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Science in Yemen

Yemen ranks #105 of 189 countries on research quality in 2022-now (#122 all time), with 7.2k research works and 8.7% of them in the world's top 10%.

World rank, 2022-now
#105
of 189 · #122 all time
Works, 2022-now
7.2k
▲ 91% vs 2018-21
Citations
150k
8.7 per fractional work, all time
Top-10% rate
8.7%
all institutions 10.0%
vs its own fields
0.77×
1.00× is exactly expected
In the world top 100
0
0 in the top 1,000
Open access
69%
world 40%
International
54%
world 18%
Yemen

What is Yemen strongest at in science?

On research quality in 2022-now, Yemen ranks highest in Computer Science (#84 of 128), Engineering (#86 of 131) and Mathematics (#56 of 80). Relative to its size it is most specialised in Drug Discovery, General Dentistry and Numerical Analysis.

FieldWorld rankWhere that sitsTop-10% rateWorksAll time
Computer ScienceField #84 of 128 11.7%755 #88 Institutions
EngineeringField #86 of 131 9.2%889 #99 Institutions
MathematicsField #56 of 80 10.1%231 #70
Materials ScienceField #65 of 87 15.4%278 #72 Institutions
Business, Management and AccountingField #83 of 110 12.4%320 #91 Institutions
Biochemistry, Genetics and Molecular BiologyField #81 of 105 7.9%215 #95
Artificial IntelligenceSubfield #70 of 87 12.0%265 #75 Institutions
Health ProfessionsField #88 of 106 8.4%244 #103 Institutions
MedicineField #130 of 152 5.7%1,404 #143 Institutions
Social SciencesField #131 of 148 8.0%859 #156 Institutions
Arts and HumanitiesField #94 of 103 10.4%203 #107 Institutions
Agricultural and Biological SciencesField #114 of 124 7.4%291 #128 Institutions

Where its research is concentrated

Location quotient: how much more (or less) of each node it does than its size predicts. Drawn around 1×, where "twice the world share" and "half of it" are the same distance apart in opposite directions. A volume reading, which on a country axis is largely population and industrial structure.

  1. Drug DiscoverySubfield · 5.3 works · #33 of 152 active here7.4×
  2. General DentistrySubfield · 22.2 works · #64 of 177 active here6.1×
  3. Numerical AnalysisSubfield · 42.4 works · #59 of 173 active here6.0×
  4. Geriatrics and GerontologySubfield · 50.4 works · #58 of 202 active here5.6×
  5. Modeling and SimulationSubfield · 62.9 works · #67 of 206 active here5.4×
  6. Complementary and Manual TherapySubfield · 17.1 works · #66 of 182 active here4.9×
  7. Applied Microbiology and BiotechnologySubfield · 19.7 works · #77 of 202 active here4.8×
  8. DentistryField · 187.6 works · #68 of 206 active here4.6×
← less than its size predicts1×more →

The whole field profile

All 26 fields at once. A specialist and a generalist produce the same ranked list and a completely different shape.

Agricultural and Biological Sciences: 0.84× its world share, 332 worksAgricultural and Bio…Biochemistry, Genetics and Molecular Biology: 0.56× its world share, 250 worksBiochemistry, Geneti…Immunology and Microbiology: 0.98× its world share, 82 worksImmunology and Micro…Neuroscience: 0.34× its world share, 47 worksNeurosciencePharmacology, Toxicology and Pharmaceutics: 2.10× its world share, 62 worksPharmacology, Toxico…Chemical Engineering: 0.78× its world share, 23 worksChemical EngineeringChemistry: 1.09× its world share, 143 worksChemistryComputer Science: 1.38× its world share, 897 worksComputer ScienceEarth and Planetary Sciences: 0.51× its world share, 67 worksEarth and Planetary …Energy: 0.85× its world share, 65 worksEnergyEngineering: 0.81× its world share, 1,016 worksEngineeringEnvironmental Science: 0.77× its world share, 320 worksEnvironmental ScienceMaterials Science: 1.09× its world share, 318 worksMaterials ScienceMathematics: 2.69× its world share, 264 worksMathematicsPhysics and Astronomy: 0.80× its world share, 149 worksPhysics and AstronomyDentistry: 4.64× its world share, 188 worksDentistryHealth Professions: 1.22× its world share, 268 worksHealth ProfessionsMedicine: 1.01× its world share, 1,620 worksMedicineNursing: 1.80× its world share, 74 worksNursingVeterinary: 1.09× its world share, 12 worksVeterinaryArts and Humanities: 0.98× its world share, 235 worksArts and HumanitiesBusiness, Management and Accounting: 1.39× its world share, 375 worksBusiness, Management…Decision Sciences: 1.83× its world share, 147 worksDecision SciencesEconomics, Econometrics and Finance: 1.15× its world share, 205 worksEconomics, Econometr…Psychology: 0.75× its world share, 191 worksPsychologySocial Sciences: 0.94× its world share, 989 worksSocial Sciences1×world share
more than its size predictsabout as predictedless

