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Science in North Korea

North Korea ranks #183 of 189 countries on research quality in 2022-now (#191 all time), with 841 research works and 4.4% of them in the world's top 10%.

World rank, 2022-now
#183
of 189 · #191 all time
Works, 2022-now
841
▲ 168% vs 2018-21
Citations
14k
8.1 per fractional work, all time
Top-10% rate
4.4%
all institutions 10.0%
vs its own fields
0.81×
1.00× is exactly expected
In the world top 100
0
0 in the top 1,000
Open access
54%
world 40%
International
48%
world 18%
North Korea

What is North Korea strongest at in science?

On research quality in 2022-now, North Korea ranks highest in Engineering (#120 of 131). Relative to its size it is most specialised in Fluid Flow and Transfer Processes, Condensed Matter Physics and Geometry and Topology.

FieldWorld rankWhere that sitsTop-10% rateWorksAll time
EngineeringField #120 of 131 3.1%262 #127 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. Fluid Flow and Transfer ProcessesSubfield · 3.4 works · #95 of 163 active here4.1×
  2. Condensed Matter PhysicsSubfield · 7.0 works · #87 of 165 active here4.1×
  3. Geometry and TopologySubfield · 6.9 works · #109 of 186 active here4.0×
  4. Statistical and Nonlinear PhysicsSubfield · 13.0 works · #110 of 197 active here3.9×
  5. Geochemistry and PetrologySubfield · 4.1 works · #119 of 199 active here3.8×
  6. BioengineeringSubfield · 2.6 works · #101 of 160 active here3.7×
  7. Computational MechanicsSubfield · 23.0 works · #93 of 193 active here3.7×
  8. Atomic and Molecular Physics, and OpticsSubfield · 27.6 works · #95 of 201 active here3.6×
← 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: 0.86× its world share, 44 worksAgricultural and Bio…Biochemistry, Genetics and Molecular Biology: 1.02× its world share, 59 worksBiochemistry, Geneti…Immunology and Microbiology: 0.71× its world share, 8 worksImmunology and Micro…Neuroscience: 0.80× its world share, 14 worksNeurosciencePharmacology, Toxicology and Pharmaceutics: 0.96× its world share, 4 worksPharmacology, Toxico…Chemical Engineering: 2.76× its world share, 10 worksChemical EngineeringChemistry: 1.76× its world share, 30 worksChemistryComputer Science: 1.16× its world share, 98 worksComputer ScienceEarth and Planetary Sciences: 2.16× its world share, 36 worksEarth and Planetary …Energy: 1.25× its world share, 12 worksEnergyEngineering: 2.03× its world share, 329 worksEngineeringEnvironmental Science: 1.13× its world share, 61 worksEnvironmental ScienceMaterials Science: 2.30× its world share, 87 worksMaterials ScienceMathematics: 2.65× its world share, 34 worksMathematicsPhysics and Astronomy: 2.70× its world share, 65 worksPhysics and AstronomyDentistry: 0.61× its world share, 3 worksDentistryHealth Professions: 0.29× its world share, 8 worksHealth ProfessionsMedicine: 0.55× its world share, 113 worksMedicineNursing: 0.19× its world share, 1 worksNursingVeterinary: 0.11× its world share, 0 worksVeterinaryArts and Humanities: 0.13× its world share, 4 worksArts and HumanitiesBusiness, Management and Accounting: 0.25× its world share, 9 worksBusiness, Management…Decision Sciences: 0.95× its world share, 10 worksDecision SciencesEconomics, Econometrics and Finance: 0.47× its world share, 11 worksEconomics, Econometr…Psychology: 0.21× its world share, 7 worksPsychologySocial Sciences: 0.16× its world share, 22 worksSocial Sciences1×world share
more than its size predictsabout as predictedless

Rings at 0.5×, 1× and 2×. Widest outward: Chemical Engineering, 2.8×. Every wedge is a field page.

