Table of Contents
45% of US STEM Workers Were Born Abroad: What It Means for Kids
45% of US STEM workers were born outside the US. Here's what that figure actually means for the domestic K-12 pipeline and your child's career prospects.
45% of US STEM Workers Were Born Abroad: What It Means for Kids
Your kid’s future STEM competitor wasn’t born in Ohio or Texas. According to the National Science Foundation’s Science and Engineering Indicators 2023 report, 45% of all workers in science and engineering occupations in the United States were born outside the country. Nearly half. That’s not a headline about immigration policy — it’s a signal about what’s been happening, quietly, to the domestic K-12 STEM pipeline for thirty years.
Before anyone draws a political conclusion: this is not an argument for or against immigration. The foreign-born workers filling these roles are talented, credentialed, and doing real work. The question for parents is different. If almost half of the US STEM workforce has to be imported from abroad, what does that suggest about how well the domestic education system is preparing American kids? And what should you do about it?
The Data: How Many US STEM Workers Were Born Abroad?
The 45% figure comes from NSF’s analysis of the American Community Survey, which tracks occupational and demographic data across the US workforce. Among workers in “science and engineering” occupations — a category that includes software developers, electrical engineers, physicists, biomedical researchers, and statisticians — 45% were foreign-born as of 2021.
The concentration is not uniform. In computing and mathematical occupations, the share of foreign-born workers has historically run even higher. A 2020 National Foundation for American Policy (NFAP) analysis found that immigrants had founded or co-founded 55% of America’s billion-dollar startup companies, and that in Silicon Valley specifically, immigrants or their children founded more than half of all tech firms with $1M+ in annual sales.
This isn’t a recent phenomenon. John Bound and colleagues, writing in a 2015 paper published in the Journal of Economic Perspectives, documented that the growth in foreign-born workers in STEM occupations accelerated sharply after the Immigration Act of 1990, which significantly expanded H-1B visa capacity for specialty occupations including engineering and computing. Their analysis showed that between 1994 and 2008, foreign-born workers accounted for roughly half of the net growth in the US STEM workforce.
Why This Happened: H-1B Visas, University Enrollment, and STEM Pipeline
There are three interlocking mechanisms.
H-1B visas created a recruitment pipeline from overseas universities. The H-1B program allows US employers to sponsor foreign workers in “specialty occupations” that require at least a bachelor’s degree in a specific field. Technology companies — particularly in software and semiconductors — have been heavy users of this pathway. In recent years, applications to the H-1B lottery have run 3–5 times over the available cap of 65,000 annual visas plus 20,000 additional slots reserved for US master’s and PhD holders.
Foreign students dominate US graduate programs in STEM. According to NSF data, in 2021, international students earned 57% of US doctoral degrees in computer science and 61% in electrical engineering. Many of these graduates transition directly into the US workforce through Optional Practical Training (OPT) and then H-1B sponsorship. The pipeline from foreign undergraduate education → US graduate school → US tech job is well-worn.
Domestic K-12 production of STEM-ready graduates has not kept pace. The US has the largest economy in the world and spends more per student on K-12 education than almost any other OECD country — yet US students rank around 28th in math on the PISA assessment, a performance gap that has been remarkably persistent across decades. The “Rising Above the Gathering Storm” report, published by the National Academy of Engineering in 2007 and updated in 2010, warned that America’s STEM pipeline was weakening at the K-12 level precisely at the moment when demand for STEM workers was accelerating. The subsequent two decades did not dramatically change the trajectory.
What This Tells Us About the Domestic K-12 STEM System
The table below shows STEM fields by estimated percentage of foreign-born workers and what that concentration implies about pipeline health for US-born graduates.
| STEM Field | Est. % Foreign-Born Workers | H-1B Dependency | K-12 Feeder Gap |
|---|---|---|---|
| Software / AI Engineering | ~45–55% | Very High | Strong — calculus and CS pathways required |
| Electrical / Hardware Engineering | ~50–60% | High | Moderate — few schools offer EE prep |
| Biomedical Research | ~35–40% | Moderate | Moderate — strong AP Bio, weak lab access |
| Civil / Structural Engineering | ~20–25% | Lower | Relatively functional |
| Mathematics / Statistics | ~35–45% | Moderate | Weak — limited advanced math tracks in K-12 |
Civil engineering — where licensing requirements and physical presence at US job sites create friction for international hiring — shows the lowest foreign-born share. Software and hardware, where remote work and H-1B pathways flow most freely, show the highest. That distribution is not a coincidence.
