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University · Jimma · Ethiopia

Rift Valley University

riftvalleyuniversity.netROR OpenAlex
World rank, all time
#29,382
of 34,923
Rank in Ethiopia
#61
of 63
Research works
135
▲ 63% vs 2018-21
Citations
1.8k
13.4 per fractional work
Top-10% rate
9.3%
all institutions 10.0%
vs its own fields
0.95×
1.00× is exactly expected
Open access
82%
world 40%
International
25%
world 18%
Rift Valley University

Which fields of science does Rift Valley University work in?

In 2022-now, 52% of research at Rift Valley University is in Health Sciences, 21% in Social Sciences. Its largest fields are Medicine (40%), Health Professions (10%), Social Sciences (9%). It does 2.1× the world's share of Health Sciences.

Health Sciences: 34 fractional works · 52.5% of its workMedicine: 26 fractional works · 40.4% of its workPublic Health, Environmental and Occupational Health: 4 fractional works · 6.4% of its workInfectious Diseases: 3 fractional works · 5.3% of its workEpidemiology: 3 fractional works · 5.1% of its workPediatrics, Perinatology and Child Health: 3 fractional works · 3.9% of its workNeurology: 1 fractional works · 2.0% of its workObstetrics and Gynecology: 1 fractional works · 1.8% of its workEmergency Medicine: 1 fractional works · 1.6% of its workSurgery: 1 fractional works · 1.6% of its workPulmonary and Respiratory Medicine: 1 fractional works · 1.4% of its workOncology: 1 fractional works · 1.3% of its workAnesthesiology and Pain Medicine: 1 fractional works · 1.3% of its workRheumatology: 1 fractional works · 1.2% of its workEndocrinology, Diabetes and Metabolism: 1 fractional works · 1.1% of its workPhysiology: 1 fractional works · 1.1% of its workHepatology: 1 fractional works · 1.0% of its workPharmacology: 1 fractional works · 0.9% of its workGastroenterology: 0 fractional works · 0.5% of its workNephrology: 0 fractional works · 0.5% of its workPathology and Forensic Medicine: 0 fractional works · 0.5% of its workCardiology and Cardiovascular Medicine: 0 fractional works · 0.4% of its workFamily Practice: 0 fractional works · 0.3% of its workOphthalmology: 0 fractional works · 0.3% of its workPsychiatry and Mental health: 0 fractional works · 0.3% of its workRadiology, Nuclear Medicine and Imaging: 0 fractional works · 0.3% of its workReproductive Medicine: 0 fractional works · 0.3% of its workHematology: 0 fractional works · 0.2% of its workHealth Professions: 7 fractional works · 10.3% of its workGeneral Health Professions: 4 fractional works · 5.7% of its workHealth Information Management: 1 fractional works · 1.8% of its workRadiological and Ultrasound Technology: 1 fractional works · 0.9% of its workOccupational Therapy: 0 fractional works · 0.8% of its workEmergency Medical Services: 0 fractional works · 0.5% of its workPharmacy: 0 fractional works · 0.5% of its workSmaller subfields together: 0 fractional works · 0.1% of its workNursing: 1 fractional works · 1.8% of its workNutrition and Dietetics: 1 fractional works · 1.8% of its workSocial Sciences: 13 fractional works · 20.5% of its workSocial Sciences: 6 fractional works · 9.3% of its workEducation: 2 fractional works · 2.5% of its workHealth: 1 fractional works · 2.0% of its workSociology and Political Science: 1 fractional works · 1.1% of its workGender Studies: 1 fractional works · 0.9% of its workDemography: 0 fractional works · 0.8% of its workHuman Factors and Ergonomics: 0 fractional works · 0.5% of its workPolitical Science and International Relations: 0 fractional works · 0.4% of its workSafety Research: 0 fractional works · 0.4% of its workAnthropology: 0 fractional works · 0.3% of its workCultural Studies: 0 fractional works · 0.3% of its workUrban Studies: 0 fractional works · 0.3% of its workSmaller subfields together: 0 fractional works · 0.1% of its workEconomics, Econometrics and Finance: 2 fractional works · 3.8% of its workFinance: 1 fractional works · 2.1% of its workEconomics and