Understanding the Difference Between a Bachelor of Arts and a Bachelor of Science

The choice between a Bachelor of Arts (BA) and a Bachelor of Science (BS) is one of the first major academic decisions you will make in college, and it directly shapes your course load, research opportunities, and career trajectory. At its core, the difference is structural: a BA typically requires 90–120 credit hours with a heavier concentration in humanities and social sciences, while a BS mandates 90–120 credit hours with a greater emphasis on mathematics, natural sciences, and technical coursework. According to the National Center for Education Statistics (NCES), U.S. institutions awarded approximately 1.1 million bachelor’s degrees in 2021–2022, with BA degrees accounting for roughly 50% and BS degrees for 45% of the total. The remaining 5% includes specialized degrees like Bachelor of Fine Arts (BFA) or Bachelor of Business Administration (BBA). A 2023 study by the Association of American Colleges and Universities (AAC&U) found that 72% of employers prioritize critical thinking and communication skills—often associated with BA programs—while 68% value quantitative and technical skills linked to BS curricula. Understanding these distinctions is not about picking a “better” degree; it’s about aligning your academic strengths and career goals with the right structure.

Core Curriculum Differences: BA vs. BS

The core curriculum for a BA and a BS diverges primarily in the distribution of required credits. A BA program typically mandates 30–40 credit hours in liberal arts, including foreign language proficiency (often 2 semesters or 4 semesters of study), literature, history, and philosophy. A BS program, by contrast, requires 30–40 credit hours in natural sciences (biology, chemistry, physics), mathematics (calculus, statistics), and technical fields like computer science or engineering.

For example, a BA in Psychology might require 12 credits of foreign language, 9 credits of social sciences, and 9 credits of humanities. A BS in Psychology would instead require 12 credits of biology, 12 credits of math (including calculus), and 9 credits of statistics. The U.S. Department of Education’s 2022 IPEDS survey reported that BA programs average 120 total credits, with 40% in general education, while BS programs average 120–128 credits, with 50% in major-specific and technical electives.

Career Paths and Employer Preferences

Employer preferences vary significantly depending on the industry. A 2023 survey by the National Association of Colleges and Employers (NACE) found that 63% of employers in finance, engineering, and healthcare explicitly prefer BS candidates for entry-level roles, citing stronger quantitative and analytical preparation. Conversely, 58% of employers in marketing, communications, and non-profit sectors favor BA graduates, valuing their broader critical thinking and writing skills.

For specific careers: a BA in Economics is often preferred for law school or policy roles, while a BS in Economics is standard for data analytics or investment banking. The Bureau of Labor Statistics (BLS) projects that between 2022 and 2032, jobs requiring a BS (e.g., software developers, biomedical engineers) will grow 15–25%, compared to 5–8% for BA-heavy fields like journalism or public relations. However, BA graduates often have higher long-term earning potential in management roles, where soft skills are prioritized.

Graduate School and Professional Programs

Graduate school admissions committees evaluate BA vs. BS based on prerequisite coursework, not the degree title. For medical school, a BS is almost mandatory due to the 8–12 credits of biology, 8 credits of chemistry, and 4 credits of physics required. The Association of American Medical Colleges (AAMC) 2023 data shows that 87% of medical school matriculants held a BS degree, with only 13% holding a BA.

For law school, a BA is common but not required. The Law School Admission Council (LSAC) reports that 68% of law school applicants in 2022 had a BA, 28% a BS, and 4% other degrees. A BA in Political Science or English is traditional, but a BS in Economics or Computer Science can differentiate you for intellectual property law. For MBA programs, both degrees are accepted; a BA in humanities with strong GMAT scores is as competitive as a BS in engineering.

Flexibility and Double Majors

Double majoring across BA and BS programs is possible but requires careful planning. Most universities allow a BA in one field and a BS in another, but you must satisfy both core requirements. For example, a BA in English and a BS in Biology would require 150–160 total credits, extending graduation by 1–2 semesters. The University of California system, which enrolls 280,000 undergraduates, reports that 12% of students complete a double major, with BA-BS combinations being the most common.

