New Researcher Ranking Highlights Top Global Scientists
The 2026 Stanford/Ioannidis index identifies the most-cited researchers in global science based on 2025 citation metrics.
Updated on Oct. 22, 2026 in Science — General
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Stanford University and John Ioannidis have published their 2026 researcher ranking index, identifying the most-cited scientists across global disciplines. The list recognizes top contributors in the field, including several researchers affiliated with the Peace Research Institute Oslo.
Why it matters
Citation impact remains a primary metric for assessing academic influence within the scientific community. High placement in these indices helps identify individuals shaping the trajectory of specific research fields, such as those studying international peace and conflict.
The ranking methodology evaluates scientists based on citation metrics to quantify global influence. It categorizes researchers into a top 2% tier based on either career-long impact or performance during the 2025 assessment period.
The players
Stanford University
A research university that maintains large-scale datasets for academic bibliometrics and global scientific output.
John Ioannidis
A Stanford professor and researcher known for developing meta-research methods to evaluate scientific quality and citation data.
Peace Research Institute Oslo
An independent research institution focused on the study of peace, conflict, and international security.
The details
The Stanford/Ioannidis Author Ranking uses citation metrics to determine scientific influence across diverse fields. The system measures research impact by analyzing how frequently an author's work is referenced by other scholars. The 2026 index incorporates data from 2025 to evaluate the performance of scientists in the current academic landscape.
Timeline
2025: Assessment period for annual citation impact ranking.
2026: Publication year of the Stanford / Ioannidis Author Ranking.
The Tech Race
The Stanford/Ioannidis Author Ranking continues to serve as a standard reference point for measuring global academic reach and scientific authority. This release updates the competitive landscape of highly-cited researchers relative to established bibliometric benchmarks.
Researchers and academic institutions use these rankings to benchmark individual performance against global peers. The data helps identify subject matter experts who are currently leading their fields based on recent 2025 publication impact.
The takeaway
The latest index confirms which scientists are currently driving the most significant citation growth in their respective disciplines. Readers should monitor future iterations to see which emerging fields see the highest concentration of top-tier research talent.
Further reading
Explore broader findings in Science — General.
Source note: This article includes information reported by Prio.
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