PhD Salary by Field: Is a Doctorate Worth the Investment?
Source-reviewed June 10, 2026 against NCSES/NSF doctorate salary tables, BLS Education Pays, BLS occupational pages, Humanities Indicators, and College Scorecard routing.
Key Takeaways
- → BLS Education Pays 2024 reports doctoral degree holders at $2,278/week, or about $118,456 annualized, but this national baseline hides field and sector risk.
- → NCSES reports 2024 new doctorate recipients with U.S. industry commitments had median expected salaries from $95,625 in non-S&E fields to $180,000 in computer and information sciences.
- → American Academy of Arts and Sciences data show humanities PhDs at about $80,000 median earnings, while engineering and business PhDs were about $145,000 in the cited humanities indicator.
- → The opportunity cost of a 6-year STEM PhD ($150,000-$360,000 in foregone industry earnings) is the most underestimated factor in the “is a PhD worth it?” calculation.
- → Only STEM PhDs that are fully funded (stipend + tuition waiver) have straightforward financial ROI for most students. Unfunded PhDs in any field require extraordinary justification.
Decision note
Do not compare PhD salaries without sector and opportunity cost
A doctorate can look valuable in an industry salary table and weak in an academic placement table. Before choosing a program, separate funded vs. unfunded offers, stipend income, tuition waiver, years out of the labor market, target sector, and whether the role actually requires a PhD.
Source checkpoint: reviewed June 10, 2026
The single most important number in this article is not the average PhD salary. It is the gap: NCSES's 2026 report on 2024 doctorate recipients shows expected median salaries for new PhDs with definite U.S. commitments were much higher in industry than in academia or postdoctoral roles. Computer and information sciences reached a $180,000 industry median, while non-S&E fields were $95,625 in industry and $72,000 in academia. If you are deciding whether to pursue a PhD, field, sector, funding, and placement matter more than almost any national average.
Here is the full PhD salary data, organized by field and broken down by sector — with a clear-eyed ROI analysis that includes the opportunity cost most graduate school guides omit.
PhD Salary by Field: The Master Comparison Table
The following table combines official and source-dated benchmarks: NCSES/NSF expected salary data for 2024 doctorate recipients with definite commitments, BLS May 2024 occupation medians where a doctorate-heavy occupation is available, and American Academy of Arts and Sciences Humanities Indicators for longer-running field-level doctorate earnings. Treat the figures as screening ranges, not a guarantee for any single program.
| Field | Official Salary Anchor | Industry / Business | Academia / Postdoc | ROI Note |
|---|---|---|---|---|
| Computer & information sciences | $180,000 NCSES industry median | Highest NCSES broad-field median; BLS computer research scientist median: $140,910 | $100,000 academia / $70,000 postdoc | Excellent when funded and industry-targeted |
| Mathematics & statistics | $150,000 NCSES industry median | Strong quant, finance, analytics, and research demand | $68,000 academia / $70,000 postdoc | Strong if placement is nonacademic |
| Multidisciplinary / interdisciplinary sciences | $150,000 NCSES industry median | Strong where the program maps to AI, data science, biotech, or materials roles | $91,500 academia / $65,000 postdoc | Strong with clear employer fit |
| Social sciences | $129,000 NCSES industry median | Best outcomes usually require quantitative methods, policy, economics, or data roles | $75,000 academia / $65,000 postdoc | Program-placement dependent |
| Engineering | $125,000 NCSES industry median | Humanities Indicators also reports $145,000 median earnings for experienced engineering PhDs | $90,000 academia / $65,000 postdoc | Strong if fully funded |
| Health sciences | $120,000 NCSES industry median | Industry outcomes vary by clinical, public health, biostatistics, and research track | $83,000 academia / $61,934 postdoc | Moderate to strong by specialty |
| Biological & biomedical sciences | $120,000 NCSES industry median | Industry beats postdoc pay, but outcomes depend heavily on employer and lab skills | $71,000 academia / $60,000 postdoc | Watch postdoc years carefully |
| Physical sciences | $120,000 NCSES industry median | BLS reports physicists at a $166,290 median, but that is occupation-specific | $65,140 academia / $65,000 postdoc | Good with research-lab or industry fit |
| Psychology | $97,000 NCSES industry median | Industrial-organizational, UX research, and quantitative roles generally screen better | $71,000 academia / $58,000 postdoc | Track licensure and sector |
| Non-S&E fields | $95,625 NCSES industry median | Use program placement reports; broad-field data hides large differences | $72,000 academia / $60,000 postdoc | Funding and placement are decisive |
| Humanities | ~$80,000 Humanities Indicators median earnings | Usually better judged by placement transparency than salary averages | Academic-job exposure is the core ROI risk | Weak unless fully funded and goals are nonfinancial |
Sources: NCSES / NSF expected salary tables for 2024 doctorate recipients; BLS OOH May 2024; BLS Education Pays 2024; American Academy of Arts and Sciences Humanities Indicators; College Scorecard for program routing.
