Public Health Major: What It Includes, Classes and Careers

A Public Health major studies how to prevent disease and improve the health of whole communities. Public health majors learn how diseases spread, how health is shaped by environment and behavior, and how programs and policies protect populations.

A Public Health major includes coursework in epidemiology, biostatistics, environmental health, health behavior and education, and health policy and more. You build skills such as data analysis, program planning and evaluation, health communication, and research methods. Typical degrees: bachelor's degree, with a master's (MPH) common for epidemiology and program leadership.

Typical courses include epidemiology, biostatistics, environmental health, health behavior and education, health policy, and global health. Exact course names and requirements vary by college, and most degrees also include general education courses.

It depends on the level. Public Health is offered as certificate, associate, bachelor’s, master’s, and doctoral awards at U.S. colleges; certificates take from a few months to about two years, an associate degree usually takes about two years of full-time study, a bachelor’s degree usually takes about four years of full-time study, a master’s degree usually takes one to two years after a bachelor’s, and a doctoral or professional degree takes several more years beyond that. Part-time study takes longer.

Bachelor's degree, with a master's (MPH) common for epidemiology and program leadership. In the latest federal data, 199 colleges reported certificate awards, 78 colleges reported associate awards, 438 colleges reported bachelor’s awards, 386 colleges reported master’s awards, and 102 colleges reported doctoral awards.

Career paths connected to public health include health educator, community health worker, epidemiologist, environmental health specialist, medical and health services manager, and occupational safety specialist. Some roles need additional training, experience, certification or a license.

Examples include health educator (typical training: 4 years), community health worker (typical training: 1–3 months), epidemiologist (typical training: 2 years after a bachelor’s), environmental health specialist (typical training: 4 years), medical and health services manager (typical training: 4–6 years plus experience), and occupational safety specialist (typical training: 2–4 years).

Public Health majors build skills such as data analysis, program planning and evaluation, health communication, research methods, and community outreach.

Good pairings include Statistics (builds the quantitative skills behind epidemiology and program evaluation), Biology (deepens your understanding of disease, infection and the human body), Sociology (explains the social conditions that shape health in communities), and Environmental Studies (connects public health to air, water and environmental hazards).

It can be a good fit if you are interested in the work it leads to, such as health educator, community health worker, and epidemiologist, and enjoy subjects like epidemiology and biostatistics. No major guarantees a job, so compare the coursework, the careers and the education each career requires before deciding.

How hard it feels depends on your strengths. Core coursework includes epidemiology, biostatistics, and environmental health; if those subjects interest you, the major is likely to feel more manageable. Reviewing a college’s course list and talking to current students helps you judge.

716 U.S. colleges reported awarding degrees or certificates in this field in the latest federal (IPEDS) data. Programs can have different names at different schools.

California (61), New York (56), Pennsylvania (44), Texas (34), and Massachusetts (30), based on the colleges that reported awards in this field.

658 of the colleges that offer public health also report offering at least one program entirely online, though not necessarily this one. Use the college search with this major and “Offers fully online programs”, then confirm with the school.

Public Health studies how to prevent disease and improve the health of whole communities. Nursing prepares you to assess, treat and educate patients as part of a healthcare team. Public Health leads to careers such as health educator and community health worker, while Nursing leads to careers such as registered nurse and licensed practical nurse.

Public Health studies how to prevent disease and improve the health of whole communities. Healthcare Administration teaches you to manage the business side of hospitals, clinics and health systems. Public Health leads to careers such as health educator and community health worker, while Healthcare Administration leads to careers such as medical and health services manager and medical administrative assistant.

Yes. Short online career training can help you understand a specific job and build practical knowledge alongside your classes. It does not replace your degree or any required license.

No. Career Education Institute is not a college and does not award degrees. It offers short, non-credit online trainings about jobs connected to public health, such as Health Educator Training.