Ikigai in Japan vs. the Western Version: What the Research Actually Means

Two Versions That Are Not Quite the Same

The distinction immediately changes the conversation.

If someone enjoys gardening, looks forward to seeing grandchildren, feels useful in a volunteer role, or values a weekly gathering with friends, none of those experiences needs to become a career or satisfy four intersecting categories to matter.

For researchers studying Japanese older adults, ikigai can encompass precisely these kinds of everyday sources of meaning.

What Japanese Studies Call Ikigai

There is no perfect English translation.

Japanese gerontology researchers have noted that the word may overlap with “reason for living,” “self-actualization,” “meaning of life,” and “purpose in life.”

That ambiguity creates a scientific challenge.

If one study asks whether participants “have ikigai” and another uses a multi-item psychological scale, they are not necessarily measuring exactly the same construct.

Researchers therefore need to be cautious when combining ikigai studies with the much larger Western literature on “purpose in life.”

The concepts overlap. They are not automatically interchangeable.

This also means that a headline such as “ikigai makes you live longer” is much stronger than the evidence allows.

What Happens When Ikigai Is Followed Over Time?

One particularly useful study examined Japanese adults aged 65 and older using nationwide longitudinal data.

Researchers analyzed two samples containing 6,441 and 8,041 participants and examined whether having ikigai at baseline was associated with later physical health, health behaviors, psychological well-being, social well-being and prosocial behaviors.

Three years later, ikigai was associated with several favorable outcomes, including lower likelihood of depressive symptoms and functional disability and higher likelihood of happiness and social participation.

This is stronger evidence than a simple snapshot because the researchers measured ikigai before later outcomes.

It still does not establish that ikigai caused those outcomes.

People who begin a study with better health, stronger relationships, greater financial security or other advantages may also be more likely to report that their lives feel meaningful.

Researchers adjust statistically for many differences, but observational studies cannot remove every alternative explanation.

The Mortality Evidence Is Large—but Still Observational

Ikigai has also been studied in much larger Japanese cohorts.

The Ohsaki Study followed 43,391 Japanese adults for seven years. Participants were asked whether they had ikigai in their lives.

During follow-up, 3,048 participants died.

After statistical adjustment, people who reported no ikigai had a higher risk of all-cause mortality than those who reported having it. Associations were also observed for cardiovascular and external-cause mortality.

Another large Japanese cohort included more than 73,000 adults aged 40 to 79 and similarly examined ikigai in relation to mortality.

These studies are important because of their size and longitudinal design.

But they still cannot prove:

Find ikigai → live longer.

Ikigai may influence behaviors, social participation, psychological well-being or motivation. At the same time, healthier people may be more capable of participating in activities that give life meaning.

The relationship may operate in both directions.

A U.S. Study Finds a Similar Pattern

Purpose has also been studied outside Japan without using the cultural concept of ikigai.

A 2019 study in JAMA Network Open analyzed 6,985 U.S. adults older than 50 participating in the Health and Retirement Study.

During follow-up, lower purpose-in-life scores were associated with higher all-cause mortality. The researchers adjusted for numerous health and psychological variables and performed additional analyses addressing possible reverse causation.

The association remained.

Again, association is not proof of causation.

What makes the result interesting is that a related pattern appears in a very different cultural population using a Western psychological measure of purpose.

That suggests the health literature is not entirely dependent on the Japanese concept of ikigai.

But it does not mean the two constructs are identical.

Health, Hobbies, Relationships—or One Grand Mission?

Here the Japanese evidence becomes particularly useful.

A study involving community-dwelling Japanese adults 65 and older examined hobbies and purpose in life together. Participants who reported neither hobbies nor purpose had worse outcomes for mortality and functional decline than those reporting both.

More recent research asking Japanese older adults about their sources of ikigai has also found something that does not fit neatly into the Western four-circle diagram.

Sources included health, relationships, contribution, accomplishment, personal growth, leisure, hobbies and friendships.

For older adults in that study, satisfaction with discretionary social activities—such as leisure, hobbies and friendships—was more closely related to ikigai than traditional roles such as work and family.

That is a significant distinction.

A retirement that removes paid employment does not necessarily remove ikigai.

Nor does ikigai require replacing a career with another ambitious mission.

Meaning may come from something considerably smaller and more ordinary.

What About Physical Health?

Researchers are beginning to investigate outcomes beyond mortality.

A prospective Japanese study of adults aged 70 and older followed participants for 11 years. Those reporting ikigai had a lower adjusted risk of developing functional disability than participants who did not report it.

A 2025 study also found an association between ikigai and lower incidence of frailty during five years of follow-up among older Japanese women.

These findings expand the research beyond the vague claim that “purpose is good for you.”

They also raise more questions.

Does ikigai encourage physical activity and social participation? Does better health make it easier to maintain ikigai? Are inflammatory or stress-related pathways involved? Do social relationships mediate part of the association?

Research is still working through these pathways.

The Western Version Is Not Useless

The four-circle framework can still function as a reflection exercise.

Asking what you enjoy, what skills you possess, how you contribute and how work fits into your life may reveal useful information.

The problem begins when that framework is presented as the Japanese method of ikigai or when its four categories are treated as scientifically validated ingredients for longevity.

They are neither.

For someone reconsidering life after retirement, caregiving, bereavement, a career transition or changing health, the original concept may actually be more liberating than the Western version.

You do not necessarily need to discover a new profession.

You do not need one defining mission.

And your source of meaning does not have to impress anyone else.

“What resonates with me most is how ikigai, in its original Japanese sense, feels much closer to real life than the Western four-circle diagram. In my experience, meaning rarely comes from one grand mission or a perfectly balanced formula. It grows from the small things we choose to nurture — the routines that give our days structure, the relationships that make us feel seen, the hobbies that keep us curious, and the moments that make tomorrow feel worth anticipating. I’ve watched people rediscover purpose not through dramatic reinvention, but through reconnecting with ordinary sources of joy and usefulness. And as we age, ikigai becomes less about achievement and more about continuity, contribution, and belonging. To me, the most powerful part of ikigai is its simplicity: your life doesn’t need to look extraordinary from the outside to feel meaningful from the inside.” Silvia Fernandes – Curator of LongevityHabitos Portal

A More Evidence-Based Way to Think About Ikigai

Instead of drawing four circles, try observing where meaning already exists.

What makes tomorrow worth anticipating?

Where do you feel useful?

Which activities remain important even without recognition or payment?

Which relationships give your week continuity?

What would you miss if it disappeared from your routine?

These questions are not a validated ikigai diagnostic test.

They simply reflect what the research makes easy to forget: meaning can be distributed across ordinary life rather than concentrated in one grand purpose.

That may include family. It may include work. It may also include gardening, caring for an animal, learning something difficult, preparing Sunday lunch, helping a neighbor, volunteering, creating art or maintaining friendships.

Ikigai does not need to look productive from the outside to feel significant from the inside.

What the Evidence Really Supports

The scientific literature gives us good reasons to take purpose and ikigai seriously.

Longitudinal studies in Japan associate ikigai with better subsequent well-being, social engagement, physical functioning and lower mortality. Research in the United States finds related associations between purpose in life and mortality.

What science has not established is equally important.

There is no validated four-step ikigai formula.

There is no evidence that completing a four-circle diagram extends life.

And observational studies cannot prove that creating a stronger sense of purpose will independently prevent disease or increase lifespan.

The most defensible conclusion is simpler:

A sense that life is worth living is associated with healthier aging—but it may come from many places, and science is still determining why.

That is less marketable than a perfect diagram.

It is also much closer to what ikigai research actually tells us.