What the data actually shows
The clearest framework comes from Erik Erikson, who described generativity — caring for and contributing to the next generation — as a central task of midlife adulthood, set against its opposite, stagnation. In his model, the people who lean into mentoring, raising others, building, and contributing tend to experience that stage as meaningful, while those who do not can feel stuck or self-absorbed. Later researchers built measures of generativity and have linked higher generative concern with greater wellbeing and life satisfaction, though much of this work is correlational.
A second strand comes from Terror Management Theory, developed by Pyszczynski, Greenberg, and Solomon, which argues that awareness of our own mortality is a powerful, often unconscious motivator. One of its central claims is that humans pursue what the theory calls symbolic immortality — the sense of living on through children, work, ideas, communities, or impact — as a way of coping with the knowledge that we die. On this account, the wish for legacy is partly a response to mortality, channelled into something constructive.
These two ideas converge in research by Grant and Wade-Benzoni and colleagues suggesting that reminders of mortality, rather than only producing fear or avoidance, can heighten generative and prosocial motivation — the wish to help, give, and leave something worthwhile. The effects are nuanced and depend on framing, but the broad pattern points the same way: thinking about finitude can turn attention toward contribution.
Why this feels different from how it actually is
Legacy can feel like an ego project — something only the famous or the wealthy are entitled to want — because the word conjures monuments, fortunes, and names on buildings. But in the research the impulse is far more ordinary and relational: raising a child, teaching a skill, mentoring a colleague, tending a community, or leaving work that helps someone you will never meet all count, and all seem to draw on the same generative drive.
It can also feel uncomfortable because it brushes up against mortality, which most of us prefer not to dwell on. If the wish to matter beyond our lifespan is partly fuelled by awareness that the lifespan ends, then noticing the wish can quietly remind us of the reason for it. That discomfort is part of why the impulse is easy to dismiss or rationalise rather than examine.
And because culture celebrates the grand, visible legacy, the small and slow kinds — the ones most people actually leave — can feel like they don't count. The research does not support that hierarchy. The mechanism appears to be the same whether the contribution is enormous or quiet.
Legacy is better treated as something you do now than something you arrange for later.
What the research says to do about it
The most consistent suggestion from the generativity literature is to treat legacy as something you do now rather than something you arrange for later — mentoring, teaching, building, caring, and contributing in the present are exactly the behaviours associated with the meaning generativity is meant to provide. You do not have to wait for a deathbed plan; the drive is satisfied by ongoing contribution.
Where mortality awareness comes up — a milestone birthday, a loss, an illness in the family — the research suggests it can be channelled constructively rather than suppressed. Studies in the Terror Management and generativity traditions indicate that reflecting on finitude can increase the wish to give and connect; directing that energy toward something you care about tends to be more productive than either dwelling on the fear or pushing it away.
It also helps to define legacy in your own, relational terms rather than against a public scoreboard. Because the meaning seems to come from contribution itself, scaling the ambition to what is actually within reach — the people and work in front of you — is more likely to deliver the sense of purpose than measuring yourself against the rare, monumental version.
What the research says does not help
Treating legacy as a status competition — bigger name, bigger fortune, bigger monument — tends to miss the point the research points to, which is that the meaning comes from generative contribution rather than from public scale. Chasing recognition can leave the underlying wish unsatisfied even when the recognition arrives.
Suppressing thoughts of mortality entirely does not appear to help either; the theory and supporting studies suggest the wish to matter is fuelled in part by that awareness, so refusing to acknowledge it can leave the drive unexamined and easy to misdirect rather than resolved.
Postponing all of it to a future plan — the will, the foundation, the someday project — overlooks the finding that generativity is something experienced through present action. Waiting to leave a legacy until the end can forfeit most of the meaning the impulse is there to provide.
The mechanism appears to be the same whether the contribution is enormous or quiet.
What this looks like in real life
The mentor who thinks they've left no legacy
Someone who has spent years quietly teaching and steadying colleagues assumes 'legacy' isn't for them — no monument, no fortune, no name on a building. But in the research the generative drive runs through exactly these ordinary, relational acts. Raising, mentoring, teaching, and tending a community appear to draw on the same drive as the grand, visible versions; the scale doesn't change the mechanism.
A milestone birthday turns toward giving
A significant birthday, a loss, or an illness in the family brings mortality briefly into focus. Rather than only producing fear or avoidance, that awareness can heighten the wish to contribute and connect — the pattern Terror Management and generativity research describe. Directing that energy toward something you care about tends to be more useful than either dwelling on the fear or pushing it away.
Real numbers in context
This is a topic where the honest currency is frameworks and patterns, not precise statistics, and the underlying research is largely correlational — so it is worth holding the conclusions loosely. The two anchoring ideas are Erikson's stage of generativity versus stagnation in midlife, and Terror Management Theory's concept of symbolic immortality. Neither yields a tidy number; both describe a direction of motivation that shows up widely.
What the studies do reasonably support is a pattern: generative concern tends to be associated with higher wellbeing, and reminders of mortality can — depending on how they are framed — increase generative and prosocial motivation rather than only fear. Read these as well-supported tendencies, not laws, and as evidence that the wish to leave a mark is normal rather than something to explain away.