The Sector Effect: Where Your PhD Is Used Matters More Than Field
The single largest driver of PhD salary is whether you work in industry, academia, or a postdoctoral appointment. NCSES's 2024 Survey of Earned Doctorates salary table shows industry medians above academic and postdoc medians in every broad field:
| Broad Field | Industry / Business | Academia | Postdoc | What It Means |
|---|---|---|---|---|
| Computer & information sciences | $180,000 | $100,000 | $70,000 | The strongest new-doctorate industry premium in the table |
| Mathematics & statistics | $150,000 | $68,000 | $70,000 | Industry placement changes the ROI story completely |
| Engineering | $125,000 | $90,000 | $65,000 | Still strong, but below CS/math at the new-doctorate median |
| Biological & biomedical sciences | $120,000 | $71,000 | $60,000 | A postdoc can delay financial break-even by years |
| Physical sciences | $120,000 | $65,140 | $65,000 | Industry or federal-lab routing matters more than the broad field label |
| Psychology | $97,000 | $71,000 | $58,000 | Look for quantitative, UX, IO, or clinical licensing paths |
| Non-S&E fields | $95,625 | $72,000 | $60,000 | Program-level placement data is essential |
Source: NCSES / NSF, Survey of Earned Doctorates 2024, median annual salary by broad field and position type.
Employer salary sites can still be useful for screening specific pharma, biotech, consulting, or AI-lab offers, but they should not be treated as national medians. Use them after you have checked the official NCSES broad-field table, then ask individual programs for recent placement lists, employer names, job titles, and offer ranges.
The Opportunity Cost Nobody Talks About
Here is the honest calculation most PhD program guides skip: a STEM PhD takes an average of 5.5-6.5 years to complete, per NSF Survey of Earned Doctorates data. During those years, PhD students on funded stipends typically earn $25,000-$40,000 annually — far below what a master's graduate earns in industry.
PhD Opportunity Cost: Computer Science Example (6-Year PhD)
At an $80,000/year salary premium, break-even on this simplified opportunity-cost model occurs in approximately 4.7 years post-graduation. At a $40,000/year premium, break-even is about 9.5 years.
The break-even math works best for PhD graduates who land high-premium roles in AI research, biotech, quant finance, or engineering management. It works much less well for students who spend long periods in lower-paid postdoctoral or early academic roles. For those students, the opportunity cost relative to a master's-level industry career can dominate the entire ROI calculation.
Use our degree ROI calculator to model your specific field's opportunity cost against projected PhD salary premiums.
Highest-Paying PhD Fields in Detail
Computer Science PhD: The AI Gold Rush
BLS reports that computer and information research scientists earn a $140,910 median annual wage in May 2024, and NCSES reports a $180,000 industry median for 2024 computer and information sciences doctorate recipients with definite U.S. commitments. Those two official anchors are a better baseline than employer anecdotes. Equity-heavy AI-lab packages can exceed national medians, but they are employer-, level-, and market-specific; they should not be treated as the default value of a CS PhD.
The CS PhD premium is strongest when the dissertation maps directly to research roles employers cannot fill with the master's pipeline alone: machine learning systems, computer vision, security, distributed systems, optimization, or applied AI research. Students should compare the official NCSES median with placement reports from their target programs, then discount heavily for program rank, research area, advisor network, and whether the job actually requires a doctorate.
Engineering PhD: Broad Demand, Strong Floor
Engineering PhDs benefit from broad industry demand across aerospace, defense, semiconductors, automotive, energy, materials, and manufacturing. NCSES reports a $125,000 industry median for 2024 engineering doctorate recipients with definite U.S. commitments, compared with $90,000 in academia and $65,000 in postdoc roles. BLS physicist pay is useful as a separate high-end physical-science benchmark, but it is not a substitute for engineering placement data.
The strongest engineering ROI usually comes from doctoral work that transfers cleanly into employer problems: semiconductor design, advanced manufacturing, controls, materials, power systems, robotics, aerospace systems, or energy infrastructure. For a specific program, ask for recent employer names and job titles instead of relying on a broad engineering average.
Economics PhD: The Policy and Finance Crossroads
Economics PhDs occupy a useful position in the doctoral landscape because the training can translate into academia, central banking, consulting, finance, policy research, and technology roles that need causal inference, forecasting, pricing, or market-design expertise. NCSES reports the broader social sciences at a $129,000 industry median for 2024 doctorate recipients, versus $75,000 in academia and $65,000 in postdoc roles.
The academic job market is still constrained, so placement transparency matters. Strong economics programs should be able to show where recent graduates landed, which roles required a PhD, and how many graduates moved into nonacademic research, policy, consulting, or data science positions.
The Honest Case Against a PhD in Humanities
Per the American Academy of Arts and Sciences' Humanities Indicators project, full-time workers with a humanities doctorate had median annual earnings of $80,000 in the cited data, compared with $104,000 for PhDs generally. The same indicator places engineering and business PhDs at $145,000, which shows why one blended “PhD salary” average can mislead humanities students.
