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Nonprofit · Laxenburg · Austria

International Institute for Applied Systems Analysis

In research, International Institute for Applied Systems Analysis stands highest in Environmental Science (#195 of 3,334 worldwide), Physical Sciences (#825 of 10,670 worldwide) and Social Sciences (#1,122 of 9,585 worldwide), 2022-now. Relative to its size it is most specialised in Global and Planetary Change, Environmental Engineering and Environmental Science (Global and Planetary Change is 18.6× its share of world research).

iiasa.ac.atROR OpenAlex
World rank, 2022-now
#1,224
of 22,385 · #781 all time
Rank in Austria
#13
of 143
Research works
3.9k
▼ 10% vs 2018-21
Citations
163k
42.0 per fractional work
Top-10% rate
19.2%
all institutions 10.0%
vs its own fields
1.39×
1.00× is exactly expected
Open access
59%
world 40%
International
56%
world 18%
International Institute for Applied Systems Analysis

What is International Institute for Applied Systems Analysis known for in research?

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

FieldWorld rankWhere that sitsTop-10% rateWorksAll time
Environmental ScienceField #195 of 3,334 20.9%209 #165
Physical SciencesDomain #825 of 10,670 20.7%348 #639
Social SciencesDomain #1,122 of 9,585 23.1%193 #545
Global and Planetary ChangeSubfield #92 of 544 22.4%77 #80
Economics, Econometrics and FinanceField #391 of 1,798 19.1%61 #194
EngineeringField #1,302 of 5,901 21.5%64 #848
Social SciencesField #1,441 of 5,988 27.6%94 #580

Each strip is that field's whole ranked pool, with the notch where International Institute for Applied Systems Analysis 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 average mark, because the average differs by field (from about 6% in Dentistry to 21% in Economics).

Which of those standings moved

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

  1. Environmental Science#165 #195
  2. Physical Sciences#639 #825
  3. Social Sciences#545 #1,122
  4. Global and Planetary Change#80 #92
  5. Economics, Econometrics and Finance#194 #391
  6. Engineering#848 #1,302
  7. Social Sciences#580 #1,441
all time2022-now, better2022-now, worse

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

Which fields of science does International Institute for Applied Systems Analysis work in?

In 2022-now, 58% of research at International Institute for Applied Systems Analysis is in Physical Sciences, 29% in Social Sciences. Its largest fields are Environmental Science (36%), Social Sciences (15%), Engineering (10%). It does 1.5× the world's share of Physical Sciences.