Econometrics: 1 fractional works · 1.7% of its workPsychology: 2 fractional works · 3.7% of its workClinical Psychology: 1 fractional works · 2.1% of its workSocial Psychology: 1 fractional works · 0.9% of its workApplied Psychology: 0 fractional works · 0.5% of its workExperimental and Cognitive Psychology: 0 fractional works · 0.3% of its workBusiness, Management and Accounting: 2 fractional works · 3.5% of its workOrganizational Behavior and Human Resource Management: 1 fractional works · 1.3% of its workMarketing: 1 fractional works · 1.0% of its workStrategy and Management: 1 fractional works · 1.0% of its workManagement of Technology and Innovation: 0 fractional works · 0.3% of its workArts and Humanities: 0 fractional works · 0.1% of its workPhysical Sciences: 12 fractional works · 17.6% of its workEnvironmental Science: 5 fractional works · 7.8% of its workGlobal and Planetary Change: 2 fractional works · 3.0% of its workHealth, Toxicology and Mutagenesis: 1 fractional works · 2.0% of its workPollution: 1 fractional works · 1.2% of its workEcology: 0 fractional works · 0.6% of its workEnvironmental Engineering: 0 fractional works · 0.3% of its workManagement, Monitoring, Policy and Law: 0 fractional works · 0.3% of its workNature and Landscape Conservation: 0 fractional works · 0.3% of its workWater Science and Technology: 0 fractional works · 0.3% of its workMathematics: 3 fractional works · 4.0% of its workStatistics and Probability: 1 fractional works · 2.2% of its workApplied Mathematics: 1 fractional works · 1.0% of its workModeling and Simulation: 0 fractional works · 0.7% of its workSmaller subfields together: 0 fractional works · 0.1% of its workComputer Science: 2 fractional works · 3.3% of its workInformation Systems: 2 fractional works · 2.3% of its workArtificial Intelligence: 0 fractional works · 0.5% of its workComputer Vision and Pattern Recognition: 0 fractional works · 0.5% of its workEngineering: 1 fractional works · 1.8% of its workBuilding and Construction: 0 fractional works · 0.7% of its workCivil and Structural Engineering: 0 fractional works · 0.3% of its workMedia Technology: 0 fractional works · 0.3% of its workSafety, Risk, Reliability and Quality: 0 fractional works · 0.3% of its workSmaller subfields together: 0 fractional works · 0.3% of its workEnergy: 0 fractional works · 0.3% of its workEnergy Engineering and Power Technology: 0 fractional works · 0.3% of its workPhysics and Astronomy: 0 fractional works · 0.3% of its workEarth and Planetary Sciences: 0 fractional works · 0.2% of its workLife Sciences: 6 fractional works · 9.4% of its workAgricultural and Biological Sciences: 4 fractional works · 5.5% of its workPlant Science: 2 fractional works · 3.2% of its workFood Science: 1 fractional works · 1.4% of its workGeneral Agricultural and Biological Sciences: 0 fractional works · 0.5% of its workSmaller subfields together: 0 fractional works · 0.4% of its workBiochemistry, Genetics and Molecular Biology: 1 fractional works · 2.1% of its workGenetics: 1 fractional works · 0.8% of its workMolecular Biology: 0 fractional works · 0.7% of its workCancer Research: 0 fractional works · 0.3% of its workMolecular Medicine: 0 fractional works · 0.3% of its workSmaller subfields together: 0 fractional works · 0.1% of its workImmunology and Microbiology: 1 fractional works · 1.4% of its workApplied Microbiology and Biotechnology: 1 fractional works · 0.9% of its workMicrobiology: 0 fractional works · 0.3% of its workImmunology: 0 fractional works · 0.3% of its workNeuroscience: 0 fractional works · 0.3% of its workCellular and Molecular Neuroscience: 0 fractional works · 0.3% of its workPharmacology, Toxicology and Pharmaceutics: 0 fractional works · 0.1% of its workALL ITS WORKRift ValleyUniversity66fractional works, 2022-now
Life Sciences9%Physical Sciences18%Health Sciences52%Social Sciences21%

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 institution does than the world.