The humanities PhD can make deep intellectual sense. But students entering these programs with the expectation of securing a tenure-track professor position should treat academic placement as a risk factor, not a promise. Ask departments for named placement lists, tenure-track share, alternative-career outcomes, completion time, stipend support, and debt at graduation before accepting an offer.
For students deeply committed to a humanities field, the financially responsible path is to attend only fully-funded programs with competitive stipends — rejecting any offer that requires taking on debt. The opportunity cost alone is substantial enough; adding $50,000-$100,000 in debt for a humanities PhD is financially indefensible for most students.
Should You Get a PhD? The Decision Framework
Before committing 5-9 years to doctoral study, answer these four questions honestly:
- Is the program fully funded? No unfunded PhD is financially defensible in most fields. A funded STEM PhD (stipend + tuition waiver) has low or negative debt cost. An unfunded humanities or social science PhD at $30,000/year in tuition is an enormously expensive credential for the salary outcomes it produces. Refuse any PhD offer that does not include full funding.
- Does the doctorate materially change your salary trajectory? In CS, engineering, economics, and life sciences — yes, significantly. In education, social work, and many humanities fields — marginally at best. Research the specific salary outcomes for PhD graduates in your program, not the general field average. Ask departments for placement data; refuse to accept vague or aggregated answers.
- Are you targeting research roles that require a PhD? Some positions genuinely require doctoral credentials: university faculty, certain federal research positions, pharmaceutical research scientists, central bank economists. If your target roles require a PhD, the credential is necessary regardless of ROI. If your target roles do not require it, the burden of proof for pursuing a PhD is extremely high.
- Can you survive financially on a graduate stipend? Living on $28,000-$38,000 in a major research university city for 6 years is genuinely difficult. Consider your personal financial obligations, cost of living, and whether the delayed gratification is sustainable for you before committing.
PhD vs. Master's: When Each Makes Sense
Pursue a PhD when:
You want a university faculty position; you are targeting R&D roles at pharma/biotech/AI labs that require doctoral credentials; you are in a field (CS, economics, engineering) where the PhD premium in industry significantly exceeds the opportunity cost; the program is fully funded with a living stipend.
A master's is sufficient when:
You want applied industry roles in engineering, data science, finance, or public policy; you want to reach senior individual contributor or management levels in most business sectors; you are in a field where PhDs face constrained academic job markets and modest industry salary premiums; speed matters (2 years vs. 6+).
For students weighing a PhD's cost against its benefits, our master's degree worth it guide provides the parallel ROI analysis for graduate degrees — and the medical school cost guide covers the economics of professional doctorates (MD, JD) which have substantially different ROI profiles than research PhDs. Run your own numbers in our degree ROI calculator to see the break-even timeline for your specific program.
Frequently Asked Questions
What is the average PhD salary?
BLS Education Pays 2024 reports doctoral degree holders at $2,278 in median usual weekly earnings, or about $118,456 annualized, versus $1,543 per week for bachelor's degree holders. But field variation is massive, so use the national education-level figure only as a starting point. Use our degree ROI calculator to model your specific field, funding, and opportunity cost.
Is a PhD worth it financially?
Depends on field, funding, and sector. Funded STEM PhDs that open industry research roles can make financial sense, especially in computer science, math/statistics, engineering, and some health or biomedical fields. Unfunded PhDs are much harder to justify because tuition, missed wages, and delayed advancement compound over 5-9 years.
What PhD makes the most money?
Among 2024 doctorate recipients with definite U.S. commitments, NCSES reports the highest expected industry median for computer and information sciences at $180,000, followed by multidisciplinary/interdisciplinary sciences and mathematics/statistics at $150,000. BLS also reports computer and information research scientists at $140,910 median annual wage and physicists at $166,290 in May 2024.
Do PhD holders earn more than master's degree holders?
In STEM industry roles, yes — often $30,000-$70,000 more at senior levels. In education, social work, and many humanities fields, the master's is frequently sufficient for the highest available roles and the PhD premium is marginal against 3-5 additional years of opportunity cost. The master's ROI in fields like data science, engineering management, and MBA roles often exceeds the PhD ROI on a time-adjusted basis.
How long does it take to earn a PhD, and what is the opportunity cost?
Time to degree varies by field and institution; NSF Survey of Earned Doctorates tables are the best official source for current medians. During those years, stipend income often replaces full-time market wages. For ROI, model missed earnings, raises, benefits, and delayed promotion alongside tuition and debt.
What PhD fields have the worst ROI?
Humanities PhDs face the most challenging ROI because the Humanities Indicators median is about $80,000, time to degree can be long, academic hiring is constrained, and many alternative careers do not require a doctorate. The program's funding and placement record matter more than the prestige of the credential in the abstract.
Calculate Your PhD's Return on Investment
Enter your program cost, stipend, expected post-PhD salary, and opportunity cost to see the break-even timeline for your doctorate — compared to stopping at a master's degree.
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