Physical Sciences: 461 fractional works · 57.8% of its workEnvironmental Science: 284 fractional works · 35.6% of its workGlobal and Planetary Change: 113 fractional works · 14.1% of its workEnvironmental Engineering: 35 fractional works · 4.4% of its workEcology: 27 fractional works · 3.4% of its workWater Science and Technology: 22 fractional works · 2.7% of its workHealth, Toxicology and Mutagenesis: 20 fractional works · 2.5% of its workManagement, Monitoring, Policy and Law: 17 fractional works · 2.2% of its workPollution: 15 fractional works · 1.9% of its workEcological Modeling: 11 fractional works · 1.4% of its workNature and Landscape Conservation: 11 fractional works · 1.4% of its workEnvironmental Chemistry: 7 fractional works · 0.9% of its workIndustrial and Manufacturing Engineering: 7 fractional works · 0.8% of its workEngineering: 80 fractional works · 10.0% of its workElectrical and Electronic Engineering: 20 fractional works · 2.6% of its workBuilding and Construction: 10 fractional works · 1.3% of its workMechanical Engineering: 10 fractional works · 1.3% of its workOcean Engineering: 10 fractional works · 1.2% of its workAutomotive Engineering: 6 fractional works · 0.7% of its workCivil and Structural Engineering: 4 fractional works · 0.5% of its workAerospace Engineering: 4 fractional works · 0.5% of its workControl and Systems Engineering: 3 fractional works · 0.4% of its workMedia Technology: 3 fractional works · 0.4% of its workMechanics of Materials: 3 fractional works · 0.4% of its workBiomedical Engineering: 2 fractional works · 0.2% of its workIndustrial and Manufacturing Engineering: 2 fractional works · 0.2% of its workSmaller subfields together: 1 fractional works · 0.2% of its workEnergy: 33 fractional works · 4.2% of its workRenewable Energy, Sustainability and the Environment: 23 fractional works · 2.9% of its workEnergy Engineering and Power Technology: 6 fractional works · 0.8% of its workGeneral Energy: 4 fractional works · 0.5% of its workEarth and Planetary Sciences: 27 fractional works · 3.4% of its workAtmospheric Science: 20 fractional works · 2.5% of its workOceanography: 4 fractional works · 0.6% of its workSmaller subfields together: 3 fractional works · 0.4% of its workComputer Science: 23 fractional works · 2.8% of its workArtificial Intelligence: 11 fractional works · 1.3% of its workInformation Systems: 5 fractional works · 0.6% of its workComputer Vision and Pattern Recognition: 2 fractional works · 0.3% of its workComputational Theory and Mathematics: 2 fractional works · 0.3% of its workSmaller subfields together: 3 fractional works · 0.4% of its workMathematics: 6 fractional works · 0.8% of its workModeling and Simulation: 3 fractional works · 0.4% of its workStatistics and Probability: 2 fractional works · 0.2% of its workSmaller subfields together: 1 fractional works · 0.2% of its workPhysics and Astronomy: 5 fractional works · 0.6% of its workStatistical and Nonlinear Physics: 2 fractional works · 0.3% of its workAstronomy and Astrophysics: 2 fractional works · 0.3% of its workSmaller subfields together: 0 fractional works · 0.1% of its workMaterials Science: 1 fractional works · 0.2% of its workChemical Engineering: 1 fractional works · 0.1% of its workChemistry: 1 fractional works · 0.1% of its workSocial Sciences: 235 fractional works · 29.5% of its workSocial Sciences: 120 fractional works · 15.0% of its workSociology and Political Science: 68 fractional works · 8.5% of its workDemography: 9 fractional works · 1.1% of its workCommunication: 8 fractional works · 1.0% of its workTransportation: 7 fractional works · 0.9% of its workPolitical Science and International Relations: 6 fractional works · 0.7% of its workHealth: 4 fractional works · 0.5% of its workGender Studies: 4 fractional works · 0.5% of its workLaw: 3 fractional works · 0.3% of its workUrban Studies: 3 fractional works · 0.3% of its workGeography, Planning and Development: 2 fractional works · 0.3% of its workSafety Research: 2 fractional works · 0.3% of its workSmaller subfields together: 4 fractional works · 0.5% of its workEconomics, Econometrics and Finance: 69 fractional works · 8.7% of its workEconomics and Econometrics: 58 fractional works · 7.3% of its workGeneral Economics, Econometrics and Finance: 7 fractional works · 0.9% of its workFinance: 5 fractional works · 0.6% of its workDecision Sciences: 19 fractional works · 2.3% of its workManagement Science and Operations Research: 15 fractional works · 1.9% of its workInformation Systems and Management: 3 fractional works · 0.3% of its workSmaller subfields together: 1 fractional works · 0.1% of its workBusiness, Management and Accounting: 17 fractional works · 2.1% of its workStrategy and Management: 6 fractional works · 0.8% of its workManagement of Technology and Innovation: 4 fractional works · 0.5% of its workMarketing: 2 fractional works · 0.3% of its workOrganizational Behavior and Human Resource Management: 2 fractional works · 0.2% of its workSmaller subfields together: 3 fractional works · 0.4% of its workPsychology: 8 fractional works · 1.0% of its workSocial Psychology: 3 fractional works · 0.4% of its workClinical Psychology: 2 fractional works · 0.3% of its workSmaller subfields together: 3 fractional works · 0.4% of its workArts and Humanities: 2 fractional works · 0.2% of its workLife Sciences: 66 fractional works · 8.3% of its workAgricultural and Biological Sciences: 59 fractional works · 7.4% of its workEcology, Evolution, Behavior and Systematics: 17 fractional works · 2.1% of its workGeneral Agricultural and Biological Sciences: 13 fractional works · 1.7% of its workSoil Science: 10 fractional works · 1.3% of its workPlant Science: 8 fractional works · 0.9% of its workInsect Science: 3 fractional works · 0.4% of its workForestry: 3 fractional works · 0.3% of its workFood Science: 3 fractional works · 0.3% of its workSmaller subfields together: 3 fractional works · 0.4% of its workBiochemistry, Genetics and Molecular Biology: 6 fractional works · 0.8% of its workGenetics: 2 fractional works · 0.3% of its workMolecular Biology: 2 fractional works · 0.2% of its workBiochemistry: 2 fractional works · 0.2% of its workSmaller subfields together: 0 fractional works · 0.0% of its workNeuroscience: 1 fractional works · 0.1% of its workImmunology and Microbiology: 1 fractional works · 0.1% of its workHealth Sciences: 35 fractional works · 4.4% of its workMedicine: 21 fractional works · 2.6% of its workPublic Health, Environmental and Occupational Health: 7 fractional works · 0.8% of its workEpidemiology: 3 fractional works · 0.4% of its workPediatrics, Perinatology and Child Health: 3 fractional works · 0.4% of its workReproductive Medicine: 3 fractional works · 0.3% of its workSmaller subfields together: 6 fractional works · 0.7% of its workHealth Professions: 11 fractional works · 1.4% of its workGeneral Health Professions: 10 fractional works · 1.2% of its workSmaller subfields together: 1 fractional works · 0.2% of its workNursing: 3 fractional works · 0.4% of its workNutrition and Dietetics: 3 fractional works · 0.4% of its workVeterinary: 0 fractional works · 0.0% of its workALL ITS WORKInternationalInstitute for…797fractional works, 2022-now
Life Sciences8%Physical Sciences58%Health Sciences4%Social Sciences29%

