot of the heavy lifting.
When you knit a scarf, no one is grading it against quarterly targets. When you grow tomatoes, the tomatoes don't care about your KPIs. That freedom — to do something purely because you want to — is rarer in adult life than it should be. The data suggests the brain notices.
There's also a quantity point worth making. Thirty minutes of guitar on a Tuesday evening isn't coming at the expense of sleep, work, or your family. But over a lifetime, those thirty minutes — consistent, repeated, genuinely enjoyed — add up to something more meaningful than the same time spent scrolling.
See where your time actually goes
Our free calculator shows your day, your year, and your lifetime — and lets you model what happens when you shift even small amounts of time toward the things you actually want to do.
Try the calculator →A few practical notes
If you're sold on hobbies in theory but struggling to fit them in practice, the research offers a few clues about what helps:
- Consistent beats intensive. The cognitive benefits in particular seem to come from regular, sustained engagement over time rather than occasional deep dives. A little, often, beats a lot, rarely.
- Social hobbies compound the benefit. UCLA Health notes that group hobbies add the benefits of social connection — reduced loneliness, better sleep, less inflammation — on top of what the hobby itself is doing. The pottery class over the pottery YouTube tutorial, in other words.
- Variety has a point. The dementia research suggests that multiple hobbies provide more protection than one, because different activities engage different systems. A physically active hobby and a mentally stimulating one are doing different things, and both are useful.
- It doesn't need to cost much. The CivicScience data found many people spend essentially nothing on hobbies — learning from free online resources, low-cost materials. The expense anxiety around hobbies is real but often overstated.
The bottom line
If you've been treating your hobbies as something to get to eventually — once things calm down, when you've properly earned the downtime — the research suggests you have the logic backwards. The hobbies aren't the reward for a well-managed life. They're part of what makes a life well-managed in the first place.
Ninety-three thousand people across sixteen countries didn't all coincidentally happen to be healthier and happier because they enjoyed their evenings. There's something real going on. Whatever it is you do for no particular reason — keep doing it.