Rings at 0.5×, 1× and 2×. Widest outward: Dentistry, 4.6×. Every wedge is a field page.

All 26 fields, with their numbers
  1. Dentistry4.64×188 works
  2. Mathematics2.69×264 works
  3. Pharmacology, Toxicology and Pharmaceutics2.10×62 works
  4. Decision Sciences1.83×147 works
  5. Nursing1.80×74 works
  6. Business, Management and Accounting1.39×375 works
  7. Computer Science1.38×897 works
  8. Health Professions1.22×268 works
  9. Economics, Econometrics and Finance1.15×205 works
  10. Chemistry1.09×143 works
  11. Materials Science1.09×318 works
  12. Veterinary1.09×12 works
  13. Medicine1.01×1,620 works
  14. Immunology and Microbiology0.98×82 works
  15. Arts and Humanities0.98×235 works
  16. Social Sciences0.94×989 works
  17. Energy0.85×65 works
  18. Agricultural and Biological Sciences0.84×332 works
  19. Engineering0.81×1,016 works
  20. Physics and Astronomy0.80×149 works
  21. Chemical Engineering0.78×23 works
  22. Environmental Science0.77×320 works
  23. Psychology0.75×191 works
  24. Biochemistry, Genetics and Molecular Biology0.56×250 works
  25. Earth and Planetary Sciences0.51×67 works
  26. Neuroscience0.34×47 works

Which fields of science does Yemen work in?

In 2022-now, 39% of research in Yemen is in Physical Sciences, 26% in Health Sciences. Its largest fields are Medicine (19%), Engineering (12%), Social Sciences (12%).