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 institution does than the world.

Its 4 domains and 24 fields, with their numbers
    1. Environmental Science28435.6%
    2. Engineering8010.0%
    3. Energy334.2%
    4. Earth and Planetary Sciences273.4%
    5. Computer Science232.8%
    6. Mathematics60.8%
    7. Physics and Astronomy50.6%
    8. Materials Science10.2%
    9. Chemical Engineering10.1%
    10. Chemistry10.1%
    1. Social Sciences12015.0%
    2. Economics, Econometrics and Finance698.7%
    3. Decision Sciences192.3%
    4. Business, Management and Accounting172.1%
    5. Psychology81.0%
    6. Arts and Humanities20.2%
    1. Agricultural and Biological Sciences597.4%
    2. Biochemistry, Genetics and Molecular Biology60.8%
    3. Neuroscience10.1%
    4. Immunology and Microbiology10.1%
    1. Medicine212.6%
    2. Health Professions111.4%
    3. Nursing30.4%
    4. Veterinary00.0%
All of science, and how each field's share has moved since 1950: the Science domain explorer

What does International Institute for Applied Systems Analysis specialise in?

Where its research is concentrated relative to its size: Global and Planetary Change takes 18.6× the share of its output that it takes of world research.

  1. Global and Planetary ChangeSubfield · 112.7 works19×
  2. Environmental EngineeringSubfield · 35.1 works8.2×
  3. Environmental ScienceField · 283.9 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: 1.55× its world share, 59 worksAgricultural and Bio…Biochemistry, Genetics and Molecular Biology: 0.14× its world share, 6 worksBiochemistry, Geneti…Immunology and Microbiology: 0.07× its world share, 0 worksImmunology and Micro…Neuroscience: 0.08× its world share, 1 worksNeuroscienceChemical Engineering: 0.35× its world share, 1 worksChemical EngineeringChemistry: 0.06× its world share, 1 worksChemistryComputer Science: 0.36× its world share, 23 worksComputer ScienceEarth and Planetary Sciences: 2.17× its world share, 27 worksEarth and Planetary …Energy: 4.54× its world share, 33 worksEnergyEngineering: 0.67× its world share, 80 worksEngineeringEnvironmental Science: 7.17× its world share, 284 worksEnvironmental ScienceMaterials Science: 0.05× its world share, 1 worksMaterials ScienceMathematics: 0.65× its world share, 6 worksMathematicsPhysics and Astronomy: 0.27× its world share, 5 worksPhysics and AstronomyHealth Professions: 0.53× its world share, 11 worksHealth ProfessionsMedicine: 0.14× its world share, 21 worksMedicineNursing: 0.78× its world share, 3 worksNursingVeterinary: 0.23× its world share, 0 worksVeterinaryArts and Humanities: 0.08× its world share, 2 worksArts and HumanitiesBusiness, Management and Accounting: 0.66× its world share, 17 worksBusiness, Management…Decision Sciences: 2.40× its world share, 18 worksDecision SciencesEconomics, Econometrics and Finance: 4.07× its world share, 70 worksEconomics, Econometr…Psychology: 0.34× its world share, 8 worksPsychologySocial Sciences: 1.19× its world share, 120 worksSocial Sciences1×world share
more than its size predictsabout as predictedless

Rings at 0.5×, 1× and 2×. Widest outward: Environmental Science, 7.2×. Every wedge is a field page.

