Are Narcissists Born or Made?

If you break your arm, the x-ray shows the fracture. There it is. That’s the problem.

Personality doesn’t work that way. There is no scan that shows where narcissism came from.

But survivors ask me about it all the time. “Were they always like this?” “Did something happen to them?” “Could they have changed?” And underneath those questions, there’s usually a more painful one: “Why did they treat me this way?”

So let’s look at what the research actually says about whether narcissists are born or made. Not the version that goes viral on TikTok. The real, messier version.

First, a quick clarification. I’m not talking about someone who posts too many selfies. I’m talking about clinically significant narcissism, the kind that shows up as narcissistic personality disorder or a stable pattern of narcissistic traits that harms the people around them.

Two faces of the same pattern

There are two main presentations of narcissism, and they look very different from the outside.

Grandiose narcissism is the one most people picture. Charming, dominant, entitled, the person holding court at the party. They want to be seen as special, impressive, or superior.

Vulnerable narcissism is quieter and often missed. You see defensiveness, resentment, victimhood, and intense sensitivity to criticism. The grandiosity is still there, hidden under insecurity. Gentle feedback can land like an attack.

The core entitlement shows up in both. One version says, “I am special, and everyone should see it.” The other says, “I am special, and everyone has failed to see it.”

This matters because the two presentations may have somewhat different roots.

The spoiled child myth

The popular story goes like this: a child is told they’re perfect, never hears the word no, and grows into an entitled adult.

There’s a grain of truth in it, but it’s too simple.

In a study that followed 565 children ages 7 to 11, kids whose parents overvalued them (“my child is more special than other children”) became more narcissistic over time. Kids whose parents were simply warm did not. Warmth built healthy self-esteem instead (Brummelman et al., 2015). Love doesn’t create narcissists. Treating a child as superior to everyone else might.

Vulnerable narcissism tells a different story. A 2020 study of young people found that lower maternal care and childhood maltreatment were linked to vulnerable narcissism, but not to the grandiose kind (van Schie et al., 2020).

That makes clinical sense to me. When a child grows up without consistent warmth, mirroring, or emotional safety, they have to survive it somehow. For some children, narcissistic defenses become armor. A false self forms that says, “I am above this. I don’t need anyone. Other people are the problem.”

That explains the pattern. It does not excuse it.

Biology loads the dice, environment shapes the defense

There’s no single “narcissism gene.” But genes do play a role. A twin study estimated that grandiosity and entitlement are each moderately heritable, roughly 35 to 42 percent, with the rest coming from life experience (Luo et al., 2014).

What gets inherited is temperament. Some kids are born with a stronger pull toward attention, reward, and dominance, and a harder time with frustration and limits. Researchers think narcissism grows out of how that temperament interacts with the environment over time (Thomaes et al., 2009).

Picture a child wired for admiration who lands in a cold or rejecting home. The temperament is the fuel. The environment shapes what that child builds to protect themselves.

This is also why narcissistic people react so strongly to criticism. If the self underneath is fragile, feedback doesn’t feel like information. It feels like a threat to their existence. Accountability, intimacy, and real repair all require contact with the very shame the defenses were built to avoid.

Can narcissism change? The young adult reality check

This is the part parents ask me about most, especially parents who are watching a teenager start to look a lot like their ex.

Here’s the hopeful news. On average, narcissism goes down with age. A 2024 review of 51 long-term studies, covering more than 37,000 people ages 8 to 77, found that narcissism declines steadily from adolescence through adulthood. Entitlement, arrogance, and hypersensitivity dropped the most (Orth et al., 2024).

One study followed college freshmen at UC Berkeley from age 18 to 41. Most became less narcissistic. Only 3 percent got worse (Wetzel et al., 2020).

Why? Researchers point to the roles we take on in early adulthood. College, jobs, roommates, partners, and kids all require some reciprocity. You can’t charm your way out of every conflict with a roommate. You can’t manipulate every professor. If you throw a tantrum at your boss, there are consequences.

Life starts pushing back. For many young people, that friction is what grows them up. In the Berkeley study, people who committed to serious relationships and had children showed bigger drops in vanity.

So if you’re parenting a teen or young adult with narcissistic traits, the late teens and twenties are a real window. Your job isn’t to shield them from consequences. Your job is to let reality do some of the teaching.

Two honest caveats:

• Most people change, but they tend to keep their place in line. The kids who were more narcissistic than their peers usually stayed more narcissistic than their peers as adults, even as everyone declined (Orth et al., 2024).
• The window isn’t automatic. One large study of German young adults found that narcissistic admiration stayed about the same from age 20 to 30 (Grosz et al., 2019). Change depends on what life asks of them, and whether they let it land.

When life never pushes back

Some people avoid the reality check entirely.

