Science Explorer Interactive view Map
Subfield · Medicine

Public Health, Environmental and Occupational Health research

Public Health, Environmental and Occupational Health is a subfield of Medicine. Science Explorer counts 1.4M research works in it since 1950. 18.6% of them reached the world's top 10% most cited for their field and year.

In short: science and art of preventing disease, prolonging life and promoting health through organized efforts and informed choices of society, organizations, public and private, communities and individuals.

Research works
1.4M
fractional, since 1950
In the world top 10%
261k
per year above
Top-10% rate
18.6%
share of its works in the world top 10%
Topics
54
Growth, 2013–17 → 2018–22
+33%
the tick is no change

This ranks research output and citation impact. It says nothing about the quality of diagnosis, treatment or care.

What is Public Health, Environmental and Occupational Health research about, and what is growing?

By the world's output in 2019–23, its most used keywords are Epidemiology, Vaccine Development, Ethical Considerations, Public Health, Obesity, End-of-Life. Gaining share since 2009–13: COVID-19, Telehealth, Virtual Care, Healthcare Access, Maternal Mental Health. Losing share: End-of-Life Care, Medical Ethics, Physical Activity, Informed Consent.

▲ gaining share of this field◆ holding its share▼ losing share

Size is the world's fractional works in 2019–23 in the topics tagged with each word; colour compares the word's share of this field with 2009–13. Each links to the topic it comes from most.

All 40 words, with their numbers
  1. Epidemiology84k◆ 0.88×11 topics
  2. Vaccine Development32k◆ 0.95×3 topics
  3. Ethical Considerations30k◆ 1.01×4 topics
  4. Public Health27k▼ 0.79×4 topics
  5. Obesity26k▼ 0.78×3 topics
  6. End-of-Life25k◆ 1.13×3 topics
  7. Palliative Care25k◆ 1.13×3 topics
  8. Prevalence22k▼ 0.85×2 topics
  9. Global Burden21k◆ 0.87×3 topics
  10. Physical Activity20k▼ 0.70×2 topics
  11. Quality of Life20k◆ 1.12×5 topics
  12. Childhood19k▼ 0.83×1 topic
  13. Overweight19k▼ 0.83×1 topic
  14. COVID-1919k▲ 3.2×3 topics
  15. Cardiovascular Disease18k▲ 1.26×2 topics
  16. Arboviral Diseases17k▲ 1.17×1 topic
  17. Zika Virus17k▲ 1.17×1 topic
  18. Competency-Based Education16k◆ 0.98×1 topic
  19. Professional Identity Formation16k◆ 0.98×1 topic
  20. Advance Care Planning16k◆ 1.09×1 topic
  21. Family Perspectives16k◆ 1.09×1 topic
  22. Informed Consent16k▼ 0.73×3 topics
  23. Inflammation15k▲ 1.18×1 topic
  24. Mediterranean Diet15k▲ 1.18×1 topic
  25. Fertility Preservation15k▼ 0.76×1 topic
  26. Ovarian Tissue Cryopreservation15k▼ 0.76×1 topic
  27. Telemedicine14k◆ 1.15×2 topics
  28. Healthcare Access14k▲ 2.4×2 topics
  29. Pediatric Oncology13k◆ 1.02×2 topics
  30. Maternal Mental Health12k▲ 1.53×1 topic
  31. Perinatal Depression12k▲ 1.53×1 topic
  32. Infectious Diseases11k◆ 0.94×2 topics
  33. Pregnancy11k◆ 1.08×2 topics
  34. Elderly Care10k◆ 1.12×2 topics
  35. Telehealth10k▲ 3.1×1 topic
  36. Virtual Care10k▲ 3.1×1 topic
  37. Social Support9,837▲ 1.32×2 topics
  38. Clinical Trials9,788▲ 1.18×2 topics
  39. End-of-Life Care9,614▼ 0.62×2 topics
  40. Medical Ethics9,614▼ 0.62×2 topics

Which countries lead Public Health, Environmental and Occupational Health research?

On research quality in 2022–2025, the United States, China and the United Kingdom rank highest in Public Health, Environmental and Occupational Health. By volume, the United States and China publish the most (64k and 22k works in 2022–2025).

By research quality, 2022–2025

  1. 1 United States · #1 all time 17.7% top 10% · 64k works
  2. 2 China · #5 all time 24.8% top 10% · 22k works
  3. 3 United Kingdom · #2 all time 20.0% top 10% · 15k works
  4. 4 Australia · #3 all time 25.6% top 10% · 8k works
  5. 5 India · #11 all time 11.9% top 10% · 16k works
  6. 6 Italy · #9 all time 24.5% top 10% · 5.6k works
  7. 7 Canada · #4 all time 20.6% top 10% · 8.1k works
  8. 8 Germany · #6 all time 15.1% top 10% · 9.3k works
  9. 9 Spain · #10 all time 16.0% top 10% · 7.9k works
  10. 10 Netherlands · #8 all time 25.0% top 10% · 3.5k works

The track on each row is that row’s top-10% rate. The ranking itself is the composite score, which the rate is only one part of.