All 24 fields, with their numbers
  1. Environmental Science7.17×284 works
  2. Energy4.54×33 works
  3. Economics, Econometrics and Finance4.07×70 works
  4. Decision Sciences2.40×18 works
  5. Earth and Planetary Sciences2.17×27 works
  6. Agricultural and Biological Sciences1.55×59 works
  7. Social Sciences1.19×120 works
  8. Nursing0.78×3 works
  9. Engineering0.67×80 works
  10. Business, Management and Accounting0.66×17 works
  11. Mathematics0.65×6 works
  12. Health Professions0.53×11 works
  13. Computer Science0.36×23 works
  14. Chemical Engineering0.35×1 works
  15. Psychology0.34×8 works
  16. Physics and Astronomy0.27×5 works
  17. Veterinary0.23×0 works
  18. Biochemistry, Genetics and Molecular Biology0.14×6 works
  19. Medicine0.14×21 works
  20. Neuroscience0.08×1 works
  21. Arts and Humanities0.08×2 works
  22. Immunology and Microbiology0.07×0 works
  23. Chemistry0.06×1 works
  24. Materials Science0.05×1 works

Who are the top researchers at International Institute for Applied Systems Analysis?

Ranked on the quality score, Joeri Rogelj, Yoshihide Wada and Keywan Riahi lead among researchers whose main affiliation is International Institute for Applied Systems Analysis.

  1. 1 Joeri Rogelj Austria · #605 worldwide 45k citations · 454 works
  2. 2 Yoshihide Wada Austria · #1,643 worldwide 57k citations · 642 works
  3. 3 Keywan Riahi Austria · #2,026 worldwide 99k citations · 570 works
  4. 4 Piero Visconti Austria · #9,302 worldwide 18k citations · 221 works
  5. 5 Thomas Gasser Austria · #10,977 worldwide 18k citations · 270 works
  6. 6 Zbigniew Klimont Austria · #12,290 worldwide 63k citations · 491 works
  7. 7 Christian Folberth Austria · #14,588 worldwide 13k citations · 226 works
  8. 8 Volker Krey Austria · #15,142 worldwide 38k citations · 406 works
  9. 9 Peter Havlík Austria · #17,654 worldwide 47k citations · 740 works
  10. 10 Hugo Valin Austria · #18,582 worldwide 19k citations · 201 works
All ranked researchers at International Institute for Applied Systems Analysis

What are the most cited papers from International Institute for Applied Systems Analysis?

The most cited paper from International Institute for Applied Systems Analysis is "A comparative risk assessment of burden of disease and injury attributable to 67 risk factors and risk factor clusters in 21 regions, 1990–2010: a systematic analysis for the Global Burden of Disease Study 2010" (Stephen S Lim et al., 2012), with 12,027 citations. Next come "The representative concentration pathways: an overview" (8,089) and "Bounding the role of black carbon in the climate system: A scientific assessment" (6,885).

Most cited papers
#PaperReleasedCitations
1 A comparative risk assessment of burden of disease and injury attributable to 67 risk factors and risk factor clusters in 21 regions, 1990–2010: a systematic analysis for the Global Burden of Disease Study 2010 Stephen S Lim et al. · The Lancet Open access209 authors Dec 2012 12,027
2 The representative concentration pathways: an overview Detlef Peter van Vuuren, Jae Edmonds, Mikiko Kainuma et al. · Climatic Change Open access 4 Aug 2011 8,089
3 Bounding the role of black carbon in the climate system: A scientific assessment Tami C. Bond et al. · Journal of Geophysical Research Atmospheres Open access 22 Apr 2013 6,885
4 The Shared Socioeconomic Pathways and their energy, land use, and greenhouse gas emissions implications: An overview Keywan Riahi et al. · Global Environmental Change Open access 13 Sep 2016 6,791
5 The next generation of scenarios for climate change research and assessment Richard H. Moss, Jae Edmonds, Kathy A. Hibbard et al. · Nature Feb 2010 6,734
All 60 most cited papers, with filters and sorting

Which keywords describe research at International Institute for Applied Systems Analysis?

By fractional works in 2022-now, weighted toward what it does more of than the world: Climate Change, Sustainability, Renewable Energy, Global Warming, Greenhouse Gas Emissions, Environmental Impact, Environmental Policy and Vulnerability.

