Learn about the types of people who become radiation therapists. This page goes into detail about the employment, gender, and ethnic ratios of the workplace.
Gender Mix By Career Interest, 2025
This graph shows the distribution of females and males that are interested in becoming a radiation therapist. Four or five star ratings on CareerExplorer indicate interest.
More women than men are interested in becoming radiation therapists at a ratio of 1.03 to 1.
Actual Gender Mix, 2025
73% of radiation therapists are female and 27% are male.
Gender Bias, 2025
This is one of the most compelling statistics we collect. Gender bias shows the difference between gender interest in being a radiation therapist and the actual gender mix of people in the career.
If there is a significant difference, then it means there is a gender imbalance between those interested in becoming a radiation therapist and those who end up becoming one.
In this case there are significantly more men interested in becoming a radiation therapist than those actually working as one. It is hard to pinpoint the exact reasons why, but there are likely various forces at play, from changing interests over time to societal norms and biases.
Ethnic Mix, 2019
The largest ethnic group of radiation therapists are White, making up 70% of the population. The next highest segments are Hispanic, Latino, or Spanish and East Asian, making up 13% and 7% respectively.