Of 86 countries ranked in Public Health, Environmental and Occupational Health. Composite of field-normalised excellence (50%), output (30%) and citations (20%); the bracket is the all-time rank.

All countries ranked in Public Health, Environmental and Occupational Health

By volume, 2022–2025

  1. 1 United States 64k works
  2. 2 China 22k works
  3. 3 Brazil 17k works
  4. 4 India 16k works
  5. 5 United Kingdom 15k works
  6. 6 Germany 9.3k works
  7. 7 Canada 8.1k works
  8. 8 Australia 8k works
  9. 9 Spain 7.9k works
  10. 10 Japan 5.8k works

How concentrated that is

The same countries as shares of everything the list above accounts for. A node where two countries do two thirds of the work and one spread evenly across twelve read alike as a ranking and not at all alike here.

United States: 36.8%China: 12.5%Brazil: 9.9%India: 9.2%6 others listed: 31.6%37%largest
United States64k · 36.8%China22k · 12.5%Brazil17k · 9.9%India16k · 9.2%6 others listed55k · 31.6%

Shares of the rows listed above, not of the whole node.

Which institutions lead Public Health, Environmental and Occupational Health research?

Harvard University (United States) ranks first in Public Health, Environmental and Occupational Health on research quality in 2022–2025, followed by Johns Hopkins University and University of California, San Francisco.

By research quality, 2022–2025

  1. 1 Harvard University United States · Cambridge · #1 all time 27.8% top 10% · 875 works
  2. 2 Johns Hopkins University United States · Baltimore · #2 all time 24.3% top 10% · 765 works
  3. 3 University of California, San Francisco United States · San Francisco · #6 all time 23.3% top 10% · 627 works
  4. 4 University of Oxford United Kingdom · Oxford · #3 all time 31.2% top 10% · 431 works
  5. 5 University College London United Kingdom · London · #13 all time 25.2% top 10% · 523 works
  6. 6 Imperial College London United Kingdom · London · #21 all time 27.9% top 10% · 337 works
  7. 7 Yale University United States · New Haven · #11 all time 21.8% top 10% · 547 works
  8. 8 University of Toronto Canada · Toronto · #17 all time 20.8% top 10% · 652 works
  9. 9 University of Washington United States · Seattle · #10 all time 21.5% top 10% · 548 works
  10. 10 University of North Carolina at Chapel Hill United States · Chapel Hill · #7 all time 9.5% top 10% · 1.3k works

The track on each row is that row’s top-10% rate. The ranking itself is the composite score, which the rate is only one part of.

Of 828 institutions above the floor of 40 fractional works in Public Health, Environmental and Occupational Health.

Top 100 Public Health, Environmental and Occupational Health institutions

By volume, 2022–2025

  1. 1 University of North Carolina at Chapel HillUnited States 1.3k works
  2. 2 Harvard UniversityUnited States 875 works
  3. 3 Johns Hopkins UniversityUnited States 765 works
  4. 4 Universidade de São PauloBrazil 698 works
  5. 5 University of TorontoCanada 652 works
  6. 6 University of California, San FranciscoUnited States 627 works
  7. 7 University of MichiganUnited States 617 works
  8. 8 University of WashingtonUnited States 548 works
  9. 9 Yale UniversityUnited States 547 works
  10. 10 University College LondonUnited Kingdom 523 works

Who are the leading researchers in Public Health, Environmental and Occupational Health?

Among the most productive authors in Public Health, Environmental and Occupational Health, David Moher, John P. A. Ioannidis and Gordon Guyatt rank highest on the composite score.

  1. 1 David Moher Canada · #1 worldwide 38k citations · 235 works
  2. 2 John P. A. Ioannidis United States · #10 worldwide 8k citations · 222 works
  3. 3 Gordon Guyatt Canada · #11 worldwide 6.8k citations · 254 works
  4. 4 Jost B. Jonas Germany · #12 worldwide 7.7k citations · 243 works
  5. 5 Aziz Sheikh United Kingdom · #17 worldwide 5.8k citations · 274 works
  6. 6 Vivekanand Jha India · #18 worldwide 5.8k citations · 232 works
  7. 7 Zulfiqar A Bhutta Pakistan · #29 worldwide 7k citations · 258 works
  8. 8 Mostafa Qorbani Iran · #41 worldwide 5.9k citations · 166 works
  9. 9 Yousef Khader Jordan · #42 worldwide 7.7k citations · 152 works
  10. 10 Elisabete Weiderpass France · #44 worldwide 6k citations · 183 works

Re-ranked on the composite score from the 5,263 highest-output authors in Public Health, Environmental and Occupational Health. Identities come from OpenAlex author disambiguation, which occasionally merges or splits people.

Top 100 Public Health, Environmental and Occupational Health researchers

Where is Public Health, Environmental and Occupational Health research done?

The largest centres of Public Health, Environmental and Occupational Health research in 2022–2025 are London (United Kingdom), Beijing (China), New York (United States) and São Paulo (Brazil). Among places with at least 20 works in it, it is an unusually large share of all research in Bedford, Parlier and Ifakara.

