New research reshapes long-term outcomes of gender transition by 2026
The long-held belief that nearly 90% of people remain satisfied with their gender transition has come under scrutiny. Recent research challenges earlier claims, revealing shifting perspectives in medical and scientific circles by 2026. Studies now suggest far greater uncertainty about long-term outcomes for those who transition, particularly among young people.
The 85% persistence figure often quoted comes from a 2011 Dutch review of studies dating back to 1968. Many of these older papers included participants who might not meet today's definitions of being transgender, due to broader inclusion criteria at the time. The review also did not track regret or detransitioning—it only noted whether individuals continued or stopped treatment.
By contrast, newer findings paint a different picture. A 2022 study reported that 94% of children who socially transitioned still identified as transgender five years later. However, other large-scale reviews, such as the UK's Cass Report and its follow-ups, found high desistance rates—up to 80-90% in pre-pubertal cases—based on longitudinal data from the 2010s. These reports also highlighted flaws in earlier affirmative care research, including a lack of long-term evidence and rising numbers of detransitioners. The shift in medical opinion became clearer between 2021 and 2024. Countries like Sweden, Denmark, and Finland restricted gender-related medical interventions for minors, citing poor outcome data. Even the World Professional Association for Transgender Health (WPATH) expressed internal doubts by 2022, recommending psychotherapy over irreversible treatments. Meanwhile, a 2026 analysis showed that less than 9% of adolescents on puberty blockers discontinued treatment or returned to their sex assigned at birth.
The debate over transition outcomes has evolved significantly since early studies in the 1970s. Current research points to higher rates of desistance, methodological weaknesses in past studies, and growing caution among medical professionals. These changes reflect a broader reassessment of how gender identity develops and how best to support individuals over time.