The bibliometric data used to devise the citation-based metrics for this ranking were collected on January 12, 2026. A scientist's position in the ranking is determined by their D-index (Discipline H-index), a refined bibliometric indicator that considers only papers and citation metrics strictly within the examined discipline of Immunology. This ensures that the evaluation reflects expertise and impact specifically related to the field.
Scope of Research and Qualification Criteria
The ranking encompasses a wide scope of research across disciplines. Initially, a total of 187,135 scientist profiles, systematically identified from a variety of bibliometric sources, were examined to assess their publications and citation records. From this vast pool, only 4 scientists from the specific discipline of Immunology were shortlisted for the current edition.
To qualify for inclusion in the ranking, a researcher must have a D-index of at least 40, with the majority of their tier publications explicitly in Immunology. In addition to bibliometric performance, scientists' awards and notable achievements within the field were also considered to complement the quantitative evaluation.
The D-index threshold is dynamically set in increments of 10, calibrated to the total estimated number of scholars within each discipline. This approach guarantees inclusion of the top 1% of leading scholars, thereby maintaining a rigorous and selective standard while ensuring representation of elite expertise. Furthermore, to confirm discipline-specific relevance, a proximity limit of 30% or less must exist between a scientist’s general H-index and their D-index.
Additional Verification Practices
The team behind this ranking acknowledges that raw bibliometric data alone cannot serve as an absolute measure of scholarly output or impact. Accordingly, each scientist profile included was manually verified and cross-correlated against publications listed in a wide range of trustworthy and authoritative sources. This meticulous validation process helps ensure the accuracy and reliability of the ranking.
Although the count of papers published in prominent journals and conference proceedings does not directly affect a researcher's position in the ranking, it serves as a valuable secondary indicator of their contribution to research within Immunology.
The final ranking positions are established using each researcher’s D-index, calculated from data harvested from OpenAlex and CrossRef—recognized as the most prominent bibliometric databases widely used by the research community. For a detailed explanation of the methodology behind this ranking, please visit our methodology page.
Research.com’s Mission and Vision
Research.com is committed to motivating researchers, academic institutions, companies, and policymakers worldwide to closely track the trajectories of leading experts in various disciplines. Our goal is to provide transparent, credible, and accessible insights into who the foremost specialists are—whether at national, institutional, or disciplinary levels.
By creating rigorously verified rankings such as this, we aim to foster collaboration, inform funding and strategic decisions, and enhance the visibility of outstanding scientific contributions. Ultimately, our mission is to empower the global scientific community with high-quality data to support evidence-driven advancement in research and innovation.