The implication: fields where international talent substitution is easiest are also the fields where K-12 preparation gaps hurt American kids the most. If your child wants to enter AI or hardware engineering without graduate school, they are competing in a market where a large share of entry-level candidates arrive with international credentials and often graduate degrees.
The Fields Where Foreign-Born Workers Are Most Concentrated
Within software and AI specifically, the concentration is sharpest at the PhD and senior research level. A 2013 analysis by Stuart Anderson at NFAP found that among the inventors on patents filed by companies like Qualcomm, Merck, and General Electric, between 40 and 76 percent were foreign-born. In Silicon Valley, the figure was even higher.
What this means practically: the innovation layer of US STEM — the researchers designing the next generation of chips, the ML scientists building foundation models, the biotech researchers developing new drug classes — draws heavily on international talent. That’s where doctoral-level research converges with commercial application.
This matters for your child because the US STEM labor market is effectively a two-tier system. Tier 1: highly credentialed research and design roles where international competition is intense and where graduate degrees (often from US universities) are the entry point. Tier 2: applied engineering and technical roles where US bachelor’s degrees still carry weight and where domestic pipelines matter more. Which tier your child enters depends substantially on what the K-12 and undergraduate pipeline prepares them for.
What This Means for Kids Entering the Workforce in the 2030s–2040s
The landscape will look different by the time today’s 10-year-olds finish their education. Three forces are reshaping it:
AI automation is shifting which engineering tasks need human labor. Routine coding, documentation, and QA work — the traditional entry points for new software engineers — are being automated at the very moment kids entering school now will be seeking their first jobs. The demand will shift toward people who can design AI systems, evaluate their outputs, and build at the architecture level. That requires deeper foundations, not shallower ones.
US graduate programs will remain competitive gatekeepers. Despite the domestic K-12 gap, US universities still host some of the most competitive research programs in the world. A kid who builds strong math and CS foundations in K-12 and gets into a strong US undergraduate program can still access these pipelines.
Domestic STEM policy is slowly responding. The CHIPS and Science Act of 2022 allocated $200 billion over ten years for US semiconductor research and STEM education, specifically as a response to the workforce concentration problem. But policy changes take a decade to produce workforce changes. The kids who will benefit are in elementary school now.
The gap between US education spending and student outcomes is a structural problem — throwing money at it without changing curriculum depth and K-12 STEM rigor has not worked historically.
How to Position Your Kid in the Domestic STEM Pipeline
The data doesn’t tell parents to panic. It tells parents to be specific.
Start with math depth, not math speed
The most reliable predictor of STEM career readiness is algebra proficiency in middle school, which predicts calculus access in high school, which predicts STEM major success in college. Rushing through multiplication tables while skipping conceptual understanding produces the exactly wrong outcome. The research on this — particularly Liping Ma’s landmark 1999 book Knowing and Teaching Elementary Mathematics — shows that mathematical fluency built on conceptual understanding is far more durable than procedural speed.
Seek out hardware and physical computing
The fields with the lowest foreign-born concentration tend to involve physical presence, local certification, or hands-on fabrication. Kids who learn to work across the hardware-software interface — circuit design, embedded programming, physical systems — occupy a part of the field that is harder to offshore and harder to automate. Access to maker and hardware experiences is highly unequal across zip codes, which means parents who create those opportunities are giving their kids a real advantage.
Aim for the AI design layer, not the AI user layer
Teaching kids to use ChatGPT is not STEM education. Teaching kids to understand how language models work, how to train classifiers, how to evaluate model outputs — that’s the layer that remains valuable. The distinction between AI literacy and AI building fluency will separate competitive STEM candidates from the rest within 10 years.
