Stats for Gender provides reliable and accessible information on gender and transition. statsforgender.org | Supported by @genspect
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A large sample of Finnish adolescents found that trans identities were more strongly associated with perpetrating bullying than being bullied.
Youth identifying as non-binary reported the highest rates of both bullying others and being bullied
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More & more children have already socially transitioned, including pronoun change, before they present to gender clinics
Dutch data indicate that, between 2000 & 2004, 3.3% of children had completely socially transitioned clothing, hairstyle, name change
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60% of males and 70% of females attending the world’s largest gender clinic (GIDS) are same-sex attracted
Approximately 60% of G IDS youth who were biological males and 70% who were biological females reported attraction to the same sex or to both sexes
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One study showed that, without social transition, nearly two-thirds of pre-teen gender-dysphoric males grow up to be gay or bisexual
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Social transition solidifies a transgender identity. The study findings showed that five years post-social transition, 94% of youth continued to identify as binary transgender, 3.5% identified as nonbinary, and 2.5% identified as cisgender
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A systematic review of regret rates across 27 studies showed that every study had insufficient follow-up time and/or high drop-out rates, which seriously compromise the reliability of the data on regret rates
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The District of Columbia has three and a half times more people who identify as trans than any State in the US, per head of the population
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One in five vaginoplasty patients develop genital prolapse after vaginoplasty.
Surgical repairs often reduced symptoms but highlight long‑term complications rarely discussed before transition
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A systematic review of 71 studies found that 43% of trans-identified people experience anxiety
The figure is higher for females
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In a prospective study of patients aged 12-15 referred to University College Hospital, London by the Gender Identity Development Service, patients on puberty blockers did grow taller, but not by as much as others in their age group.
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NHS gender clinics do not meet quality assurance standards
A 2025 operational & delivery review of adult gender clinics in England found clinics lacked patient outcome data, had limited data reporting of inconsistent quality & had minimal clinical audit
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Obsessive-compulsive traits are more common in people with gender dysphoria
At least two studies have found a particular connection between intense interests or repetitive behaviours – associated with autism spectrum disorders – and gender dysphoria.
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In a nationwide Finnish study of all under-23-year-old individuals referred to a gender clinic between 1996 and 2019, the rate of psychiatric comorbidity following medical transition increased from 10% to 61% among males, and from 22% to 55% among females
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Polycystic ovary syndrome (PCOS) is more prevalent in females seeking medical transition
One study found 26.6% of female adults presenting for “gender-affirming hormones” had PCOS, another found 23.8% of adolescent females had PCOS prior to treatment
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In one study of detransitioners, around half believed that they received inadequate care
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In a study of 100 detransitioners, 50.7% of females and 45.2% of males identified with the comment “I felt I would be treated better if I was perceived as the target gender”
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There may be a causal link between exogenous testosterone and idiopathic intracranial hypertension (IIH)
Onset of IIH was between ten weeks and ten years after beginning testosterone treatment
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Trans-identified females report higher rates of sexual assault than their male counterparts
A study by Abern et al. surveyed 996 trans-identified adults and found that 50% of females reported experiencing sexual assault, compared to 37% of males
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Bone mineral density of teenagers taking puberty blockers did not increase to age-appropriate levels
Study is compromised by lack of follow-up once patients reached the age of 16 - meaning there were significant effective drop-out rates at 24 & 36 months
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Testosterone therapy is associated with nearly doubled depression risk and 52% higher suicide attempt rates in men within five years
The study compared 263,579 men who used testosterone to over 17.8 million men who did not
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2025 review summarizes wide-ranging risks tied to estrogen use in trans-identified males
Estrogen use in trans-identified males is associated with a wide range of serious health risks. Including blood clots, stroke, cancer, infertility & cognitive decline
statsforgender.org/estrogen-…
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