They choose environments where they’re admired, feared, or never challenged. They blame every failure on someone else. They leave relationships before accountability can take root. They rewrite history and find new people to supply validation.

The Berkeley study found something telling here. Narcissistic young adults were more likely to end up in supervisory jobs, and people in those roles stayed more narcissistic over time (Wetzel et al., 2020). When the world keeps rewarding the pattern, the pattern has no reason to change.

This is why enabling matters so much. Every time a family smooths things over, covers for them, or pressures someone else to “keep the peace,” it removes the very friction that could have helped.

Over time, the costs pile up anyway. Marriages end. Friendships fade. Adult children pull away. The traits that won attention early in life often lead to isolation later.

For survivors: understanding is not excusing

I’ve worked with survivors of narcissistic abuse for years, and I see the same trap over and over. A survivor learns about the narcissistic person’s painful childhood, and suddenly they feel guilty for setting a boundary.

Does understanding their history mean you owe them more patience? Absolutely not.

You can have compassion for the wounded child someone once was and still protect yourself from the adult who hurts you. Both can be true at the same time.

Their wound may explain the pattern. It does not give them permission to keep hurting you. And you are not responsible for being the reality check they spent a lifetime avoiding.

If you’re healing, “Were they born this way or made this way?” can become a rabbit hole. The more useful question is, “What happened to me, and what do I need now?”

Try this. Take five minutes and finish these sentences in a journal:

• I have spent a lot of energy trying to understand why they ____________.
• When I focus on their story, I lose track of ____________.
• What I needed in that relationship, and didn’t get, was ____________.
• One thing I can give myself this week is ____________.

Whatever made them this way, your nervous system still deserves safety. Your reality still matters. And your boundaries don’t need a perfect explanation of their psychology to be valid.

Ready to Take the Next Step in Your Healing?

If this article resonated with you, you don’t have to navigate the aftermath of narcissistic abuse alone. Here are ways to connect, learn, and heal with us:

Listen to the podcast: Two Queens and a Joker: My Narcissist’s Ex and Me. Every episode combines lived experience with professional insight to help you feel less alone. Wherever you get your podcasts or listen here on YouTube.

Join a group: SoNA support groups. Ask us about additional supports, including programs for those going through divorce and recovery after narcissistic abuse.

Work with a specialist: At NarcTrauma.com, I work exclusively with survivors of narcissistic abuse and have personally trained our therapists in working with survivors. Whether through individual therapy, group programs, or guided resources, you’ll find tools to rebuild your sense of safety, self-worth, and identity.

You deserve to heal, reclaim your power, and build a future where connection is safe and real.

Follow for support and resources:
Facebook: Narcissistic Abuse Recovery Center
Instagram: @narcrecoverycenter
TikTok: @narctraumarecovery

Written from my clinical experience, with AI-assisted drafting and research. Every citation is verified by me.

References

Brummelman, E., Thomaes, S., Nelemans, S. A., Orobio de Castro, B., Overbeek, G., & Bushman, B. J. (2015). Origins of narcissism in children. Proceedings of the National Academy of Sciences, 112(12), 3659-3662. https://doi.org/10.1073/pnas.1420870112

Grosz, M. P., Gollner, R., Rose, N., Spengler, M., Trautwein, U., Rauthmann, J. F., Wetzel, E., & Roberts, B. W. (2019). The development of narcissistic admiration and Machiavellianism in early adulthood. Journal of Personality and Social Psychology, 116(3), 467-482. https://doi.org/10.1037/pspp0000174

Luo, Y. L. L., Cai, H., & Song, H. (2014). A behavioral genetic study of intrapersonal and interpersonal dimensions of narcissism. PLoS ONE, 9(4), e93403. https://doi.org/10.1371/journal.pone.0093403

Orth, U., Krauss, S., & Back, M. D. (2024). Development of narcissism across the life span: A meta-analytic review of longitudinal studies. Psychological Bulletin, 150(6), 643-665. https://doi.org/10.1037/bul0000436

Thomaes, S., Bushman, B. J., Orobio de Castro, B., & Stegge, H. (2009). What makes narcissists bloom? A framework for research on the etiology and development of narcissism. Development and Psychopathology, 21(4), 1233-1247. https://doi.org/10.1017/S0954579409990137

van Schie, C. C., Jarman, H. L., Huxley, E., & Grenyer, B. F. S. (2020). Narcissistic traits in young people: Understanding the role of parenting and maltreatment. Borderline Personality Disorder and Emotion Dysregulation, 7, 10. https://doi.org/10.1186/s40479-020-00125-7

Wetzel, E., Grijalva, E., Robins, R. W., & Roberts, B. W. (2020). You’re still so vain: Changes in narcissism from young adulthood to middle age. Journal of Personality and Social Psychology, 119(2), 479-496. https://doi.org/10.1037/pspp0000266