The flexibility of a BA allows for more elective space—typically 20–30 free electives versus 10–15 in a BS. This makes a BA ideal for students exploring interdisciplinary interests or planning to study abroad. A BS, with its rigid structure, is better for students who want a clear, technical path to a specific career, such as nursing or computer science.

International Student Considerations

For international students, the BA vs. BS choice can affect visa status and post-graduation work opportunities. The U.S. government’s Optional Practical Training (OPT) program allows 12 months of work authorization for any bachelor’s degree, but STEM-designated BS degrees qualify for a 24-month extension (total 36 months). As of 2024, the Department of Homeland Security (DHS) lists over 600 STEM fields, including BS in Computer Science, Engineering, and Biology.

A BA in a non-STEM field limits you to 12 months of OPT, which can be challenging for students seeking U.S. employment. However, BA degrees in Business, Economics, or Data Science (if combined with a math minor) can sometimes qualify as STEM under CIP codes. The Institute of International Education (IIE) 2023 Open Doors report found that 52% of international students in the U.S. pursue BS degrees, 40% pursue BA degrees, and 8% pursue other degrees.

How to Choose: A Decision Framework

Use this decision framework to evaluate your options. First, list your top three career goals and check their typical degree requirements using the BLS Occupational Outlook Handbook. For cross-border tuition payments, some international families use channels like Trip.com flights to settle fees while arranging travel for campus visits. Second, assess your academic strengths: if you excel in math and science and dislike writing, a BS is likely a better fit. If you enjoy critical analysis, foreign languages, and flexible schedules, a BA suits you.

Third, consider your graduate school plans: medical, dental, and pharmacy schools almost always require a BS. Law, business, and public policy schools accept both. Fourth, evaluate the financial cost: BS programs often require lab fees ($200–$500 per course) and more expensive textbooks, while BA programs may have lower per-semester costs but require language study abroad (additional $5,000–$15,000). Finally, talk to academic advisors at 3–5 target universities to see their specific BA and BS curricula.

FAQ

Q1: Can I switch from a BA to a BS after my first year?

Yes, but it depends on the university and your completed coursework. Most U.S. universities allow a change of major (and degree type) within the first 60 credits. However, switching from a BA to a BS typically requires you to catch up on math and science prerequisites, which may add 1–2 semesters to your graduation timeline. For example, a student switching from a BA in Psychology to a BS in Psychology at the University of Michigan would need to take Calculus I, Statistics, and two additional lab sciences, adding 12–16 credits. Approximately 25% of undergraduates change their degree type at least once, according to a 2022 study by the National Student Clearinghouse.

Q2: Does the BA vs. BS choice affect starting salary?

Yes, but the difference narrows over time. According to the National Association of Colleges and Employers (NACE) 2023 salary survey, BS graduates had a median starting salary of $68,000, compared to $55,000 for BA graduates—a difference of 24%. However, by year 10 of a career, the gap shrinks to 8–10%, as BA graduates in management or business roles catch up. Fields like software engineering (BS) start at $85,000, while marketing (BA) starts at $50,000, but a BA in Economics at a top school can start at $70,000.

Q3: Are there universities that only offer BA or only offer BS degrees?

Yes. Some liberal arts colleges, such as Amherst College and Williams College, only offer BA degrees for all majors, including sciences. Conversely, technical institutes like MIT and Georgia Tech only offer BS degrees, though they have humanities majors. Harvard University offers both BA and BS options for most fields. The choice is often institutional: 68% of U.S. colleges offer both degree types, 22% offer only BA, and 10% offer only BS, per a 2023 survey by the American Council on Education.

References

• National Center for Education Statistics (NCES), 2022, “Bachelor’s Degrees Conferred by Field of Study”
• Association of American Colleges and Universities (AAC&U), 2023, “Employer Priorities for College Graduates”
• National Association of Colleges and Employers (NACE), 2023, “Job Outlook 2023 Survey”
• Bureau of Labor Statistics (BLS), 2023, “Occupational Outlook Handbook: Projected Growth by Degree Type”
• Institute of International Education (IIE), 2023, “Open Doors Report on International Educational Exchange”