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University · Bo · Sierra Leone

Njala University

In research, Njala University stands highest in Life Sciences (#5,471 of 7,800 worldwide), Agricultural and Biological Sciences (#2,650 of 3,409 worldwide) and Social Sciences (#8,627 of 10,521 worldwide), 2022–2025.

njala.edu.slROR OpenAlex
World rank, 2022–2025
#10,761
of 28,054 · #19,301 all time
Rank in Sierra Leone
#2
of 5
Research works
771
▲ 118% vs 2013–17
Citations
5k
6.4 per fractional work
Top-10% rate
15.4%
record average 16.5%
Open access
74%
world 28%

What is Njala University known for in research?

The fields where it stands highest, 2022–2025, ranked among every institution above the floor in each field.

FieldWorld rankWhere that sitsTop-10% rateWorksAll time
Life SciencesDomain #5,471 of 7,800 13.2%78 #10987
Agricultural and Biological SciencesField #2,650 of 3,409 11.9%67 #4065
Social SciencesDomain #8,627 of 10,521 11.4%89 #10425
Physical SciencesDomain #10,952 of 12,888 14.9%83 #18537

Each strip is that field’s whole ranked pool, with the notch where Njala University sits in it, in the colour of the band that rank falls in. The track under the rate is the rate itself: it carries no world mark, because the world rate differs by field (from about 6% to 21% in this record).

Which of those standings moved

The same fields on both windows: where it stood over the whole record, and where it stands in 2022–2025. The distance is the story, and it is the one thing the two rank columns above cannot show.

  1. Life Sciences#10,987 #5,471
  2. Agricultural and Biological Sciences#4,065 #2,650
  3. Social Sciences#10,425 #8,627
  4. Physical Sciences#18,537 #10,952
all time2022–2025, better2022–2025, worse

A dot further right is a better standing. Fields it was not ranked in over the whole record are left out.

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: 4.62× its world share, 67 worksAgricultural and Bio…Biochemistry, Genetics and Molecular Biology: 0.30× its world share, 5 worksBiochemistry, Geneti…Immunology and Microbiology: 1.77× its world share, 6 worksImmunology and Micro…Neuroscience: 0.03× its world share, 0 worksNeurosciencePharmacology, Toxicology and Pharmaceutics: 0.31× its world share, 0 worksPharmacology, Toxico…Chemistry: 0.14× its world share, 1 worksChemistryComputer Science: 0.58× its world share, 14 worksComputer ScienceEarth and Planetary Sciences: 0.44× its world share, 2 worksEarth and Planetary …Energy: 0.12× its world share, 0 worksEnergyEngineering: 0.60× its world share, 28 worksEngineeringEnvironmental Science: 2.00× its world share, 30 worksEnvironmental ScienceMaterials Science: 0.43× its world share, 5 worksMaterials ScienceMathematics: 0.96× its world share, 4 worksMathematicsPhysics and Astronomy: 0.01× its world share, 0 worksPhysics and AstronomyDentistry: 0.17× its world share, 0 worksDentistryHealth Professions: 1.22× its world share, 10 worksHealth ProfessionsMedicine: 0.65× its world share, 38 worksMedicineNursing: 4.92× its world share, 7 worksNursingVeterinary: 1.86× its world share, 1 worksVeterinaryArts and Humanities: 0.24× its world share, 2 worksArts and HumanitiesBusiness, Management and Accounting: 1.37× its world share, 14 worksBusiness, Management…Decision Sciences: 0.78× its world share, 2 worksDecision SciencesEconomics, Econometrics and Finance: 2.05× its world share, 14 worksEconomics, Econometr…Psychology: 0.93× its world share, 9 worksPsychologySocial Sciences: 1.26× its world share, 49 worksSocial Sciences1×world share
more than its size predictsabout as predictedless

Rings at 0.5×, 1× and 2×. Widest outward: Nursing, 4.9×. Every wedge is a field page.

Who are the top researchers at Njala University?

Ranked on the composite score, Margaret L. Vickery and Emmanuel Tweneboah Senzu lead among researchers whose main affiliation is Njala University.

  1. 1 Margaret L. Vickery Sierra Leone · #1,316,609 worldwide 4 citations · 15 works
  2. 2 Emmanuel Tweneboah Senzu Sierra Leone · #1,383,526 worldwide 6 citations · 17 works
All ranked researchers at Njala University

Which keywords describe research at Njala University?

By fractional works in 2022–2025, weighted toward what it does more of than the world: Climate Change, Smallholder Farmers, Sustainability, Adaptation, Sustainable Agriculture, Globalization, Genetic Diversity and Biodiversity Conservation.

