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The Institute of Statistical Mathematics

In research, The Institute of Statistical Mathematics stands highest in Physical Sciences (#6,799 of 12,888 worldwide), 2022–2025. Relative to its size it is most specialised in Statistics and Probability, Geophysics and Mathematics — Statistics and Probability is 67.5× its share of world research.

ism.ac.jpROR OpenAlex
World rank, 2022–2025
#11,765
of 28,054 · #8,353 all time
Rank in Japan
#293
of 1,070
Research works
2.2k
▲ 6% vs 2013–17
Citations
155k
69.1 per fractional work
Top-10% rate
13.7%
record average 16.5%
Open access
40%
world 28%

What is The Institute of Statistical Mathematics 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 #6,799 of 12,888 13.2%185 #5834

Each strip is that field’s whole ranked pool, with the notch where The Institute of Statistical Mathematics 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).

What does The Institute of Statistical Mathematics specialise in?

Where its research is concentrated relative to its size: Statistics and Probability takes 67.5× the share of its output that it takes of world research.

  1. Statistics and ProbabilitySubfield · 40.3 works67×
  2. GeophysicsSubfield · 20.2 works21×
  3. MathematicsField · 54.5 works17×
← 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: 0.13× its world share, 2 worksAgricultural and Bio…Biochemistry, Genetics and Molecular Biology: 0.60× its world share, 9 worksBiochemistry, Geneti…Immunology and Microbiology: 0.33× its world share, 1 worksImmunology and Micro…Neuroscience: 0.76× its world share, 3 worksNeurosciencePharmacology, Toxicology and Pharmaceutics: 0.04× its world share, 0 worksPharmacology, Toxico…Chemical Engineering: 0.11× its world share, 0 worksChemical EngineeringChemistry: 0.69× its world share, 3 worksChemistryComputer Science: 2.43× its world share, 53 worksComputer ScienceEarth and Planetary Sciences: 5.46× its world share, 24 worksEarth and Planetary …Energy: 0.03× its world share, 0 worksEnergyEngineering: 0.45× its world share, 19 worksEngineeringEnvironmental Science: 0.49× its world share, 7 worksEnvironmental ScienceMaterials Science: 0.67× its world share, 6 worksMaterials ScienceMathematics: 16.52× its world share, 54 worksMathematicsPhysics and Astronomy: 2.89× its world share, 18 worksPhysics and AstronomyDentistry: 0.05× its world share, 0 worksDentistryHealth Professions: 0.26× its world share, 2 worksHealth ProfessionsMedicine: 0.58× its world share, 31 worksMedicineNursing: 0.19× its world share, 0 worksNursingArts and Humanities: 0.02× its world share, 0 worksArts and HumanitiesBusiness, Management and Accounting: 0.20× its world share, 2 worksBusiness, Management…Decision Sciences: 4.75× its world share, 13 worksDecision SciencesEconomics, Econometrics and Finance: 1.93× its world share, 12 worksEconomics, Econometr…Psychology: 0.66× its world share, 6 worksPsychologySocial Sciences: 0.41× its world share, 14 worksSocial Sciences1×world share
more than its size predictsabout as predictedless

Rings at 0.5×, 1× and 2×. Widest outward: Mathematics, 16.5×. Every wedge is a field page.

Who are the top researchers at The Institute of Statistical Mathematics?

Ranked on the composite score, Yosihiko Ogata, Hirotugu Akaike and Shiro Ikeda lead among researchers whose main affiliation is The Institute of Statistical Mathematics.

  1. 1 Yosihiko Ogata Japan · #19,022 worldwide 886 citations · 41 works
  2. 2 Hirotugu Akaike Japan · #25,570 worldwide 2k citations · 35 works
  3. 3 Shiro Ikeda Japan · #79,112 worldwide 450 citations · 57 works
  4. 4 Masami Hasegawa Japan · #125,165 worldwide 235 citations · 54 works
  5. 5 Masaharu Tanemura Japan · #172,294 worldwide 138 citations · 22 works
  6. 6 Kenji Fukumizu Japan · #173,915 worldwide 506 citations · 79 works
  7. 7 Makio Ishiguro Japan · #212,163 worldwide 393 citations · 17 works
  8. 8 Kunio Tanabe Japan · #312,880 worldwide 154 citations · 17 works
  9. 9 Genshiro Kitagawa Japan · #322,107 worldwide 209 citations · 50 works
  10. 10 Chikio Hayashi Japan · #330,226 worldwide 87 citations · 38 works
All ranked researchers at The Institute of Statistical Mathematics

Which keywords describe research at The Institute of Statistical Mathematics?