Physical Sciences: 3,262 fractional works · 39.1% of its workEngineering: 1,016 fractional works · 12.2% of its workElectrical and Electronic Engineering: 228 fractional works · 2.7% of its workBiomedical Engineering: 148 fractional works · 1.8% of its workAerospace Engineering: 131 fractional works · 1.6% of its workMechanical Engineering: 106 fractional works · 1.3% of its workControl and Systems Engineering: 71 fractional works · 0.9% of its workCivil and Structural Engineering: 71 fractional works · 0.8% of its workBuilding and Construction: 45 fractional works · 0.5% of its workMechanics of Materials: 43 fractional works · 0.5% of its workIndustrial and Manufacturing Engineering: 42 fractional works · 0.5% of its workOcean Engineering: 35 fractional works · 0.4% of its workMedia Technology: 28 fractional works · 0.3% of its workComputational Mechanics: 26 fractional works · 0.3% of its workAutomotive Engineering: 23 fractional works · 0.3% of its workSafety, Risk, Reliability and Quality: 17 fractional works · 0.2% of its workComputer Science: 897 fractional works · 10.8% of its workArtificial Intelligence: 330 fractional works · 4.0% of its workInformation Systems: 213 fractional works · 2.6% of its workComputer Networks and Communications: 120 fractional works · 1.4% of its workComputer Vision and Pattern Recognition: 86 fractional works · 1.0% of its workComputational Theory and Mathematics: 58 fractional works · 0.7% of its workSignal Processing: 33 fractional works · 0.4% of its workComputer Science Applications: 23 fractional works · 0.3% of its workSmaller subfields together: 34 fractional works · 0.4% of its workEnvironmental Science: 320 fractional works · 3.8% of its workHealth, Toxicology and Mutagenesis: 52 fractional works · 0.6% of its workGlobal and Planetary Change: 48 fractional works · 0.6% of its workWater Science and Technology: 46 fractional works · 0.6% of its workManagement, Monitoring, Policy and Law: 40 fractional works · 0.5% of its workPollution: 35 fractional works · 0.4% of its workEnvironmental Engineering: 33 fractional works · 0.4% of its workEcology: 26 fractional works · 0.3% of its workIndustrial and Manufacturing Engineering: 24 fractional works · 0.3% of its workSmaller subfields together: 15 fractional works · 0.2% of its workMaterials Science: 318 fractional works · 3.8% of its workMaterials Chemistry: 172 fractional works · 2.1% of its workPolymers and Plastics: 66 fractional works · 0.8% of its workElectronic, Optical and Magnetic Materials: 39 fractional works · 0.5% of its workBiomaterials: 24 fractional works · 0.3% of its workSmaller subfields together: 17 fractional works · 0.2% of its workMathematics: 264 fractional works · 3.2% of its workApplied Mathematics: 64 fractional works · 0.8% of its workModeling and Simulation: 63 fractional works · 0.8% of its workNumerical Analysis: 42 fractional works · 0.5% of its workGeometry and Topology: 37 fractional works · 0.4% of its workStatistics and Probability: 24 fractional works · 0.3% of its workSmaller subfields together: 34 fractional works · 0.4% of its workPhysics and Astronomy: 149 fractional works · 1.8% of its workAtomic and Molecular Physics, and Optics: 54 fractional works · 0.6% of its workAstronomy and Astrophysics: 35 fractional works · 0.4% of its workStatistical and Nonlinear Physics: 32 fractional works · 0.4% of its workSmaller subfields together: 28 fractional works · 0.3% of its workChemistry: 143 fractional works · 1.7% of its workOrganic Chemistry: 77 fractional works · 0.9% of its workAnalytical Chemistry: 29 fractional works · 0.3% of its workSmaller subfields together: 38 fractional works · 0.5% of its workEarth and Planetary Sciences: 67 fractional works · 0.8% of its workOceanography: 17 fractional works · 0.2% of its workSmaller subfields together: 50 fractional works · 0.6% of its workEnergy: 65 fractional works · 0.8% of its workRenewable Energy, Sustainability and the Environment: 52 fractional works · 0.6% of its workSmaller subfields together: 13 fractional works · 0.2% of its workChemical Engineering: 23 fractional works · 0.3% of its workHealth Sciences: 2,161 fractional works · 25.9% of its workMedicine: 1,620 fractional works · 19.4% of its workSurgery: 185 fractional works · 2.2% of its workPublic Health, Environmental and Occupational Health: 174 fractional works · 2.1% of its workEpidemiology: 135 fractional works · 1.6% of its workPediatrics, Perinatology and Child Health: 84 fractional works · 1.0% of its workPulmonary and Respiratory Medicine: 77 fractional works · 0.9% of its workInfectious Diseases: 72 fractional works · 0.9% of its workOncology: 70 fractional works · 0.8% of its workCardiology and Cardiovascular Medicine: 62 fractional works · 0.7% of its workEndocrinology, Diabetes and Metabolism: 58 fractional works · 0.7% of its workPhysiology: 57 fractional works · 0.7% of its workRadiology, Nuclear Medicine and Imaging: 52 fractional works · 0.6% of its workPharmacology: 52 fractional works · 0.6% of its workGeriatrics and Gerontology: 50 fractional works · 0.6% of its workComplementary and alternative medicine: 41 fractional works · 0.5% of its workRheumatology: 30 fractional works · 0.4% of its workHematology: 30 fractional works · 0.4% of its workEmergency Medicine: 30 fractional works · 0.4% of its workHepatology: 29 fractional works · 0.3% of its workPathology and Forensic Medicine: 28 fractional works · 0.3% of its workGenetics: 27 fractional works · 0.3% of