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

Size is fractional works in 2022–2025 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. Climate Change27▲ 3.3×36 topics
  2. Sustainability22▲ 3.0×26 topics
  3. Globalization17▲ 2.8×25 topics
  4. Smallholder Farmers15▲ 22×5 topics
  5. Environmental Impact15▲ 2.8×26 topics
  6. Epidemiology14▲ 1.17×36 topics
  7. Adaptation13▲ 15×3 topics
  8. Sustainable Agriculture11▲ 11×7 topics
  9. Genetic Diversity10▲ 7.3×14 topics
  10. Biodiversity Conservation9▲ 8.3×7 topics
  11. Biodiversity9▲ 3.9×12 topics
  12. Food Security8▲ 4.9×12 topics
  13. Diversity8▲ 16×2 topics
  14. Pathogenesis8▲ 5.2×8 topics
  15. Agroecology8▲ 18×2 topics
  16. Livestock Farming8▲ 39×2 topics
  17. Agricultural Development7▲ 15×2 topics
  18. Gender Equality7▲ 8.7×9 topics
  19. Multifunctionality7▲ 47×1 topic
  20. Work Organization7▲ 56×1 topic
  21. Child Development7▲ 5.1×4 topics
  22. Global Burden of Disease6▲ 8.6×4 topics
  23. Vaccine6▲ 5.2×10 topics
  24. Rural Development6▲ 5.6×6 topics
  25. Climate Resilience6▲ 31×2 topics
  26. Poverty Reduction6▲ 14×3 topics
  27. Maternal and Child Undernutrition6▲ 22×1 topic
  28. Water Sanitation Hygiene6▲ 22×1 topic
  29. Land Use Change6▲ 6.0×6 topics
  30. Lifelong Learning6▲ 8.9×4 topics
  31. Maternal Mortality5▲ 7.9×2 topics
  32. One Health5▲ 53×1 topic
  33. Zoonotic Diseases5▲ 53×1 topic
  34. Community Health Workers5▲ 20×2 topics
  35. Cassava5▲ 91×1 topic
  36. Cyanogenic Glycosides5▲ 91×1 topic
  37. Transmission5▲ 31×2 topics
  38. Agroforestry5▲ 25×3 topics
  39. Drought Tolerance5▲ 11×6 topics
  40. Health Inequalities5▲ 13×3 topics

Which research topics does Njala University publish most on?

By volume in 2022–2025: Agriculture and Rural Development Research, Child Nutrition and Water Access, Zoonotic diseases and public health and Cassava research and cyanide.

Agriculture and Rural De…7Agriculture and Rural Development Research: 7 fractional worksChild Nutrition and Wate…6Child Nutrition and Water Access: 6 fractional worksZoonotic diseases and pu…5Zoonotic diseases and public health: 5 fractional worksCassava research and cya…5Cassava research and cyanide: 5 fractional worksGlobal Maternal and Child Health: 4 fractional worksViral Infections and Outbreaks Research: 4 fractional worksAfrican Botany and Ecolo…4African Botany and Ecology Studies: 4 fractional worksHigher Education Learnin…3Higher Education Learning Practices: 3 fractional worksClimate change impacts o…3Climate change impacts on agriculture: 3 fractional worksMicrofinance and Financi…3Microfinance and Financial Inclusion: 3 fractional works
Ecology, Evolution, Behavior and SystematicsNutrition and DieteticsPublic Health, Environmental and Occupational HealthPlant Science5 others

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

  1. 1 Agriculture and Rural Development Research Ecology, Evolution, Behavior and Systematics 7 works
  2. 2 Child Nutrition and Water Access Nutrition and Dietetics 6 works
  3. 3 Zoonotic diseases and public health Public Health, Environmental and Occupational Health 5 works
  4. 4 Cassava research and cyanide Plant Science 5 works
  5. 5 Global Maternal and Child Health Pediatrics, Perinatology and Child Health 4 works
  6. 6 Viral Infections and Outbreaks Research Infectious Diseases 4 works
  7. 7 African Botany and Ecology Studies Forestry 4 works
  8. 8 Higher Education Learning Practices Education 3 works
  9. 9 Climate change impacts on agriculture Ecology, Evolution, Behavior and Systematics 3 works
  10. 10 Microfinance and Financial Inclusion Economics and Econometrics 3 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 available74.2%not open25.8%

World: 28% of research is openly available.

with international co-authors34.4%domestic only65.6%

World: 19% is written across borders.

How has Njala University's research output changed?

Output in 2018–2022 was 118% higher than in 2013–2017.

1990200020102020
grewheldshrank

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

Research measures only: rankings here say nothing about teaching, admissions or student experience. Comparable institutions and collaboration partners are in the interactive view on the map.