Its 4 domains and 20 fields, with their numbers
    1. Medicine2640.4%
    2. Health Professions710.3%
    3. Nursing11.8%
    1. Social Sciences69.3%
    2. Economics, Econometrics and Finance23.8%
    3. Psychology23.7%
    4. Business, Management and Accounting23.5%
    5. Arts and Humanities00.1%
    1. Environmental Science57.8%
    2. Mathematics34.0%
    3. Computer Science23.3%
    4. Engineering11.8%
    5. Energy00.3%
    6. Physics and Astronomy00.3%
    7. Earth and Planetary Sciences00.2%
    1. Agricultural and Biological Sciences45.5%
    2. Biochemistry, Genetics and Molecular Biology12.1%
    3. Immunology and Microbiology11.4%
    4. Neuroscience00.3%
    5. Pharmacology, Toxicology and Pharmaceutics00.1%
All of science, and how each field's share has moved since 1950: the Science domain explorer

Field profile

Location quotient across every field it publishes in: outside the ring is more than an institution of this size would be expected to publish, inside it is less.

Agricultural and Biological Sciences: 1.15× its world share, 4 worksAgricultural and Bio…Biochemistry, Genetics and Molecular Biology: 0.40× its world share, 1 worksBiochemistry, Geneti…Immunology and Microbiology: 1.39× its world share, 1 worksImmunology and Micro…Neuroscience: 0.16× its world share, 0 worksNeurosciencePharmacology, Toxicology and Pharmaceutics: 0.36× its world share, 0 worksPharmacology, Toxico…Computer Science: 0.42× its world share, 2 worksComputer ScienceEarth and Planetary Sciences: 0.10× its world share, 0 worksEarth and Planetary …Energy: 0.28× its world share, 0 worksEnergyEngineering: 0.12× its world share, 1 worksEngineeringEnvironmental Science: 1.58× its world share, 5 worksEnvironmental ScienceMathematics: 3.38× its world share, 3 worksMathematicsPhysics and Astronomy: 0.11× its world share, 0 worksPhysics and AstronomyHealth Professions: 3.91× its world share, 7 worksHealth ProfessionsMedicine: 2.10× its world share, 26 worksMedicineNursing: 3.74× its world share, 1 worksNursingArts and Humanities: 0.04× its world share, 0 worksArts and HumanitiesBusiness, Management and Accounting: 1.10× its world share, 2 worksBusiness, Management…Economics, Econometrics and Finance: 1.78× its world share, 2 worksEconomics, Econometr…Psychology: 1.23× its world share, 2 worksPsychologySocial Sciences: 0.74× its world share, 6 worksSocial Sciences1×world share
more than its size predictsabout as predictedless

Rings at 0.5×, 1× and 2×. Widest outward: Health Professions, 3.9×. Every wedge is a field page.

All 20 fields, with their numbers
  1. Health Professions3.91×7 works
  2. Nursing3.74×1 works
  3. Mathematics3.38×3 works
  4. Medicine2.10×26 works
  5. Economics, Econometrics and Finance1.78×2 works
  6. Environmental Science1.58×5 works
  7. Immunology and Microbiology1.39×1 works
  8. Psychology1.23×2 works
  9. Agricultural and Biological Sciences1.15×4 works
  10. Business, Management and Accounting1.10×2 works
  11. Social Sciences0.74×6 works
  12. Computer Science0.42×2 works
  13. Biochemistry, Genetics and Molecular Biology0.40×1 works
  14. Pharmacology, Toxicology and Pharmaceutics0.36×0 works
  15. Energy0.28×0 works
  16. Neuroscience0.16×0 works
  17. Engineering0.12×1 works
  18. Physics and Astronomy0.11×0 works
  19. Earth and Planetary Sciences0.10×0 works
  20. Arts and Humanities0.04×0 works

Who are the top researchers at Rift Valley University?

