Victims of eugenic sterilisation in Utah: cohort demographics and estimate of living survivors.

Background: Eugenicists at the beginning of the twentieth century feared that the "unfit" were outbreeding the "fit" and promoted interventions like sterilisation as a solution to the perceived problem. Over 60,000 people were sterilised across the United States, victims of eugenic programs implemented in 32 states. Utah had a particularly aggressive eugenic sterilisation program, hailed by eugenicists for sterilising such a large proportion of its population, and lasting well into the 1970s. The goal of the present study was to determine who, at the demographic level, was targeted by this eugenic practice in Utah, and to also estimate how many survivors of the program might still be alive in 2023. Methods: We used archival records and data abstracted from charts at the Utah State Developmental Center to construct an observational cohort of people sterilised under Utah's coercive, eugenic sterilisation program. We described the demographics of the cohort and presented a life table analysis to estimate the number of survivors still living in 2023. Findings: At least 830 men, women, and children (modal age of 15-19, 53.6% female) were sterilised in Utah institutions under a program that was launched in 1925, peaked in the 1940s, and concluded in the 1970s. The life table analysis predicts approximately 54 survivors (36 women, 18 men), with an average age of 78. Interpretation: Many people sterilised under Utah's eugenics law are likely living today. While some states have taken steps to reckon with their roles in depriving people of their reproductive rights, Utah lacks even an official acknowledgment of this shameful, medical history. Given the advanced age of the potential survivors, time is running out for a reconciliation that can be experienced by those who were most harmed by the practice. Funding: This research was supported by three grants from the National Human Genome Research Institute at the U.S. National Institutes of Health (RM1HG009037, R25HG010020, R01HG010567).