Ormel, Johan (Hans): h-index, Total Citations, and Citation Map
Ormel, Johan (Hans)'s h-index is 167 (562 i10-index, 128,701+ total citations across 1+ publications) according to Google Scholar as of July 2026. Ormel, Johan (Hans) is affiliated with University of Groningen, University Medical Center Groningen.
Ormel, Johan (Hans) is a researcher affiliated with University of Groningen, University Medical Center Groningen, specializing in psychiatry, clinical psychology, personality. Their work has been cited 128,701 times. This profile visualizes their global influence, highlighting strong citation networks in United Kingdom.
Ormel, Johan (Hans)'s Citation Metrics
Bibliometric impact based on 1 indexed publication. Of these, 0 are original research articles — the rest are literature highlights, conference abstracts or theses.
- H-Index
- 167
- i10-Index
- 562
- Total Citations
- 128,701
- Citing Countries
- 32
As of July 2026.
Ormel, Johan (Hans) has an h-index of 167 and 128,701 total citations across 1 publication, with research cited by institutions in 32 countries.
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Global Impact Map
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Lifetime prevalence and age-of-onset distributions of mental disorders in the World Health Organization's World Mental Health Survey Initiative
20077,270
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Top Citing Institutions
Visa Evidence Package
Views and exports tuned for EB-1A, O-1A, and EB-2 NIW petitions. Sustained acclaim, geographic reach, and independent-citation filtering are the strongest evidence categories immigration adjudicators look for.
Significant Contributions
Auto-detected research lines — a seminal paper and the follow-up work building on it. Review and edit before using in a petition. Each Free PDF opens in a new tab — EB-1A organises this into the structure USCIS applies to Criterion 5 of 8 CFR § 204.5(h)(3)(v); EB-1B re-frames it under § 204.5(i)(3) (outstanding researcher); NIW presents it under prong 2 of Matter of Dhanasar.
The researcher established a foundational global benchmark for mental disorder prevalence and age-of-onset through the WHO World Mental Health Survey Initiative.
Citation trend (last 10 years)Click to expand
Citation Trend (Last 10 Years)
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About Ormel, Johan (Hans)'s research
Ormel, Johan (Hans) is a researcher in psychiatry, clinical psychology and personality at University of Groningen, University Medical Center Groningen. Their work has been cited 128,701 times across 1 publications (h-index 167), according to Google Scholar.
Their most-cited work, “Lifetime prevalence and age-of-onset distributions of mental disorders in the World Health Organization's World Mental Health Survey Initiative” (2007), has accumulated 7,270 citations.
Citations of Ormel, Johan (Hans)'s research come primarily from United Kingdom, United States and Australia, reflecting international research impact across 5+ countries. The interactive citation map above shows the full geographic distribution of the institutions citing this work.