its workOphthalmology: 21 fractional works · 0.2% of its workHealth Informatics: 21 fractional works · 0.2% of its workObstetrics and Gynecology: 20 fractional works · 0.2% of its workNeurology: 20 fractional works · 0.2% of its workPsychiatry and Mental health: 19 fractional works · 0.2% of its workRehabilitation: 18 fractional works · 0.2% of its workDermatology: 18 fractional works · 0.2% of its workSmaller subfields together: 138 fractional works · 1.7% of its workHealth Professions: 268 fractional works · 3.2% of its workGeneral Health Professions: 125 fractional works · 1.5% of its workHealth Information Management: 35 fractional works · 0.4% of its workEmergency Medical Services: 35 fractional works · 0.4% of its workComplementary and Manual Therapy: 17 fractional works · 0.2% of its workRadiological and Ultrasound Technology: 17 fractional works · 0.2% of its workSmaller subfields together: 39 fractional works · 0.5% of its workDentistry: 188 fractional works · 2.3% of its workOral Surgery: 72 fractional works · 0.9% of its workPeriodontics: 51 fractional works · 0.6% of its workOrthodontics: 42 fractional works · 0.5% of its workGeneral Dentistry: 22 fractional works · 0.3% of its workNursing: 73 fractional works · 0.9% of its workNutrition and Dietetics: 68 fractional works · 0.8% of its workSmaller subfields together: 6 fractional works · 0.1% of its workVeterinary: 12 fractional works · 0.1% of its workSocial Sciences: 2,142 fractional works · 25.7% of its workSocial Sciences: 989 fractional works · 11.9% of its workSociology and Political Science: 330 fractional works · 4.0% of its workEducation: 226 fractional works · 2.7% of its workPolitical Science and International Relations: 99 fractional works · 1.2% of its workTransportation: 87 fractional works · 1.0% of its workCultural Studies: 37 fractional works · 0.4% of its workCommunication: 34 fractional works · 0.4% of its workDemography: 27 fractional works · 0.3% of its workHealth: 25 fractional works · 0.3% of its workLaw: 20 fractional works · 0.2% of its workSafety Research: 19 fractional works · 0.2% of its workSmaller subfields together: 85 fractional works · 1.0% of its workBusiness, Management and Accounting: 375 fractional works · 4.5% of its workStrategy and Management: 103 fractional works · 1.2% of its workAccounting: 90 fractional works · 1.1% of its workManagement Information Systems: 56 fractional works · 0.7% of its workOrganizational Behavior and Human Resource Management: 48 fractional works · 0.6% of its workMarketing: 35 fractional works · 0.4% of its workManagement of Technology and Innovation: 32 fractional works · 0.4% of its workSmaller subfields together: 11 fractional works · 0.1% of its workArts and Humanities: 235 fractional works · 2.8% of its workLanguage and Linguistics: 109 fractional works · 1.3% of its workLiterature and Literary Theory: 56 fractional works · 0.7% of its workArcheology: 29 fractional works · 0.4% of its workSmaller subfields together: 41 fractional works · 0.5% of its workEconomics, Econometrics and Finance: 205 fractional works · 2.5% of its workEconomics and Econometrics: 148 fractional works · 1.8% of its workFinance: 33 fractional works · 0.4% of its workGeneral Economics, Econometrics and Finance: 24 fractional works · 0.3% of its workPsychology: 191 fractional works · 2.3% of its workClinical Psychology: 65 fractional works · 0.8% of its workSocial Psychology: 47 fractional works · 0.6% of its workDevelopmental and Educational Psychology: 46 fractional works · 0.5% of its workExperimental and Cognitive Psychology: 27 fractional works · 0.3% of its workSmaller subfields together: 6 fractional works · 0.1% of its workDecision Sciences: 147 fractional works · 1.8% of its workManagement Science and Operations Research: 102 fractional works · 1.2% of its workInformation Systems and Management: 34 fractional works · 0.4% of its workSmaller subfields together: 11 fractional works · 0.1% of its workLife Sciences: 772 fractional works · 9.3% of its workAgricultural and Biological Sciences: 332 fractional works · 4.0% of its workPlant Science: 130 fractional works · 1.6% of its workFood Science: 73 fractional works · 0.9% of its workEcology, Evolution, Behavior and Systematics: 24 fractional works · 0.3% of its workGeneral Agricultural and Biological Sciences: 23 fractional works · 0.3% of its workAquatic Science: 22 fractional works · 0.3% of its workInsect Science: 19 fractional works · 0.2% of its workSmaller subfields together: 41 fractional works · 0.5% of its workBiochemistry, Genetics and Molecular Biology: 250 fractional works · 3.0% of its workMolecular Biology: 126 fractional works · 1.5% of its workGenetics: 41 fractional works · 0.5% of its workSmaller subfields together: 83 fractional works · 1.0% of its workImmunology and Microbiology: 82 fractional works · 1.0% of its workParasitology: 28 fractional works · 0.3% of its workImmunology: 23 fractional works · 0.3% of its workApplied Microbiology and Biotechnology: 20 fractional works · 0.2% of its workSmaller subfields together: 11 fractional works · 0.1% of its workPharmacology, Toxicology and Pharmaceutics: 62 fractional works · 0.7% of its workPharmacology: 33 fractional works · 0.4% of its workSmaller subfields together: 29 fractional works · 0.3% of its workNeuroscience: 47 fractional works · 0.6% of its workALL ITS WORKYemen8,337fractional works, 2022-now
Life Sciences9%Physical Sciences39%Health Sciences26%Social Sciences26%