Largest cities, 2022–2025

  1. 1 London United Kingdom 4.6k works
  2. 2 Beijing China 3.4k works
  3. 3 New York United States 3.2k works
  4. 4 São Paulo Brazil 3k works
  5. 5 Boston United States 2.2k works
  6. 6 Paris France 2.1k works
  7. 7 Rio de Janeiro Brazil 2k works
  8. 8 Madrid Spain 1.9k works
  9. 9 Melbourne Australia 1.9k works
  10. 10 Seoul South Korea 1.8k works

Where it is the local speciality

  1. BedfordUS · 25.6 works17×
  2. ParlierUS · 32.7 works15×
  3. IfakaraTZ · 38.6 works13×
  4. FujairahAE · 32.2 works9.8×
← less than its size predicts1×more →

Location quotient: how much more of its research is in Public Health, Environmental and Occupational Health than the world average.

See Public Health, Environmental and Occupational Health on the map

Public Health, Environmental and Occupational Health research by country

The best places for Public Health, Environmental and Occupational Health research inside each country, with that country's researchers and world standing.

Where is the best place to study Public Health, Environmental and Occupational Health?

Among universities, judged by research, London School of Hygiene & Tropical Medicine, University of Gondar and Harvard University score highest, combining excellence, specialisation, size, growth and international reach. Research strength is one signal when choosing where to study; it does not measure teaching.

0%20%40%mean 29.41%fractional works in this node (log) →share in the world top 10% →London School of Hygiene & Tropical Medicine: 272, 36.2%University of Gondar: 179, 37.9%Harvard University: 875, 27.8%University of Colorado Anschutz Medical Campus: 256, 23.2%Karolinska Institutet: 316, 30.3%Deakin University: 314, 31.4%University of California, San Francisco: 627, 23.3%University of Oxford: 431, 31.2%Johns Hopkins University: 765, 24.3%Monash University: 440, 28.5%University of GondarLondon School of Hyg…Harvard UniversityUniversity of Colora…
above the meannear itbelow it

One dot per university in the table below. The upper left is the interesting corner: small places doing unusually strong work.

#UniversityScoreTop 10%SpecialisationWorksGrowth
1 London School of Hygiene & Tropical MedicineUnited Kingdom 66.536.2%6.7×272 +25.8%
2 University of GondarEthiopia 62.437.9%4.5×179 +227.0%
3 Harvard UniversityUnited States 54.327.8%2.6×875 +34.5%
4 University of Colorado Anschutz Medical CampusUnited States 49.923.2%3.5×256 +184.6%
5 Karolinska InstitutetSweden 49.530.3%2.7×316 +9.7%
6 Deakin UniversityAustralia 49.131.4%2.6×314 +40.1%
7 University of California, San FranciscoUnited States 48.523.3%3.7×627 +26.9%
8 University of OxfordUnited Kingdom 48.531.2%1.3×431 +32.7%
9 Johns Hopkins UniversityUnited States 48.424.3%2.7×765 +24.7%
10 Monash UniversityAustralia 48.028.5%2.0×440 +28.0%

Universities only. Score blends excellence (30%), specialisation (25%), size (20%), growth (15%) and international reach (10%), 2015–2022; growth compares 2010–14 with 2015–19.

Is Public Health, Environmental and Occupational Health research growing?

Output in 2018–2022 was 33% higher than in 2013–2017, peaking in 2025. The fastest-growing topics are Opioid Use Disorder Treatment, Telemedicine and Telehealth Implementation and Maternal Mental Health During Pregnancy and Postpartum.

19801990200020102020
grewheldshrank

The same series as a ribbon — one cell per year, darker for more. The line above answers how much; this answers when.

Which topics inside it are moving

Growth and decline on one axis around a shared zero. Two lists side by side hide the thing that matters: whether the growth dwarfs the decline, or the other way round.

  1. Opioid Use Disorder Treatment+219%
  2. Telemedicine and Telehealth Implementation+160%
  3. Maternal Mental Health During Pregnancy and Postpartum+147%
  4. Nutritional Studies and Diet+144%
  5. Mosquito-borne diseases and control+138%
  6. Palliative Care and End-of-Life Issues+138%
← shrinkingno changegrowing →

Growth in output from 2005–09 to 2015–19. Every topic is a page of its own.

What does Public Health, Environmental and Occupational Health include?

Reproductive Biology and…79kReproductive Biology and Fertility: 79k fractional worksObesity, Physical Activi…75kObesity, Physical Activity, Diet: 75k fractional worksMosquito-borne diseases and control: 68k fractional worksInnovations in Medical Education: 64k fractional worksPalliative Care and End-of-Life Issues: 62k fractional worksNutritional Studies and Diet: 55k fractional worksMalaria Research and Control: 43k fractional worksStreptococcal Infections and Treatments: 41k fractional worksAcute Lymphoblastic Leukemia research: 40k fractional worksMaternal Mental Health During Pregnancy and Postpartum: 39k fractional worksOcular Surface and Contact Lens: 39k fractional worksInjury Epidemiology and Prevention: 32k fractional works

Area is fractional works in that topic. Every name below is a page of its own.