Ranked on the quality score, Berhane Asfaw, Yonas Beyene and Gemechu Dereje Feyissa lead among researchers whose main affiliation is Rift Valley University.

  1. 1 Berhane Asfaw Ethiopia · #55,476 worldwide 8.9k citations · 73 works
  2. 2 Yonas Beyene Ethiopia · #238,076 worldwide 4.4k citations · 66 works
  3. 3 Gemechu Dereje Feyissa Ethiopia · #2,707,807 worldwide 4 citations · 15 works
  4. 4 Jason Stearns Ethiopia · #3,247,953 worldwide 193 citations · 17 works
  5. 5 Mulualem Endeshaw Ethiopia · #3,327,679 worldwide 279 citations · 21 works
All ranked researchers at Rift Valley University

What are the most cited papers from Rift Valley University?

The most cited paper from Rift Valley University is "Pleistocene Homo sapiens from Middle Awash, Ethiopia" (Tim D. White, Berhane Asfaw, David Degusta et al., 2003), with 1,030 citations. Next come "Ardipithecus ramidus and the Paleobiology of Early Hominids" (679) and "Australopithecus garhi : A New Species of Early Hominid from Ethiopia" (497).

Most cited papers
#PaperReleasedCitations
1 Pleistocene Homo sapiens from Middle Awash, Ethiopia Tim D. White, Berhane Asfaw, David Degusta et al. · Nature Jun 2003 1,030
2 Ardipithecus ramidus and the Paleobiology of Early Hominids Tim D. White, Berhane Asfaw, Yonas Beyene et al. · Science Oct 2009 679
3 Australopithecus garhi : A New Species of Early Hominid from Ethiopia Berhane Asfaw, Tim D. White, Owen Lovejoy et al. · Science 23 Apr 1999 497
4 Plant use in Odo-Bulu and Demaro, Bale region, Ethiopia Rainer Willi Bussmann, Paul Swartzinsky, Aserat Worede et al. · Journal of Ethnobiology and Ethnomedicine Open access 24 Sep 2011 417
5 Stratigraphic, chronological and behavioural contexts of Pleistocene Homo sapiens from Middle Awash, Ethiopia J. Desmond Clark, Yonas Beyene, Giday WoldeGabriel et al. · Nature Jun 2003 408
All 60 most cited papers, with filters and sorting

Which keywords describe research at Rift Valley University?

By fractional works in 2022-now, weighted toward what it does more of than the world: Epidemiology, Maternal Mortality, Global Burden, Health Inequalities, Community Health Workers, Child Mortality, Health Systems and Health Effects.

