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University · Yenagoa · Nigeria

Niger Delta University

In research, Niger Delta University stands highest in Physical Sciences (#5,295 of 12,888 worldwide), Environmental Science (#1,852 of 3,551 worldwide) and Social Sciences (#5,921 of 10,521 worldwide), 2022–2025.

ndu.edu.ngROR OpenAlex
World rank, 2022–2025
#5,779
of 28,054 · #9,180 all time
Rank in Nigeria
#39
of 191
Research works
2.6k
▲ 73% vs 2013–17
Citations
20k
7.7 per fractional work
Top-10% rate
7.7%
record average 16.5%
Open access
82%
world 28%

What is Niger Delta 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
Physical SciencesDomain #5,295 of 12,888 9.9%309 #10082
Environmental ScienceField #1,852 of 3,551 16.7%90 #3426
Social SciencesDomain #5,921 of 10,521 7.3%263 #3328
Life SciencesDomain #4,654 of 7,800 7.0%132 #7429
Social SciencesField #4,107 of 6,365 8.5%107 #1768
EngineeringField #4,376 of 6,636 9.3%97 #8110
Agricultural and Biological SciencesField #2,784 of 3,409 6.2%79 #2749
Health SciencesDomain #9,934 of 11,982 5.0%176 #8335
MedicineField #9,315 of 10,443 4.8%137 #7694

Each strip is that field’s whole ranked pool, with the notch where Niger Delta 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. Physical Sciences#10,082 #5,295
  2. Environmental Science#3,426 #1,852
  3. Social Sciences#3,328 #5,921
  4. Life Sciences#7,429 #4,654
  5. Social Sciences#1,768 #4,107
  6. Engineering#8,110 #4,376
  7. Agricultural and Biological Sciences#2,749 #2,784
  8. Health Sciences#8,335 #9,934
  9. Medicine#7,694 #9,315
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: 1.89× its world share, 79 worksAgricultural and Bio…Biochemistry, Genetics and Molecular Biology: 0.57× its world share, 27 worksBiochemistry, Geneti…Immunology and Microbiology: 1.31× its world share, 12 worksImmunology and Micro…Neuroscience: 0.12× its world share, 2 worksNeurosciencePharmacology, Toxicology and Pharmaceutics: 4.07× its world share, 13 worksPharmacology, Toxico…Chemical Engineering: 0.81× its world share, 2 worksChemical EngineeringChemistry: 1.63× its world share, 22 worksChemistryComputer Science: 0.66× its world share, 45 worksComputer ScienceEarth and Planetary Sciences: 1.08× its world share, 15 worksEarth and Planetary …Energy: 1.89× its world share, 15 worksEnergyEngineering: 0.74× its world share, 97 worksEngineeringEnvironmental Science: 2.05× its world share, 90 worksEnvironmental ScienceMaterials Science: 0.45× its world share, 14 worksMaterials ScienceMathematics: 0.34× its world share, 4 worksMathematicsPhysics and Astronomy: 0.23× its world share, 4 worksPhysics and AstronomyDentistry: 0.16× its world share, 1 worksDentistryHealth Professions: 1.16× its world share, 27 worksHealth ProfessionsMedicine: 0.81× its world share, 137 worksMedicineNursing: 2.36× its world share, 10 worksNursingVeterinary: 1.08× its world share, 1 worksVeterinaryArts and Humanities: 0.61× its world share, 16 worksArts and HumanitiesBusiness, Management and Accounting: 1.77× its world share, 50 worksBusiness, Management…Decision Sciences: 1.66× its world share, 14 worksDecision SciencesEconomics, Econometrics and Finance: 2.93× its world share, 55 worksEconomics, Econometr…Psychology: 0.77× its world share, 21 worksPsychologySocial Sciences: 0.96× its world share, 107 worksSocial Sciences1×world share
more than its size predictsabout as predictedless

Rings at 0.5×, 1× and 2×. Widest outward: Pharmacology, Toxicology and Pharmaceutics, 4.1×. Every wedge is a field page.

Who are the top researchers at Niger Delta University?

Ranked on the composite score, Dimie Ogoina and Elijah I. Ohimain lead among researchers whose main affiliation is Niger Delta University.

  1. 1 Dimie Ogoina Nigeria · #160,594 worldwide 173 citations · 22 works
  2. 2 Elijah I. Ohimain Nigeria · #526,647 worldwide 103 citations · 38 works
All ranked researchers at Niger Delta University

Which keywords describe research at Niger Delta University?