All 26 fields, with their numbers
  1. Chemical Engineering2.76×10 works
  2. Physics and Astronomy2.70×65 works
  3. Mathematics2.65×34 works
  4. Materials Science2.30×87 works
  5. Earth and Planetary Sciences2.16×36 works
  6. Engineering2.03×329 works
  7. Chemistry1.76×30 works
  8. Energy1.25×12 works
  9. Computer Science1.16×98 works
  10. Environmental Science1.13×61 works
  11. Biochemistry, Genetics and Molecular Biology1.02×59 works
  12. Pharmacology, Toxicology and Pharmaceutics0.96×4 works
  13. Decision Sciences0.95×10 works
  14. Agricultural and Biological Sciences0.86×44 works
  15. Neuroscience0.80×14 works
  16. Immunology and Microbiology0.71×8 works
  17. Dentistry0.61×3 works
  18. Medicine0.55×113 works
  19. Economics, Econometrics and Finance0.47×11 works
  20. Health Professions0.29×8 works
  21. Business, Management and Accounting0.25×9 works
  22. Psychology0.21×7 works
  23. Nursing0.19×1 works
  24. Social Sciences0.16×22 works
  25. Arts and Humanities0.13×4 works
  26. Veterinary0.11×0 works

Which fields of science does North Korea work in?

In 2022-now, 71% of research in North Korea is in Physical Sciences, 12% in Life Sciences. Its largest fields are Engineering (31%), Medicine (11%), Computer Science (9%). It does 1.8× the world's share of Physical Sciences.