Each ring splits the one inside it: the four domains of science, their fields, their subfields. Size is fractional works in 2022-now. Every slice is a page; the interactive view zooms down to single topics and colours each by how much more of it this country does than the world.

Its 4 domains and 26 fields, with their numbers
    1. Engineering1,01612.2%
    2. Computer Science89710.8%
    3. Environmental Science3203.8%
    4. Materials Science3183.8%
    5. Mathematics2643.2%
    6. Physics and Astronomy1491.8%
    7. Chemistry1431.7%
    8. Earth and Planetary Sciences670.8%
    9. Energy650.8%
    10. Chemical Engineering230.3%
  2. Health Sciences2,16125.9%
    1. Medicine1,62019.4%
    2. Health Professions2683.2%
    3. Dentistry1882.3%
    4. Nursing730.9%
    5. Veterinary120.1%
  3. Social Sciences2,14225.7%
    1. Social Sciences98911.9%
    2. Business, Management and Accounting3754.5%
    3. Arts and Humanities2352.8%
    4. Economics, Econometrics and Finance2052.5%
    5. Psychology1912.3%
    6. Decision Sciences1471.8%
    1. Agricultural and Biological Sciences3324.0%
    2. Biochemistry, Genetics and Molecular Biology2503.0%
    3. Immunology and Microbiology821.0%
    4. Pharmacology, Toxicology and Pharmaceutics620.7%
    5. Neuroscience470.6%
All of science, and how each field's share has moved since 1950: the Science domain explorer

Which keywords describe research in Yemen?

By fractional works in 2022-now, weighted toward what it does more of than the world: Machine Learning, Epidemiology, Deep Learning, Supply Chain Management, Healthcare, Malay Language, Sharia Law and Ethnicity.

▲ more of its work than of the world's◆ about the world's share▼ less than the world's

Size is fractional works in 2022-now in the topics tagged with each word; colour is the word's share of this country's work against its share of the world's. The 40 words are chosen for being large and distinctive. Each links to the topic it comes from most.

All 40 words, with their numbers
  1. Machine Learning448▲ 1.61×94 topics
  2. Epidemiology430▲ 1.30×134 topics
  3. Deep Learning344▲ 1.19×84 topics
  4. Healthcare203▲ 2.1×31 topics
  5. Artificial Intelligence196▲ 1.65×57 topics
  6. Globalization192▲ 1.17×100 topics
  7. Supply Chain Management188▲ 2.5×23 topics
  8. Education169▲ 1.18×102 topics
  9. Ethnicity125▲ 4.0×15 topics
  10. Digital Transformation124▲ 2.8×26 topics
  11. Literature121▲ 2.6×27 topics
  12. Culture120▲ 2.8×21 topics
  13. History114▲ 1.97×25 topics
  14. Knowledge Management108▲ 2.3×30 topics
  15. Legal Regulation106▲ 5.7×8 topics
  16. Philosophy104▲ 2.8×22 topics
  17. Social Influence103▲ 5.8×3 topics
  18. Economic Security99▲ 5.6×7 topics
  19. Science99▲ 4.8×7 topics
  20. Islam98▲ 5.7×4 topics
  21. Customer Satisfaction98▲ 3.7×9 topics
  22. IoT97▲ 3.1×17 topics
  23. Smart Cities97▲ 4.4×8 topics
  24. Malay Language96▲ 8.2×1 topic
  25. Sharia Law96▲ 8.1×1 topic
  26. Corpus Linguistics85▲ 4.8×5 topics
  27. Foresight84▲ 7.7×2 topics
  28. Organizational Performance82▲ 3.8×11 topics
  29. Unmanned Aerial Vehicles81▲ 5.2×5 topics
  30. Strategic Planning80▲ 6.5×5 topics
  31. Design80▲ 5.8×6 topics
  32. Public Oversight79▲ 7.7×1 topic
  33. Transport Policy79▲ 7.7×1 topic
  34. Modernization78▲ 5.1×3 topics
  35. Air Force78▲ 7.9×1 topic
  36. Warfare78▲ 7.9×1 topic
  37. Nonlinear Equations76▲ 7.1×6 topics
  38. Social Media Marketing62▲ 15×1 topic
  39. Fractional Calculus58▲ 12×2 topics
  40. Cross-Cultural Communication57▲ 7.6×3 topics

Which research topics does Yemen publish the most in?

