Trends in Racial and Ethnic Representation in the Oncology Trainee Workforce.

URiM representation among oncology and cancer-care physician trainees rose from 16.4% in 2020 to 20.4% in 2025, with the largest post-2020 jump in radiation oncology.

• Why it matters: Oncology workforce diversity efforts have expanded since 2020, but it was unclear whether they changed the racial and ethnic makeup of trainees across oncology and nononcology specialties.
• What they did: A repeated cross-sectional analysis of ACGME trainee race/ethnicity data (2011–2025) across medical and radiation or surgical oncology, general surgery, and primary care used segmented logistic regression to estimate pre- vs post-2020 changes.
• The result: Overall URiM odds increased after 2020 (OR, 1.05; 95% CI, 1.03-1.08) with a 5% annual rise (OR, 1.05; 95% CI, 1.05-1.06); radiation oncology showed the greatest post-2020 increase (OR, 1.20; 95% CI, 1.11-1.30), while medical oncology showed no statistically significant change.

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