Physical Sciences: 760 fractional works · 70.6% of its workEngineering: 329 fractional works · 30.5% of its workElectrical and Electronic Engineering: 67 fractional works · 6.2% of its workMechanical Engineering: 55 fractional works · 5.1% of its workBiomedical Engineering: 40 fractional works · 3.7% of its workControl and Systems Engineering: 32 fractional works · 3.0% of its workCivil and Structural Engineering: 26 fractional works · 2.4% of its workComputational Mechanics: 23 fractional works · 2.1% of its workMechanics of Materials: 22 fractional works · 2.1% of its workAerospace Engineering: 22 fractional works · 2.0% of its workIndustrial and Manufacturing Engineering: 12 fractional works · 1.1% of its workOcean Engineering: 11 fractional works · 1.0% of its workAutomotive Engineering: 7 fractional works · 0.6% of its workBuilding and Construction: 6 fractional works · 0.5% of its workSafety, Risk, Reliability and Quality: 3 fractional works · 0.3% of its workMedia Technology: 2 fractional works · 0.2% of its workComputer Science: 98 fractional works · 9.1% of its workArtificial Intelligence: 36 fractional works · 3.3% of its workComputer Vision and Pattern Recognition: 23 fractional works · 2.1% of its workComputer Networks and Communications: 13 fractional works · 1.3% of its workInformation Systems: 12 fractional works · 1.1% of its workComputational Theory and Mathematics: 7 fractional works · 0.7% of its workSignal Processing: 3 fractional works · 0.3% of its workSmaller subfields together: 3 fractional works · 0.3% of its workMaterials Science: 87 fractional works · 8.0% of its workMaterials Chemistry: 53 fractional works · 4.9% of its workElectronic, Optical and Magnetic Materials: 15 fractional works · 1.4% of its workPolymers and Plastics: 7 fractional works · 0.7% of its workBiomaterials: 6 fractional works · 0.6% of its workSmaller subfields together: 5 fractional works · 0.5% of its workPhysics and Astronomy: 65 fractional works · 6.0% of its workAtomic and Molecular Physics, and Optics: 28 fractional works · 2.6% of its workStatistical and Nonlinear Physics: 13 fractional works · 1.2% of its workAstronomy and Astrophysics: 8 fractional works · 0.7% of its workCondensed Matter Physics: 7 fractional works · 0.7% of its workNuclear and High Energy Physics: 7 fractional works · 0.6% of its workSmaller subfields together: 2 fractional works · 0.2% of its workEnvironmental Science: 61 fractional works · 5.6% of its workGlobal and Planetary Change: 11 fractional works · 1.0% of its workEnvironmental Engineering: 9 fractional works · 0.8% of its workWater Science and Technology: 9 fractional works · 0.8% of its workEcology: 8 fractional works · 0.8% of its workIndustrial and Manufacturing Engineering: 6 fractional works · 0.6% of its workManagement, Monitoring, Policy and Law: 4 fractional works · 0.4% of its workPollution: 4 fractional works · 0.4% of its workNature and Landscape Conservation: 4 fractional works · 0.3% of its workHealth, Toxicology and Mutagenesis: 3 fractional works · 0.3% of its workSmaller subfields together: 2 fractional works · 0.2% of its workEarth and Planetary Sciences: 36 fractional works · 3.4% of its workAtmospheric Science: 9 fractional works · 0.8% of its workGeophysics: 7 fractional works · 0.6% of its workOceanography: 6 fractional works · 0.6% of its workGeochemistry and Petrology: 4 fractional works · 0.4% of its workPaleontology: 4 fractional works · 0.3% of its workGeology: 4 fractional works · 0.3% of its workEarth-Surface Processes: 3 fractional works · 0.3% of its workMathematics: 34 fractional works · 3.1% of its workApplied Mathematics: 10 fractional works · 0.9% of its workGeometry and Topology: 7 fractional works · 0.6% of its workStatistics and Probability: 4 fractional works · 0.4% of its workMathematical Physics: 4 fractional works · 0.4% of its workModeling and Simulation: 4 fractional works · 0.4% of its workNumerical Analysis: 2 fractional works · 0.2% of its workSmaller subfields together: 2 fractional works · 0.2% of its workChemistry: 30 fractional works · 2.8% of its workOrganic Chemistry: 13 fractional works · 1.2% of its workInorganic Chemistry: 6 fractional works · 0.6% of its workSpectroscopy: 3 fractional works · 0.3% of its workAnalytical Chemistry: 3 fractional works · 0.3% of its workSmaller subfields together: 4 fractional works · 0.3% of its workEnergy: 12 fractional works · 1.1% of its workRenewable Energy, Sustainability and the Environment: 10 fractional works · 1.0% of its workSmaller subfields together: 2 fractional works · 0.2% of its workChemical Engineering: 10 fractional works · 1.0% of its workFluid Flow and Transfer Processes: 3 fractional works · 0.3% of its workCatalysis: 3 fractional works · 0.3% of its workBioengineering: 3 fractional works · 0.2% of its workSmaller subfields together: 1 fractional works · 0.1% of its workLife Sciences: 128 fractional works · 11.9% of its workBiochemistry, Genetics and Molecular Biology: 59 fractional works · 5.5% of its workMolecular Biology: 37 fractional works · 3.5% of its workGenetics: 7 fractional works · 0.6% of its workCell Biology: 3 fractional works · 0.3% of its workCancer Research: 3 fractional works · 0.3% of its workSmaller subfields together: 8 fractional works · 0.8% of its workAgricultural and Biological Sciences: 44 fractional works · 4.1% of its workPlant Science: 20 fractional works · 1.8% of its workEcology, Evolution, Behavior and Systematics: 8 fractional works · 0.7% of its workFood Science: 4 fractional works · 0.4% of its workInsect Science: 3 fractional works · 0.3% of its workAquatic Science: 2 fractional works · 0.2% of its workAnimal Science and Zoology: 2 fractional works · 0.2% of its workSmaller subfields together: 5 fractional works · 0.5% of its workNeuroscience: 14 fractional works · 1.3% of its workCognitive Neuroscience: 6 fractional works · 0.5% of its workCellular and Molecular Neuroscience: 3 fractional works · 0.3% of its workNeurology: 3 fractional works · 0.3% of its workSmaller subfields together: 3 fractional works · 0.3% of its workImmunology and Microbiology: 8 fractional works · 0.7% of its workImmunology: 6 fractional works · 0.5% of its workSmaller subfields together: 2 fractional works · 0.2% of its workPharmacology, Toxicology and Pharmaceutics: 4 fractional works · 0.3% of its workPharmacology: 2 fractional works · 0.2% of its workSmaller subfields together: 1 fractional works · 0.1% of its workHealth Sciences: 126 fractional works · 11.7% of its workMedicine: 113 fractional works · 10.5% of its workSurgery: 20 fractional works · 1.9% of its workRadiology, Nuclear Medicine and Imaging: 8 fractional works · 0.8% of its workPulmonary and Respiratory Medicine: 8 fractional works · 0.8% of its workPediatrics, Perinatology and Child Health: 7 fractional works · 0.6% of its workCardiology and Cardiovascular Medicine: 7 fractional works · 0.6% of its workPhysiology: 7 fractional works · 0.6% of its workPharmacology: 6 fractional works · 0.6% of its workEpidemiology: 5 fractional works · 0.5% of its workComplementary and alternative medicine: 5 fractional works · 0.5% of its workPublic Health, Environmental and Occupational Health: 4 fractional works · 0.3% of its workOncology: 3 fractional works · 0.3% of its workNeurology: 3 fractional works · 0.3% of its workPathology and Forensic Medicine: 3 fractional works · 0.3% of its workDermatology: 2 fractional works · 0.2% of its workInfectious Diseases: 2 fractional works · 0.2% of its workSmaller subfields together: 22 fractional works · 2.0% of its workHealth Professions: 8 fractional works · 0.8% of its workGeneral Health Professions: 3 fractional works · 0.2% of its workHealth Information Management: 2 fractional works · 0.2% of its workSmaller subfields together: 3 fractional works · 0.3% of its workDentistry: 3 fractional works · 0.3% of its workNursing: 1 fractional works · 0.1% of its workSocial Sciences: 62 fractional works · 5.8% of its workSocial Sciences: 22 fractional works · 2.0% of its workSociology and Political Science: 6 fractional works · 0.5% of its workEducation: 3 fractional works · 0.3% of its workDemography: 3 fractional works · 0.3% of its workSmaller subfields together: 10 fractional works · 0.9% of its workEconomics, Econometrics and Finance: 11 fractional works · 1.0% of its workEconomics and Econometrics: 7 fractional works · 0.6% of its workFinance: 3 fractional works · 0.3% of its workSmaller subfields together: 1 fractional works · 0.1% of its workDecision Sciences: 10 fractional works · 0.9% of its workManagement Science and Operations Research: 8 fractional works · 0.7% of its workSmaller subfields together: 2 fractional works · 0.2% of its workBusiness, Management and Accounting: 9 fractional works · 0.8% of its workManagement Information Systems: 3 fractional works · 0.2% of its workStrategy and Management: 3 fractional works · 0.2% of its workSmaller subfields together: 4 fractional works · 0.3% of its workPsychology: 7 fractional works · 0.6% of its workSocial Psychology: 3 fractional works · 0.2% of its workSmaller subfields together: 4 fractional works · 0.4% of its workArts and Humanities: 4 fractional works · 0.4% of its workALL ITS WORKNorth Korea1,076fractional works, 2022-now
Life Sciences12%Physical Sciences71%Health Sciences12%Social Sciences6%

