Impostor syndrome is common in women and men, and no treatment has been properly trialled. What the research does show, and what's worth trying.
You get the promotion and everyone congratulates you. By the evening you're quietly listing the ways you'll disappoint them, and wondering how long before someone notices you were a lucky hire.
That's impostor syndrome: feeling like a fraud despite clear evidence that you're competent. It isn't a diagnosis, and "believe in yourself harder" doesn't touch it. What helps more is checking your evidence against reality, changing the habits that keep the feeling alive, and looking hard at the environment you're working in.
The honest starting point is that the research is thinner than the advice. A 2020 systematic review of 62 studies found no published studies evaluated treatments for impostor syndrome. So everything below is sensible practice drawn from clinical experience, not a tested cure.
Is Impostor Syndrome in Women More Common?
The idea started with women. Psychologists Pauline Rose Clance and Suzanne Imes first described the impostor phenomenon in the 1970s, and at first they thought it was unique to women. Later research found that men can feel like frauds too.
The big review agrees. It found impostor syndrome was common among both men and women, and it didn't report a clear gender gap. Prevalence ranged from 9% to 82%, mostly depending on which questionnaire was used. That spread is a reason to distrust any single neat percentage you see quoted.
The same review found rates were particularly high among ethnic minority groups. That points to something the "it's all in your head" framing misses. If you're the only woman, or the only Black woman, in the room, the doubt has a real source outside you.
Why Success Doesn't Fix It
A common pattern is that success gets explained away. A good result was luck, timing, or other people's help. A mistake was proof.
You also see everyone else's finished work and your own drafts. You know about every time you looked something up or got it wrong first, and you don't see theirs. Against that comparison, of course you look like the one who's winging it.
Overwork keeps the loop running. If you believe you only succeed by grinding, every success "proves" you need to grind harder next time. The link between perfectionism and mental health is a close cousin of this, and the two often travel together.
What Actually Helps
The APA's practical guidance, drawn from clinicians who work with impostor feelings, is a better starting point than affirmations.
Keep a plain record. Write down problems you solved, decisions you made and results you got, with dates. The APA piece suggests listing what you do well and where you want to grow, which keeps the self-assessment realistic rather than flattering.
Test the overwork belief. Clance suggests doing some tasks "well enough" and noticing nothing collapses. In practice that might mean sending the report after one review instead of three, or leaving at six on a Thursday.
Talk to someone more senior about their early years. Mentors who admit they also doubted themselves make the feeling look common rather than true. Teaching someone newer than you does something similar, because it shows you how much you actually know.
Get the comparison right. When a colleague seems effortlessly good, remind yourself that you're seeing her output, not her process. Asking people how they actually approached something often makes their competence look a lot more like yours.
When to Look Beyond Your Own Head
Some environments feed impostor feelings. Teams that only celebrate polished results, and rooms where you're the only one like you, give the doubt constant fuel. Finding a professional network where your background is ordinary, not exceptional, can help more than any reframe.
Watch for when it's more than self-doubt. The review found impostor syndrome is often comorbid with depression and anxiety, and linked it with burnout. If the doubt comes with low mood, constant worry or exhaustion that won't lift, see your GP. The NHS says that if you think you may be depressed, it's best not to delay getting help.
Therapy is a reasonable option even without a diagnosis. The APA piece notes that individual therapy can give you tools for breaking the impostor cycle.
Sometimes the feeling is less about work and more about who you are without it. Finding who you are outside your job picks up that thread. For the moment-to-moment fraud feeling after a win, see why you feel like a fraud even when you're doing well.
Frequently Asked Questions
Is Impostor Syndrome More Common in Women Than Men?
It was first described in women, but a large review found it common among both men and women without reporting a clear gender gap. Rates were particularly high in ethnic minority groups, which suggests the environment plays a part.
Is Impostor Syndrome a Mental Health Condition?
No, it isn't a formal diagnosis. It often comes alongside depression and anxiety, and it's linked with burnout. If low mood or constant worry come with it, speak to your GP.
Does Impostor Syndrome Go Away With More Success?
Not on its own, because each new success can be explained away as luck or effort. What may help more is changing the habits that keep it going, such as overworking and comparing your drafts with other people's finished work.
This article is for informational purposes only. It is not a substitute for professional medical advice, diagnosis, or treatment. Always consult a qualified healthcare provider before making changes to your health routine.