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International Undergraduate Enrollment (%) at Elite US Universities Over Time
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Fact-checking Marc Andreessen's claims — Data compiled from institutional fact books, CDS filings, IIE Open Doors, IPEDS, and registrar reports
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University~1974–75Proxy Year~1994–95Proxy Year2023–24 / 2024–25Change (1970s → Now)Key Source
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Harvard~3–4%1975 est.6%1986 (HM)15.0%~3% → 15%Harvard Magazine (1986=6%); OIRA Fact Book 2024 (1,048/6,980)
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MIT~4–5%1975 est.8%1994–95 (MIT News)11.7%~5% → 12%MIT News 1995 (364 UG intl); MIT Registrar 2024 (529/4,535)
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Stanford~3–4%1975 est.7.2%2010 (Stanford Daily)12.2%~4% → 12%Stanford Daily (7.2% in 2010); CollegeTuitionCompare (965/7,904)
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Yale~2–3%1975 est.3%Late 1980s (YDN)12.0%~3% → 12%Yale Daily News 2005 (3% in late 1980s); Yale Facts page 2024
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Princeton~3–4%1975 est.~7–8%~1995 est.13.0%~4% → 13%Princeton Profile page; Koppelman Group (13% UG current)
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Columbia~3–5%1975 est.~8–10%~1995 est.20.0%~4% → 20%Columbia OPIR Fact Sheet 2024; Stand Columbia analysis
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U. of Chicago~3–5%1975 est.~5–7%~1995 est.16.0%~4% → 16%Chicago Maroon (CDS: 16%); IPEDS data
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UCLA~1–2%1975 est.~2–3%~1994 (SOCCIS)12.0%~2% → 12%SOCCIS.org; US News (~12% UG intl); UCLA CDS
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Andreessen's Claim: "2 or 3 or 4 percent" → "27% or 30% or 50%... 70%"
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REALITY: Undergraduate international enrollment ranges 12–20% today, up from ~2–5% in the 1970s. No school approaches 50–70%.
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Legend:
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Green cells = Confirmed from official institutional data
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Pink cells = Estimated from adjacent data or secondary sources
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Yellow cells = Proxy year indicator (closest available data point)
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