By fractional works in 2022–2025, weighted toward what it does more of than the world: Environmental Impact, Economic Growth, Medicinal Plants, Nigeria, Fiscal Policy, Sustainable Development, Risk Management and Remote Sensing.

▲ 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. Environmental Impact44▲ 3.0×38 topics
  2. Sustainability34▲ 1.61×49 topics
  3. Climate Change32▲ 1.33×43 topics
  4. Economic Growth31▲ 4.2×18 topics
  5. Sustainable Development31▲ 2.2×27 topics
  6. Globalization30▲ 1.75×34 topics
  7. Education30▲ 1.97×19 topics
  8. Remote Sensing27▲ 2.5×14 topics
  9. Oxidative Stress25▲ 1.72×22 topics
  10. Renewable Energy24▲ 1.88×26 topics
  11. Medicinal Plants23▲ 6.4×13 topics
  12. Health Effects21▲ 4.0×17 topics
  13. Risk Management20▲ 4.7×7 topics
  14. Antioxidant Activity20▲ 3.5×22 topics
  15. Leadership19▲ 4.6×13 topics
  16. Nigeria19▲ 121×3 topics
  17. Corporate Governance18▲ 2.8×14 topics
  18. Antioxidants17▲ 4.4×10 topics
  19. Fiscal Policy17▲ 8.8×5 topics
  20. Gender Equality16▲ 6.7×6 topics
  21. Insulin Resistance16▲ 4.0×8 topics
  22. Diabetes16▲ 3.6×9 topics
  23. Development15▲ 5.0×8 topics
  24. Smallholder Farmers14▲ 7.3×5 topics
  25. Herbal Medicine13▲ 5.1×8 topics
  26. Greenhouse Gas Emissions13▲ 5.4×6 topics
  27. Income Tax13▲ 18×2 topics
  28. Infrastructure13▲ 12×3 topics
  29. Taxation13▲ 17×2 topics
  30. Heavy Metals12▲ 6.0×7 topics
  31. Quality Assurance12▲ 8.2×4 topics
  32. Government Expenditure12▲ 23×1 topic
  33. Public Investment12▲ 23×1 topic
  34. ICT12▲ 10×3 topics
  35. Corruption11▲ 8.0×4 topics
  36. Institutional Quality11▲ 12×2 topics
  37. Air Pollution10▲ 9.4×3 topics
  38. Poverty Reduction10▲ 9.1×4 topics
  39. Teacher Education10▲ 9.5×1 topic
  40. Youth Unemployment10▲ 129×1 topic

Which research topics does Niger Delta University publish most on?

By volume in 2022–2025: Fiscal Policy and Economic Growth, African Education and Politics, Economic Growth and Development and Natural Antidiabetic Agents Studies.

Fiscal Policy and Econom…12Fiscal Policy and Economic Growth: 12 fractional worksAfrican Education and Po…10African Education and Politics: 10 fractional worksEconomic Growth and Development: 9 fractional worksNatural Antidiabetic Agents Studies: 8 fractional worksGlobal Maternal and Child Health: 8 fractional worksOil, Gas, and Environmental Issues: 8 fractional worksGeochemistry and Geologic Mapping: 7 fractional worksNatural Resources and Ec…6Natural Resources and Economic Development: 6 fractional worksWater Quality and Pollution Assessment: 6 fractional worksEnhanced Oil Recovery Techniques: 6 fractional works
Economics and EconometricsEducationInformation SystemsEndocrinology, Diabetes and Metabolism6 others

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

  1. 1 Fiscal Policy and Economic Growth Economics and Econometrics 12 works
  2. 2 African Education and Politics Education 10 works
  3. 3 Economic Growth and Development Information Systems 9 works
  4. 4 Natural Antidiabetic Agents Studies Endocrinology, Diabetes and Metabolism 8 works
  5. 5 Global Maternal and Child Health Pediatrics, Perinatology and Child Health 8 works
  6. 6 Oil, Gas, and Environmental Issues Renewable Energy, Sustainability and the Environment 8 works
  7. 7 Geochemistry and Geologic Mapping Artificial Intelligence 7 works
  8. 8 Natural Resources and Economic Development General Economics, Econometrics and Finance 6 works
  9. 9 Water Quality and Pollution Assessment Water Science and Technology 6 works
  10. 10 Enhanced Oil Recovery Techniques Ocean Engineering 6 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: 28% of research is openly available.

with international co-authors10.2%domestic only89.8%

World: 19% is written across borders.

How has Niger Delta University's research output changed?

Output in 2018–2022 was 73% higher than in 2013–2017.

2005201020152020
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.