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. Engineering32930.5%
    2. Computer Science989.1%
    3. Materials Science878.0%
    4. Physics and Astronomy656.0%
    5. Environmental Science615.6%
    6. Earth and Planetary Sciences363.4%
    7. Mathematics343.1%
    8. Chemistry302.8%
    9. Energy121.1%
    10. Chemical Engineering101.0%
    1. Biochemistry, Genetics and Molecular Biology595.5%
    2. Agricultural and Biological Sciences444.1%
    3. Neuroscience141.3%
    4. Immunology and Microbiology80.7%
    5. Pharmacology, Toxicology and Pharmaceutics40.3%
    1. Medicine11310.5%
    2. Health Professions80.8%
    3. Dentistry30.3%
    4. Nursing10.1%
    5. Veterinary00.0%
    1. Social Sciences222.0%
    2. Economics, Econometrics and Finance111.0%
    3. Decision Sciences100.9%
    4. Business, Management and Accounting90.8%
    5. Psychology70.6%
    6. Arts and Humanities40.4%
All of science, and how each field's share has moved since 1950: the Science domain explorer

Which keywords describe research in North Korea?

By fractional works in 2022-now, weighted toward what it does more of than the world: Machine Learning, Deep Learning, Neural Networks, Mechanical Properties, Vibration Analysis, Nonlinear Systems, Biomedical Applications and Nanocomposites.