By fractional works in 2022–2025, weighted toward what it does more of than the world: Machine Learning, Bayesian Methods, Model Selection, Variable Selection, High-Dimensional Data, Survival Analysis, Lasso and Regularization.

▲ 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. Machine Learning28▲ 3.0×42 topics
  2. Deep Learning17▲ 1.75×36 topics
  3. Bayesian Methods16▲ 113×2 topics
  4. Neural Networks13▲ 3.1×22 topics
  5. Model Selection13▲ 56×4 topics
  6. Variable Selection12▲ 46×2 topics
  7. High-Dimensional Data12▲ 27×3 topics
  8. Survival Analysis12▲ 15×5 topics
  9. Lasso11▲ 135×1 topic
  10. Regularization11▲ 135×1 topic
  11. Subduction8▲ 41×2 topics
  12. Bayesian Inference8▲ 31×5 topics
  13. Geodetic Measurements8▲ 27×2 topics
  14. Earthquakes8▲ 51×1 topic
  15. Plate Boundaries8▲ 51×1 topic
  16. Principal Component Analysis8▲ 19×3 topics
  17. Sensitivity Analysis8▲ 28×4 topics
  18. Structural Equation Modeling7▲ 12×2 topics
  19. Regression Analysis7▲ 62×2 topics
  20. Statistical Methods7▲ 75×2 topics
  21. Bayesian Modeling7▲ 123×1 topic
  22. Multiple Imputation7▲ 123×1 topic
  23. Outlier Detection7▲ 17×2 topics
  24. Multicollinearity6▲ 100×1 topic
  25. Robust Estimation6▲ 100×1 topic
  26. Variational Inference5▲ 76×2 topics
  27. Statistical Analysis5▲ 10×5 topics
  28. Clustering5▲ 19×3 topics
  29. Mixture Models5▲ 90×2 topics
  30. Adaptive Designs5▲ 80×1 topic
  31. False Discovery Rate5▲ 80×1 topic
  32. Ionospheric Anomalies5▲ 43×1 topic
  33. Seismic Electromagnetics5▲ 43×1 topic
  34. Convex Optimization4▲ 20×5 topics
  35. Plate Tectonics4▲ 10×2 topics
  36. Causal Inference4▲ 44×2 topics
  37. Quality Assessment4▲ 7.7×3 topics
  38. Sparse Representation4▲ 7.2×5 topics
  39. Hidden Markov Models4▲ 23×2 topics
  40. Dirichlet Process4▲ 84×1 topic

Which research topics does The Institute of Statistical Mathematics publish most on?

By volume in 2022–2025: Statistical Methods and Inference, earthquake and tectonic studies, Statistical Methods and Bayesian Inference and Advanced Statistical Methods and Models.

Statistical Methods and Inference: 11 fractional worksearthquake and tectonic studies: 8 fractional worksStatistical Methods and …7Statistical Methods and Bayesian Inference: 7 fractional worksAdvanced Statistical Met…6Advanced Statistical Methods and Models: 6 fractional worksEarthquake Detection and Analysis: 5 fractional worksStatistical Methods in Clinical Trials: 5 fractional worksBayesian Methods and Mix…4Bayesian Methods and Mixture Models: 4 fractional worksNeural Networks and Applications: 4 fractional worksAdvanced Causal Inference Techniques: 3 fractional worksGeological and Geochemical Analysis: 3 fractional works
Statistics and ProbabilityGeophysicsArtificial Intelligence

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

  1. 1 Statistical Methods and Inference Statistics and Probability 11 works
  2. 2 earthquake and tectonic studies Geophysics 8 works
  3. 3 Statistical Methods and Bayesian Inference Statistics and Probability 7 works
  4. 4 Advanced Statistical Methods and Models Statistics and Probability 6 works
  5. 5 Earthquake Detection and Analysis Geophysics 5 works
  6. 6 Statistical Methods in Clinical Trials Statistics and Probability 5 works
  7. 7 Bayesian Methods and Mixture Models Artificial Intelligence 4 works
  8. 8 Neural Networks and Applications Artificial Intelligence 4 works
  9. 9 Advanced Causal Inference Techniques Statistics and Probability 3 works
  10. 10 Geological and Geochemical Analysis Geophysics 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 available40.0%not open60.0%

World: 28% of research is openly available.

with international co-authors17.9%domestic only82.1%

World: 19% is written across borders.

How has The Institute of Statistical Mathematics's research output changed?

Output in 2018–2022 was 6% 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 Tokyo

All research institutions in Tokyo

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.