Original Investigation

Proportion of Female Physicians in a Specialty and Median Annual Payments in Ontario, Canada

JAMA Network Open 10.1001/jamanetworkopen.2025.49815

December 16, 2025 at 11:00 AM EST

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How is an increase in the proportion of female physicians in a specialty associated with changes in the median annual payments for that specialty?Using administrative data of all active physicians in Ontario, Canada, over nearly a 30-year period (18 572 physicians in 1993 and 31 374 in 2020), this study found that specialties with higher growth in the percentage of female physicians over time had a lower increase in total median payments overall and for female physicians but not male physicians.These findings suggest that occupational segregation, both across and within specialties, is an important contributor to the gender pay gap.

Corresponding Author: Tara Kiran, MD, MSc, CCFP, MAP Centre for Urban Health Solutions, St Michael’s Hospital, Unity Health Toronto, 30 Bond St, Toronto, ON M5B 1W8, Canada (tara.kiran@utoronto.ca).

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