Its largest topics in 2022-now are Linguistic, Cultural, and Literary Studies, Legal and Regulatory Analysis, Military Technology and Strategies.

Linguistic, Cultural, an…96Linguistic, Cultural, and Literary Studies: 96 fractional worksLegal and Regulatory Ana…79Legal and Regulatory Analysis: 79 fractional worksMilitary Technology and …78Military Technology and Strategies: 78 fractional worksOrganizational and Emplo…62Organizational and Employee Performance: 62 fractional worksFractional Differential Equations Solutions: 49 fractional worksPharmaceutical Practices and Patient Outcomes: 49 fractional worksTranslation Studies and Practices: 39 fractional worksGlobal Maternal and Child Health: 38 fractional worksIslamic Finance and Banking Studies: 37 fractional worksChild Nutrition and Water Access: 36 fractional worksNetwork Security and Intrusion Detection: 34 fractional worksFuzzy and Soft Set Theory: 30 fractional works
Sociology and Political ScienceTransportationAerospace EngineeringArtificial Intelligence8 others

Area is fractional works in 2022-now; colour is the subfield each topic belongs to. Every tile is a topic page.

  1. 1 Linguistic, Cultural, and Literary Studies Sociology and Political Science 96 works
  2. 2 Legal and Regulatory Analysis Transportation 79 works
  3. 3 Military Technology and Strategies Aerospace Engineering 78 works
  4. 4 Organizational and Employee Performance Artificial Intelligence 62 works
  5. 5 Fractional Differential Equations Solutions Modeling and Simulation 49 works
  6. 6 Pharmaceutical Practices and Patient Outcomes Geriatrics and Gerontology 49 works
  7. 7 Translation Studies and Practices Language and Linguistics 39 works
  8. 8 Global Maternal and Child Health Pediatrics, Perinatology and Child Health 38 works
  9. 9 Islamic Finance and Banking Studies Accounting 37 works
  10. 10 Child Nutrition and Water Access Nutrition and Dietetics 36 works
  11. 11 Network Security and Intrusion Detection Computer Networks and Communications 34 works
  12. 12 Fuzzy and Soft Set Theory Management Science and Operations Research 30 works

Which universities in Yemen lead research?

University of Science and Technology, Sana'a University and Ibb University rank highest in Yemen on research quality in 2022-now.

0%10%20%mean 10.7133%fractional works (log) →share in the world top 10% →Ibb UniversityTaiz UniversitySana'a UniversityUniversity of Scienc…
above the meannear itbelow it

One dot per institution in the list below. The upper left is the interesting corner.

  1. 1University of Science and TechnologyUniversity · Aden · #2,023 worldwide5.0% top 10% · 2.1k works
  2. 2Sana'a UniversityUniversity · Sanaa · #5,435 worldwide7.9% top 10% · 1.7k works
  3. 3Ibb UniversityUniversity · Ibb · #5,619 worldwide15.3% top 10% · 445 works
  4. 4Taiz UniversityUniversity · Ta‘izz · #6,065 worldwide11.9% top 10% · 445 works
  5. 5Thamar UniversityUniversity · Dhamār · #6,083 worldwide12.1% top 10% · 474 works
  6. 6University of AdenUniversity · Aden · #7,265 worldwide6.6% top 10% · 551 works
  7. 7Hodeidah UniversityUniversity · Al Hudaydah · #8,513 worldwide12.5% top 10% · 242 works
  8. 8Hadhramout UniversityUniversity · Mukalla · #8,980 worldwide10.5% top 10% · 264 works
  9. 9Al-Razi UniversityUniversity · Sanaa · #9,469 worldwide22.9% top 10% · 116 works
  10. 10Amran UniversityUniversity · ‘Amrān · #11,170 worldwide17.5% top 10% · 152 works
  11. 11Yemenia UniversityUniversity · Sanaa · #11,887 worldwide6.2% top 10% · 137 works
  12. 12Saba UniversityUniversity · Sanaa · #12,335 worldwide9.9% top 10% · 117 works
  13. 13Albaydha UniversityUniversity · Al Bayda · #12,430 worldwide5.9% top 10% · 134 works
  14. 14University of Modern SciencesUniversity · Sanaa · #12,647 worldwide11.8% top 10% · 103 works
  15. 15Al-Nasser UniversityUniversity · Sanaa · #18,358 worldwide4.7% top 10% · 67 works

The track on each row is its top-10% rate; the tick is the average of all institutions, 10.0% (how it is set): teal above it, red below.