Graduate school remains a powerful equalizer
If your child builds strong foundations, a US STEM graduate degree — particularly in CS, EE, or quantitative biology — still puts them in the most competitive part of the market regardless of where competitors were born. The pipeline bottleneck is at the K-12 and undergraduate level, not at elite US graduate programs.
What to Watch For Over the Next 3 Years
If your child is currently in middle or early high school and you’re making course decisions:
- By the end of middle school: Can they take Algebra 2 or Precalculus in 9th grade? That tracks them for Calculus by 11th. If not, find out why and address the gap now.
- High school year 1 signal: Are they enrolled in a CS or engineering elective? Not just a technology class — something with actual programming or circuit design?
- By junior year: Do they have a concrete STEM project they can describe in one clear sentence? (“I built a sensor array that detects soil moisture and texts a warning to my phone.”) Portfolio evidence matters increasingly in STEM admission and early hiring.
Frequently Asked Questions
Does the 45% foreign-born STEM figure mean US kids can’t find STEM jobs?
No. The US STEM workforce has been growing in absolute numbers, and the foreign-born share reflects both the growth rate and the K-12 gap simultaneously. US-born graduates still fill the majority of STEM positions. But the competition is steeper in software and AI than in other fields, and the talent entering those fields often has graduate credentials that US undergrads lack.
Should I be worried about H-1B visa workers “taking” jobs my kid would get?
That framing is probably too simple. H-1B workers are concentrated in highly specialized roles, often with graduate degrees, at companies that have documented they couldn’t find qualified domestic candidates. The more useful question for your family: is your child building the depth of skills that makes them competitive at that level? If yes, the international competition is less of a factor.
Is the 45% figure going up or down?
Based on NSF trend data through 2023, the foreign-born share of the US STEM workforce has been relatively stable in recent years, having risen sharply from the 1990s through the mid-2000s. Whether it continues to rise depends partly on visa policy and partly on whether domestic K-12 STEM production improves.
Does this vary by state?
Significantly. States with large tech clusters — California, Washington, New York, Massachusetts, Texas — have higher foreign-born STEM shares, particularly in computing. States with more manufacturing and civil infrastructure employment show lower concentrations.
What STEM fields still have a domestic-first hiring culture?
Civil engineering, some defense and national security-related engineering roles (which require US citizenship for clearances), K-12 STEM education, and local government technical roles tend to hire more domestically. Biotech, software, and AI research are the most internationally competitive.
Is a STEM degree still worth it even with this competition?
Yes — the earnings premium for STEM degrees remains large. BLS data shows that software developers earned a median wage of $130,160 in 2023, and electrical engineers earned $107,390. The question is not whether to pursue STEM, but whether to pursue it with the depth needed to compete at the levels where the jobs are concentrated.
About the author
Ricky Flores is the founder of HiWave Makers and an electrical engineer with 15+ years of experience building consumer technology at Apple, Samsung, and Texas Instruments. He writes about how kids learn to build, think, and create in a tech-saturated world. Read more at hiwavemakers.com.
Sources
- National Science Foundation. (2023). Science and Engineering Indicators 2023. National Center for Science and Engineering Statistics. https://ncses.nsf.gov/pubs/nsb20231
- Bound, J., Braga, B., Golden, J. M., & Turner, S. (2015). “Recruitment of Foreigners in the Market for Computer Scientists in the United States.” Journal of Labor Economics, 33(S1), S187–S223. https://doi.org/10.1086/677932
- Anderson, S. (2013). Immigrants and Billion Dollar Startups. National Foundation for American Policy. https://nfap.com/wp-content/uploads/2016/03/Immigrants-and-Billion-Dollar-Startups.NFAP-Policy-Brief.March-2016.pdf
- National Academy of Engineering. (2010). Rising Above the Gathering Storm, Revisited. National Academies Press. https://doi.org/10.17226/12999
- Ma, L. (1999). Knowing and Teaching Elementary Mathematics. Lawrence Erlbaum Associates.
- US Bureau of Labor Statistics. (2024). Occupational Outlook Handbook: Software Developers. https://www.bls.gov/ooh/computer-and-information-technology/software-developers.htm
- US Congress. (2022). CHIPS and Science Act of 2022. Public Law 117-167. https://www.congress.gov/bill/117th-congress/house-bill/4346
