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University · Sofia · Bulgaria

New Bulgarian University

In research, New Bulgarian University stands highest in Social Sciences (#3,250 of 10,521 worldwide), Social Sciences (#3,673 of 6,365 worldwide) and Physical Sciences (#10,069 of 12,888 worldwide), 2022–2025. Relative to its size it is most specialised in Political Science and International Relations — Political Science and International Relations is 7.2× its share of world research.

nbu.bgROR OpenAlex
World rank, 2022–2025
#10,406
of 28,054 · #22,097 all time
Rank in Bulgaria
#18
of 92
Research works
1.2k
▲ 140% vs 2013–17
Citations
4.4k
3.7 per fractional work
Top-10% rate
8.3%
record average 16.5%
Open access
66%
world 28%

What is New Bulgarian 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
Social SciencesDomain #3,250 of 10,521 8.3%308 #5901
Social SciencesField #3,673 of 6,365 8.2%172 #5213
Physical SciencesDomain #10,069 of 12,888 4.7%138 #18159

Each strip is that field’s whole ranked pool, with the notch where New Bulgarian 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. Social Sciences#5,901 #3,250
  2. Social Sciences#5,213 #3,673
  3. Physical Sciences#18,159 #10,069
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.

What does New Bulgarian University specialise in?

Where its research is concentrated relative to its size: Political Science and International Relations takes 7.2× the share of its output that it takes of world research.

  1. Political Science and International RelationsSubfield · 53.7 works7.2×
← less than its size predicts1×more →

Location quotient, a volume reading rather than an impact one. It surfaces small, lopsided specialities.

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: 0.36× its world share, 9 worksAgricultural and Bio…Biochemistry, Genetics and Molecular Biology: 0.26× its world share, 7 worksBiochemistry, Geneti…Immunology and Microbiology: 0.26× its world share, 1 worksImmunology and Micro…Neuroscience: 1.16× its world share, 9 worksNeurosciencePharmacology, Toxicology and Pharmaceutics: 0.06× its world share, 0 worksPharmacology, Toxico…Chemical Engineering: 0.10× its world share, 0 worksChemical EngineeringChemistry: 0.11× its world share, 1 worksChemistryComputer Science: 1.38× its world share, 54 worksComputer ScienceEarth and Planetary Sciences: 1.07× its world share, 8 worksEarth and Planetary …Energy: 1.09× its world share, 5 worksEnergyEngineering: 0.58× its world share, 43 worksEngineeringEnvironmental Science: 0.68× its world share, 17 worksEnvironmental ScienceMaterials Science: 0.17× its world share, 3 worksMaterials ScienceMathematics: 0.58× its world share, 3 worksMathematicsPhysics and Astronomy: 0.35× its world share, 4 worksPhysics and AstronomyDentistry: 0.51× its world share, 1 worksDentistryHealth Professions: 0.52× its world share, 7 worksHealth ProfessionsMedicine: 0.19× its world share, 18 worksMedicineNursing: 0.35× its world share, 1 worksNursingVeterinary: 0.25× its world share, 0 worksVeterinaryArts and Humanities: 2.97× its world share, 43 worksArts and HumanitiesBusiness, Management and Accounting: 2.38× its world share, 38 worksBusiness, Management…Decision Sciences: 0.97× its world share, 5 worksDecision SciencesEconomics, Econometrics and Finance: 1.59× its world share, 17 worksEconomics, Econometr…Psychology: 2.13× its world share, 32 worksPsychologySocial Sciences: 2.72× its world share, 172 worksSocial Sciences1×world share
more than its size predictsabout as predictedless

Rings at 0.5×, 1× and 2×. Widest outward: Arts and Humanities, 3.0×. Every wedge is a field page.

Who are the top researchers at New Bulgarian University?

Ranked on the composite score, Boyan Manchev, L Tomov and Rachel Hopkins lead among researchers whose main affiliation is New Bulgarian University.

  1. 1 Boyan Manchev Bulgaria · #909,358 worldwide 1 citations · 15 works
  2. 2 L Tomov Bulgaria · #1,269,526 worldwide 1 citations · 17 works
  3. 3 Rachel Hopkins Bulgaria · #1,339,461 worldwide 4 citations · 218 works
  4. 4 Ivan Landjev Bulgaria · #1,401,603 worldwide 13 citations · 23 works
  5. 5 Boicho Kokinov Bulgaria · #1,529,156 worldwide 39 citations · 16 works
All ranked researchers at New Bulgarian University

Which keywords describe research at New Bulgarian University?

