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This summary covers The Economist’s June 13th, 2026 Science & technology article listed in the contents as Blind spot on Chinese science and published under the headline Doctors with borders.

China has become a scientific superpower, producing as many papers in 2025 as America, Britain, Germany and Japan combined. Yet Western researchers often fail to cite Chinese work. The gap is not easily dismissed as a difference in quality: China also leads the Nature Index, which tracks output in a group of respected journals.

Two recent studies illustrate the divide. One analysis of papers published from 1980 to 2022 found that only about one-third of citations to Chinese research came from abroad, compared with roughly half for work from America and the European Union. The pattern persisted even among papers in elite journals and among the most highly cited research. A second study found a striking asymmetry: Chinese scientists cited American work more often than expected, while American scientists cited Chinese work less often than expected.

More than one cause

The evidence does not prove a simple story of Western prejudice. Citation patterns partly reflect the structure of research. China is especially dominant in chemistry and engineering, so a large share of the scientists working at the frontier in those fields are themselves Chinese. Domestic citations may therefore be a consequence of where the relevant expertise is concentrated. The studies also have methodological limits, including difficulty separating geography from average differences in research quality and the possibility that colleagues inflate one another’s citation counts.

Trust is another factor. According to Retraction Watch data cited by the article, papers by Chinese authors from 1996 to 2025 were about six times more likely to be retracted than papers by American or British authors. Publication quotas and cash bonuses, which China banned in 2020, encouraged weak or fraudulent work. Authorities have since targeted paper mills and changed academic evaluation, but damaged reputations recover slowly.

Western researchers also face a practical knowledge gap. They may not understand the hierarchy of Chinese institutions or may struggle to distinguish similar names. Meanwhile, geopolitical tension is reducing the international collaboration that can bridge such divides. The share of Chinese papers with a foreign co-author fell from 24% during 2000-19 to 18% in 2024.

A costly blind spot

Whatever the balance among specialisation, mistrust and unfamiliarity, ignoring useful Chinese research slows the spread of ideas and delays breakthroughs. That cost will grow as China produces more of the world’s new knowledge. Western science therefore needs better ways to evaluate Chinese work on its merits: skepticism about reliability is justified, but treating geography as a proxy for quality risks missing an expanding share of frontier research.