▲ 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 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 Change231▲ 11×91 topics
  2. Sustainability111▲ 5.7×65 topics
  3. Renewable Energy91▲ 7.9×32 topics
  4. Global Warming74▲ 22×15 topics
  5. Environmental Impact70▲ 5.2×34 topics
  6. Greenhouse Gas Emissions68▲ 31×9 topics
  7. Environmental Policy49▲ 30×11 topics
  8. Vulnerability48▲ 26×7 topics
  9. Energy Transition46▲ 39×4 topics
  10. Remote Sensing42▲ 4.4×27 topics
  11. Resilience35▲ 9.0×10 topics
  12. Biodiversity Conservation34▲ 11×14 topics
  13. Climate Change Adaptation32▲ 23×3 topics
  14. Biodiversity32▲ 5.3×24 topics
  15. Life Cycle Assessment31▲ 14×7 topics
  16. Urbanization30▲ 9.4×8 topics
  17. Social-Ecological Systems30▲ 27×3 topics
  18. Sustainability Assessment28▲ 25×7 topics
  19. Economic Growth28▲ 4.3×16 topics
  20. Economic Impacts27▲ 52×2 topics
  21. Carbon Pricing27▲ 73×1 topic
  22. Policy Instruments27▲ 57×2 topics
  23. Socioeconomic Pathways27▲ 73×1 topic
  24. Land Use Change27▲ 11×6 topics
  25. Adaptation25▲ 10×8 topics
  26. Hydrological Modeling23▲ 12×5 topics
  27. Risk Perception23▲ 11×4 topics
  28. Carbon Footprint23▲ 40×3 topics
  29. Water Resources22▲ 12×9 topics
  30. Food Security22▲ 5.2×13 topics
  31. Ecosystem Services21▲ 6.9×12 topics
  32. Public Perception21▲ 20×6 topics
  33. Global Trade20▲ 13×3 topics
  34. Embodied Energy20▲ 43×1 topic
  35. Water Footprint20▲ 43×1 topic
  36. Disaster Management20▲ 16×3 topics
  37. Model Evaluation18▲ 18×2 topics
  38. Policy17▲ 10×8 topics
  39. Sustainability Transitions17▲ 66×2 topics
  40. Adaptive Governance17▲ 72×1 topic

Which research topics does International Institute for Applied Systems Analysis publish most on?

By volume in 2022-now: Climate Change Policy and Economics, Environmental Impact and Sustainability, Sustainability and Climate Change Governance and Disaster Management and Resilience.

Climate Change Policy an…27Climate Change Policy and Economics: 27 fractional worksEnvironmental Impact and…20Environmental Impact and Sustainability: 20 fractional worksSustainability and Clima…17Sustainability and Climate Change Governance: 17 fractional worksDisaster Management and …16Disaster Management and Resilience: 16 fractional worksFlood Risk Assessment and Management: 14 fractional worksLand Use and Ecosystem Services: 13 fractional worksEnergy and Environment I…13Energy and Environment Impacts: 13 fractional worksClimate change impacts on agriculture: 12 fractional worksWater-Energy-Food Nexus Studies: 12 fractional worksSpecies Distribution and…11Species Distribution and Climate Change: 11 fractional works
Economics and EconometricsEnvironmental EngineeringGlobal and Planetary ChangeSociology and Political Science4 others

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

  1. 1 Climate Change Policy and Economics Economics and Econometrics 27 works
  2. 2 Environmental Impact and Sustainability Environmental Engineering 20 works
  3. 3 Sustainability and Climate Change Governance Global and Planetary Change 17 works
  4. 4 Disaster Management and Resilience Sociology and Political Science 16 works
  5. 5 Flood Risk Assessment and Management Global and Planetary Change 14 works
  6. 6 Land Use and Ecosystem Services Global and Planetary Change 13 works
  7. 7 Energy and Environment Impacts Pollution 13 works
  8. 8 Climate change impacts on agriculture Ecology, Evolution, Behavior and Systematics 12 works
  9. 9 Water-Energy-Food Nexus Studies Water Science and Technology 12 works
  10. 10 Species Distribution and Climate Change Ecological Modeling 11 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 available59.0%not open41.0%

World: 40% of research is openly available.

with international co-authors55.8%domestic only44.2%

World: 18% is written across borders.

How has International Institute for Applied Systems Analysis's research output changed?

Output in 2022-2025 was 10% lower 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 International Institute for Applied Systems Analysis as a percentage of every work published that year, 0.0028% in 2024.

still counting0.0050%0.010%0.015%International Institute for Applied Systems Analysis0.0029% in 202519801990200020102020

Fractional works of International Institute for Applied Systems Analysis over all fractional works that year. How the balance of science has shifted.

How much of it reaches the world top 10%

Year by year, against all institutions in the same year.

still counting10%20%30%International Institute for Applied Systems Analysis20.7% in 2025all institutions10.0% in 2025200020102020

Of each year's output, the share that reached the world's 10% most cited for its field and year. Peak 29.8% in 2014.

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Its overall standing, then the domains, fields and subfields where International Institute for Applied Systems Analysis is in the world's top ten or its top 1%. Each has an image of its own.

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