▲ 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 institution'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. Epidemiology8▲ 3.0×24 topics
  2. Global Burden3▲ 8.6×7 topics
  3. Maternal Mortality3▲ 21×4 topics
  4. Risk Factors3▲ 4.0×10 topics
  5. Public Health3▲ 2.9×14 topics
  6. Health Inequalities2▲ 32×2 topics
  7. Community Health Workers2▲ 42×2 topics
  8. Health Effects2▲ 6.2×6 topics
  9. Child Mortality2▲ 48×1 topic
  10. Health Systems2▲ 48×1 topic
  11. Food Safety2▲ 11×5 topics
  12. Risk Perception2▲ 12×4 topics
  13. Antiretroviral Therapy2▲ 19×4 topics
  14. Immune Response2▲ 5.5×5 topics
  15. Biodiversity Conservation2▲ 6.9×4 topics
  16. Child Development2▲ 6.2×4 topics
  17. Pesticides2▲ 36×3 topics
  18. Risk Assessment2▲ 3.8×3 topics
  19. Health System Reform2▲ 35×2 topics
  20. Mortality Rates2▲ 26×2 topics
  21. Social Determinants of Health2▲ 12×2 topics
  22. Adolescent Health2▲ 27×1 topic
  23. Infectious Diseases2▲ 6.9×5 topics
  24. Sexual Behavior2▲ 63×1 topic
  25. Vaccine2▲ 5.9×4 topics
  26. Cancer Incidence1▲ 16×2 topics
  27. HIV Transmission1▲ 28×2 topics
  28. Health Financing1▲ 61×1 topic
  29. SARS-CoV-21▲ 7.1×4 topics
  30. Universal Coverage1▲ 61×1 topic
  31. Drug Resistance1▲ 7.1×3 topics
  32. Dysmenorrhea1▲ 98×1 topic
  33. Exposure1▲ 40×2 topics
  34. ICT1▲ 15×1 topic
  35. Preexposure Prophylaxis1▲ 40×1 topic
  36. Premenstrual Syndrome1▲ 98×1 topic
  37. Stigma and Discrimination1▲ 40×1 topic
  38. financial access1▲ 51×1 topic
  39. COVID-19 Vaccine1▲ 26×1 topic
  40. Vaccine Hesitancy1▲ 28×1 topic

Which research topics does Rift Valley University publish most on?

By volume in 2022-now: Global Maternal and Child Health, Adolescent Sexual and Reproductive Health, Healthcare Systems and Reforms and Economic Growth and Development.

Global Maternal and Chil…2Global Maternal and Child Health: 2 fractional worksAdolescent Sexual and Re…2Adolescent Sexual and Reproductive Health: 2 fractional worksHealthcare Systems and Reforms: 1 fractional worksEconomic Growth and Development: 1 fractional worksMenstrual Health and Disorders: 1 fractional worksHIV/AIDS Research and Interventions: 1 fractional worksVaccine Coverage and Hesitancy: 1 fractional worksCervical Cancer and HPV …1Cervical Cancer and HPV Research: 1 fractional worksPesticide Exposure and Toxicity: 1 fractional worksFamily and Disability Support Research: 1 fractional works
Pediatrics, Perinatology and Child HealthGeneral Health ProfessionsFinanceInformation Systems6 others

Area is fractional works; colour is the subfield each topic belongs to.

  1. 1 Global Maternal and Child Health Pediatrics, Perinatology and Child Health 2 works
  2. 2 Adolescent Sexual and Reproductive Health General Health Professions 2 works
  3. 3 Healthcare Systems and Reforms Finance 1 works
  4. 4 Economic Growth and Development Information Systems 1 works
  5. 5 Menstrual Health and Disorders Public Health, Environmental and Occupational Health 1 works
  6. 6 HIV/AIDS Research and Interventions Infectious Diseases 1 works
  7. 7 Vaccine Coverage and Hesitancy Health 1 works
  8. 8 Cervical Cancer and HPV Research Epidemiology 1 works
  9. 9 Pesticide Exposure and Toxicity Plant Science 1 works
  10. 10 Family and Disability Support Research Clinical Psychology 1 works

How open and international is its research?

Against the world's own shares: the tick on each track. Both are shares of its output, so they sit on one scale and can be read against each other as well as against the world.

openly available81.6%not open18.4%

World: 40% of research is openly available.

with international co-authors25.4%domestic only74.6%

World: 18% is written across borders.

How has Rift Valley University's research output changed?

Output in 2022-2025 was 63% higher than in 2018-2021.

still counting200020102020
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 Rift Valley University as a percentage of every work published that year, 0.00032% in 2024.

still counting0.00020%0.00040%Rift Valley University0.00026% in 202519801990200020102020

Fractional works of Rift Valley University over all fractional works that year. How the balance of science has shifted.

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Rift Valley University on Science Explorer

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