▲ 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 Learning45▲ 1.25×70 topics
  2. Deep Learning42◆ 1.15×65 topics
  3. Climate Change30◆ 1.02×66 topics
  4. Neural Networks30▲ 1.77×33 topics
  5. Mechanical Properties24▲ 2.3×28 topics
  6. Biomedical Applications24▲ 1.86×30 topics
  7. Nanoparticles23▲ 1.72×37 topics
  8. Environmental Impact20◆ 1.10×38 topics
  9. Nanomaterials20▲ 1.78×17 topics
  10. Nanocomposites20▲ 2.3×21 topics
  11. Renewable Energy19▲ 1.24×31 topics
  12. Oxidative Stress18◆ 1.05×47 topics
  13. Energy Efficiency18▲ 1.76×22 topics
  14. Remote Sensing17▲ 1.32×31 topics
  15. Graphene16▲ 2.3×11 topics
  16. Vibration Analysis15▲ 5.3×9 topics
  17. Catalysis15▲ 2.1×22 topics
  18. Nonlinear Systems14▲ 6.1×8 topics
  19. Microstructure13▲ 2.3×19 topics
  20. Biosensors12▲ 2.4×11 topics
  21. Metal Recovery12▲ 5.5×3 topics
  22. Numerical Simulation11▲ 3.6×12 topics
  23. Artificial Neural Networks11▲ 2.2×9 topics
  24. Buckling Behavior11▲ 14×2 topics
  25. Nonlinear Dynamics10▲ 4.4×6 topics
  26. Finite Element Method10▲ 9.8×6 topics
  27. Stability Analysis10▲ 5.7×6 topics
  28. Molecular Dynamics9▲ 4.8×7 topics
  29. Fluid-Structure Interaction9▲ 5.6×6 topics
  30. Materials9▲ 3.5×6 topics
  31. Rare Earth Elements8▲ 5.1×4 topics
  32. Superconductivity8▲ 4.4×9 topics
  33. Entanglement8▲ 4.9×4 topics
  34. Metamaterials8▲ 4.9×5 topics
  35. Microstructural Evolution8▲ 4.8×4 topics
  36. Optical Modulators7▲ 4.8×3 topics
  37. Composite Plates7▲ 21×1 topic
  38. Functionally Graded Materials7▲ 21×1 topic
  39. Battery Recycling6▲ 7.2×1 topic
  40. Hydrometallurgical Processes6▲ 7.2×1 topic

Which research topics does North Korea publish the most in?

Its largest topics in 2022-now are Composite Structure Analysis and Optimization, Extraction and Separation Processes, Fixed Point Theorems Analysis.

Composite Structure Anal…7Composite Structure Analysis and Optimization: 7 fractional worksExtraction and Separatio…6Extraction and Separation Processes: 6 fractional worksFixed Point Theorems Analysis: 5 fractional worksPerovskite Materials and Applications: 5 fractional worksCatalytic Processes in Materials Science: 5 fractional worksPlasmonic and Surface Plasmon Research: 4 fractional worksStructural Load-Bearing Analysis: 4 fractional worksMetal Extraction and Bioleaching: 4 fractional worksElectrocatalysts for Energy Conversion: 4 fractional worksVibration and Dynamic Analysis: 4 fractional worksMetallurgy and Material Forming: 4 fractional worksQuantum Information and Cryptography: 3 fractional works
Mechanics of MaterialsMechanical EngineeringGeometry and TopologyElectrical and Electronic Engineering6 others

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

  1. 1 Composite Structure Analysis and Optimization Mechanics of Materials 7 works
  2. 2 Extraction and Separation Processes Mechanical Engineering 6 works
  3. 3 Fixed Point Theorems Analysis Geometry and Topology 5 works
  4. 4 Perovskite Materials and Applications Electrical and Electronic Engineering 5 works
  5. 5 Catalytic Processes in Materials Science Materials Chemistry 5 works
  6. 6 Plasmonic and Surface Plasmon Research Biomedical Engineering 4 works
  7. 7 Structural Load-Bearing Analysis Civil and Structural Engineering 4 works
  8. 8 Metal Extraction and Bioleaching Biomedical Engineering 4 works
  9. 9 Electrocatalysts for Energy Conversion Renewable Energy, Sustainability and the Environment 4 works
  10. 10 Vibration and Dynamic Analysis Control and Systems Engineering 4 works
  11. 11 Metallurgy and Material Forming Mechanics of Materials 4 works
  12. 12 Quantum Information and Cryptography Artificial Intelligence 3 works

Which universities in North Korea lead research?