All ranked institutions in Yemen

Who are the top researchers in Yemen?

Hamood Mohammed Al‐Hattami, Abdulwahab Rajeh and Mohammed A. Al‐Hakimi rank highest among researchers based in Yemen.

  1. 1 Hamood Mohammed Al‐Hattami #33,148 worldwide 1.4k citations · 60 works
  2. 2 Abdulwahab Rajeh #54,107 worldwide 5.9k citations · 92 works
  3. 3 Mohammed A. Al‐Hakimi #61,642 worldwide 1.2k citations · 42 works
  4. 4 Saeed Rabea Baatwah #166,289 worldwide 933 citations · 51 works
  5. 5 Saeed Hamood Alsamhi #167,907 worldwide 7.2k citations · 201 works
  6. 6 Ghaleb M. Asnag #214,813 worldwide 2k citations · 56 works
  7. 7 Ibraheem Saleh Al Koliby #241,485 worldwide 420 citations · 27 works
  8. 8 Fahmi Y. Al-Ashwal #247,148 worldwide 4.1k citations · 51 works
  9. 9 Belal Ali Abdulraheem Ghaleb #254,924 worldwide 674 citations · 23 works
  10. 10 Mohammed A. Al‐Bukhrani #266,796 worldwide 280 citations · 20 works
Top researchers in Yemen

How open and international is Yemen's research?

69% of its research is openly available (world: 40%), and 54% is written with international co-authors (world: 18%).

openly available69.0%not open31.0%

World: 40% of research is openly available.

with international co-authors53.6%domestic only46.4%

World: 18% is written across borders.

In 2022-now, 76% of its research is openly available (world 63%) and 55% is written with co-authors abroad (world 22%). Against what its own mix of topics predicts, that is 1.17× the expected open access and 2.46× the expected international share, which puts it #14 of 173 countries on openness.

How has Yemen's research grown?

Output in 2022-2025 was 91% higher than in 2018-2021.

still counting1990200020102020
grewheldshrank

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

Its share of all research

Growing output can still be a shrinking share: all of science grows. This is Yemen as a percentage of every work published that year, 0.035% in 2024.

still counting0.020%0.040%Yemen0.036% in 202519801990200020102020

Fractional works of Yemen over all fractional works that year. How the balance of science has shifted.

How much of it reaches the world top 10%

Over the whole record, 8.1% of its 17k works since 1950 reached the world top 10% for their field and year.

still counting5%10%15%all institutions10.0% in 2025Yemen8.6% in 2025200020102020

Of each year's output, the share that reached the world's 10% most cited for its field and year. Peak 10.5% in 2022.

Which countries have research most like Yemen's?

Libya is Yemen's closest research twin: of all countries, its research is spread across the fields most like Yemen's, with both strong in Dentistry.

  1. 1 LibyaBoth strong in Dentistry, Pharmacology, Toxicology and Pharmaceutics, Nursing 0.75 Compare
  2. 2 PakistanBoth strong in Dentistry, Pharmacology, Toxicology and Pharmaceutics, Nursing 0.73 Compare
  3. 3 IraqBoth strong in Dentistry, Pharmacology, Toxicology and Pharmaceutics, Mathematics 0.70 Compare
  4. 4 JordanBoth strong in Mathematics, Decision Sciences, Pharmacology, Toxicology and Pharmaceutics 0.69 Compare
  5. 5 SyriaBoth strong in Dentistry, Pharmacology, Toxicology and Pharmaceutics, Nursing 0.67 Compare

Similarity is the correlation of each side's location quotients across every field it publishes in, on a log scale: 1 is the same shape of research, 0 is unrelated. It ignores size. How it is measured.

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Yemen on Science Explorer

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Research fields in Yemen

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