By fractional works in 2022–2025, weighted toward what it does more of than the world: Human Rights, Globalization, European Union, Sustainable Development, International Law, Social Media, Global Governance and Judicial Review.

▲ 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. Human Rights38▲ 7.5×37 topics
  2. Globalization30▲ 3.1×44 topics
  3. Sustainable Development21▲ 2.7×33 topics
  4. Social Media20▲ 2.8×19 topics
  5. Sustainability20▲ 1.66×34 topics
  6. European Union18▲ 16×14 topics
  7. Artificial Intelligence16▲ 2.3×23 topics
  8. Education15▲ 1.77×28 topics
  9. Identity13▲ 3.6×17 topics
  10. International Law12▲ 8.1×13 topics
  11. Global Governance12▲ 10×12 topics
  12. Innovation11▲ 2.1×19 topics
  13. Democracy11▲ 6.1×8 topics
  14. Judicial Review11▲ 24×4 topics
  15. Geopolitics10▲ 14×9 topics
  16. Language10▲ 8.3×8 topics
  17. Nationalism10▲ 4.4×12 topics
  18. Big Data10▲ 2.2×13 topics
  19. Migration10▲ 6.0×10 topics
  20. Digital Transformation10▲ 3.7×14 topics
  21. European Integration9▲ 32×5 topics
  22. Constitutionalism9▲ 19×3 topics
  23. Environmental Management9▲ 4.3×8 topics
  24. Ethnicity8▲ 4.5×7 topics
  25. Governance8▲ 5.0×7 topics
  26. ECHR8▲ 41×1 topic
  27. European Legal Systems8▲ 41×1 topic
  28. Corpus Linguistics8▲ 7.1×5 topics
  29. Cultural Diplomacy8▲ 18×5 topics
  30. Social Interaction8▲ 3.7×9 topics
  31. Entrepreneurship7▲ 3.6×8 topics
  32. Balkans7▲ 57×2 topics
  33. Institutionalization6▲ 14×3 topics
  34. Cognition6▲ 9.0×3 topics
  35. Cyber-Physical Systems6▲ 4.7×6 topics
  36. International Relations6▲ 5.0×11 topics
  37. Legal Regulation6▲ 5.3×6 topics
  38. Sovereignty6▲ 13×5 topics
  39. Conflict6▲ 6.8×5 topics
  40. Political Dynamics5▲ 38×2 topics

Which research topics does New Bulgarian University publish most on?

By volume in 2022–2025: European and International Law Studies, European Union Policy and Governance, European Criminal Justice and Data Protection and Balkans: History, Politics, Society.

European and International Law Studies: 8 fractional worksEuropean Union Policy and Governance: 5 fractional worksEuropean Criminal Justice and Data Protection: 4 fractional worksBalkans: History, Politics, Society: 4 fractional worksSocial Media and Politics: 4 fractional worksGlobal Energy Security and Policy: 3 fractional worksAutism Spectrum Disorder…3Autism Spectrum Disorder Research: 3 fractional worksClassical Antiquity Studies: 3 fractional worksEuropean Politics and Security: 3 fractional worksLanguage, Metaphor, and …3Language, Metaphor, and Cognition: 3 fractional works
Political Science and International RelationsCultural StudiesCommunicationGeneral Energy3 others

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

  1. 1 European and International Law Studies Political Science and International Relations 8 works
  2. 2 European Union Policy and Governance Political Science and International Relations 5 works
  3. 3 European Criminal Justice and Data Protection Political Science and International Relations 4 works
  4. 4 Balkans: History, Politics, Society Cultural Studies 4 works
  5. 5 Social Media and Politics Communication 4 works
  6. 6 Global Energy Security and Policy General Energy 3 works
  7. 7 Autism Spectrum Disorder Research Cognitive Neuroscience 3 works
  8. 8 Classical Antiquity Studies Anthropology 3 works
  9. 9 European Politics and Security Political Science and International Relations 3 works
  10. 10 Language, Metaphor, and Cognition Experimental and Cognitive Psychology 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 available66.0%not open34.0%

World: 28% of research is openly available.

with international co-authors13.7%domestic only86.3%

World: 19% is written across borders.

How has New Bulgarian University's research output changed?

Output in 2018–2022 was 140% 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.

Other research institutions in Sofia

All research institutions in Sofia

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.