Kim Il-sung University, Kim Chaek University of Technology and Institute of Natural Science rank highest in North Korea on research quality in 2022-now.

0%5%10%mean 3.725%fractional works (log) →share in the world top 10% →Institute of Natural…Kim Il-sung UniversityPyongyang University…Kim Chaek University…
above the meannear itbelow it

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

  1. 1Kim Il-sung UniversityUniversity · Pyongyang · #11,632 worldwide2.5% top 10% · 173 works
  2. 2Kim Chaek University of TechnologyUniversity · Pyongyang · #14,206 worldwide1.4% top 10% · 232 works
  3. 3Institute of Natural ScienceUniversity · Pyongyang · #16,941 worldwide9.3% top 10% · 287 works
  4. 4Pyongyang University of Science and TechnologyUniversity · Pyongyang · #17,815 worldwide1.7% top 10% · 104 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 North Korea

Who are the top researchers in North Korea?

Un-Gi Jong, Yun-Hyok Kye and Chol‐Jun Yu rank highest among researchers based in North Korea.

  1. 1 Un-Gi Jong #589,064 worldwide 2k citations · 71 works
  2. 2 Yun-Hyok Kye #951,780 worldwide 1.1k citations · 38 works
  3. 3 Chol‐Jun Yu #1,569,436 worldwide 2.7k citations · 144 works
  4. 4 Sunghyok Kim #1,881,333 worldwide 656 citations · 15 works
  5. 5 O Hyong-Chol #2,399,720 worldwide 182 citations · 44 works
  6. 6 Pyol Kim #2,668,188 worldwide 487 citations · 26 works
  7. 7 Hyok Choe #2,855,577 worldwide 34 citations · 17 works
  8. 8 Yong‐Ha Han #3,053,616 worldwide 371 citations · 29 works
  9. 9 Yong-Son Hong #3,061,002 worldwide 59 citations · 36 works
  10. 10 Su-Yong Paek #3,089,945 worldwide 55 citations · 15 works
Top researchers in North Korea

How open and international is North Korea's research?

54% of its research is openly available (world: 40%), and 48% is written with international co-authors (world: 18%).

openly available54.3%not open45.7%

World: 40% of research is openly available.

with international co-authors48.2%domestic only51.8%

World: 18% is written across borders.

In 2022-now, 53% of its research is openly available (world 63%) and 42% is written with co-authors abroad (world 22%). Against what its own mix of topics predicts, that is 1.01× the expected open access and 1.51× the expected international share, which puts it #138 of 173 countries on openness.

How has North Korea's research grown?

Output in 2022-2025 was 168% 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 North Korea as a percentage of every work published that year, 0.0029% in 2024.

still counting0.0025%0.0050%0.0075%North Korea0.0069% in 202519801990200020102020

Fractional works of North Korea 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, 5.5% of its 1.8k works since 1955 reached the world top 10% for their field and year.

still counting5%10%15%all institutions10.0% in 2025North Korea3.6% in 20252020

Of each year's output, the share that reached the world's 10% most cited for its field and year. Peak 11.9% in 2018.

Which countries have research most like North Korea's?

China is North Korea's closest research twin: of all countries, its research is spread across the fields most like North Korea's, with both strong in Chemical Engineering.

  1. 1 ChinaBoth strong in Chemical Engineering, Materials Science, Engineering 0.83 Compare
  2. 2 RussiaBoth strong in Earth and Planetary Sciences, Physics and Astronomy, Chemistry 0.64 Compare
  3. 3 TaiwanBoth strong in Materials Science, Chemical Engineering, Engineering 0.61 Compare
  4. 4 JapanBoth strong in Physics and Astronomy, Chemistry, Materials Science 0.56 Compare
  5. 5 BelarusBoth strong in Mathematics, Materials Science, Physics and Astronomy 0.55 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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North Korea on Science Explorer

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Research fields in North Korea

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