Biostatistics major

Biostatistics: courses, careers, and where to study

Biostatistics applies statistical theory and modeling to biomedical and public-health questions, training students to design studies, analyze health data, and interpret evidence about populations.

Biostatistics focuses on the statistical methods used in biomedical research and in clinical, public-health, and industrial questions about human populations. Coursework moves from probability and mathematical statistics into regression and generalized linear models, then into methods built for health data: clinical trial design and randomization, survival and time-to-event analysis, longitudinal and repeated-measures models, missing-data techniques, and the design of observational and cohort studies. Students learn to write reproducible analyses in R and SAS, often working with genetic, oncology, pharmacokinetic, or neurobiology datasets. Where Statistics centers on the general mathematics of inference across any domain, biostatistics anchors those methods in living systems and regulatory research. And where Epidemiology concentrates on the distribution and determinants of disease, biostatistics supplies the analytic machinery that epidemiologists, clinicians, and Public Health teams rely on to quantify findings.

Most working biostatisticians hold a master's or doctoral degree, since the modeling and study-design work usually expected of the role goes beyond an undergraduate sequence. Graduates support clinical trials at pharmaceutical and device companies, contract research organizations, academic medical centers, hospitals, and agencies such as the FDA, CDC, and NIH. A bachelor's degree can open data-analyst and research-coordinator positions and is a common foundation for graduate study in biostatistics, statistics, or epidemiology. Compared with the broad tooling of Data Science, biostatistics emphasizes valid inference, study design, and regulatory rigor over engineering scale. Programmer credentials such as a SAS certification can strengthen a resume, but they are optional and not a substitute for the degree. A major builds skills and opens doors; it does not guarantee a specific job, and demand varies by employer, region, and research funding.

In federal data for the closely related occupation of statisticians, the U.S. Bureau of Labor Statistics reports a 2024 median wage of $103,300 and projects employment to grow about 8.5% from 2024 to 2034; a master's degree is the typical entry-level education for that occupation. National figures are occupation-wide medians across all experience levels, not starting wages or graduate outcomes.