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Topic · Geriatrics and Gerontology

Frailty in Older Adults

Frailty in Older Adults is a research topic within Geriatrics and Gerontology. Science Explorer counts 32k research works in it since 1950. 10.0% of them reached the world's top 10% most cited for their field and year.

This cluster of papers focuses on the concept of frailty in older adults, with an emphasis on geriatric care, comprehensive geriatric assessment, and its implications for various health outcomes. The papers cover topics such as the measurement of frailty, its association with aging and chronic diseases, the impact on surgical and cancer treatment outcomes, and interventions to prevent or reverse frailty in older individuals.

  • Frailty
  • Geriatric Assessment
  • Aging
  • Comprehensive Geriatric Assessment
  • Elderly Patients
  • Functional Decline
  • Cancer in Older Adults
  • Inflammation
  • Mortality Risk
  • Physical Performance
Research works
32k
fractional, since 1950
In the world top 10%
3.2k
per year above
Top-10% rate
10.0%
share of its works in the world top 10%
Growth, 2018-21 → 2022-25
+36%
the tick is no change
Largest producer
United States
31% of the 10 largest, 2022-now
Frailty in Older Adults

This ranks research output and citation impact. It says nothing about the quality of diagnosis, treatment or care.

Which countries lead Frailty in Older Adults research?

By volume, the United States and China publish the most (2.6k and 1.7k works in 2022-now).

By volume, 2022-now

  1. 1 United States 2.6k works
  2. 2 China 1.7k works
  3. 3 United Kingdom 930 works
  4. 4 Japan 807 works
  5. 5 Canada 464 works
  6. 6 Australia 460 works
  7. 7 Spain 451 works
  8. 8 Italy 374 works
  9. 9 Brazil 359 works
  10. 10 Germany 350 works

How concentrated that is

The same countries as shares of everything the list above accounts for. A node where two countries do two thirds of the work and one spread evenly across twelve read alike as a ranking and not at all alike here.

United States: 30.5%China: 20.2%United Kingdom: 10.9%Japan: 9.5%6 others listed: 28.9%31%largest
United States2,597 · 30.5%China1,719 · 20.2%United Kingdom930 · 10.9%Japan807 · 9.5%6 others listed2,458 · 28.9%

Shares of the rows listed above, not of the whole node.

Which institutions lead Frailty in Older Adults research?

By volume in 2022-now, Harvard University publishes the most Frailty in Older Adults research, followed by United States Department of Veterans Affairs and University of Toronto.

By volume, 2022-now

  1. 1 Harvard UniversityUnited States 145 works
  2. 2 United States Department of Veterans AffairsUnited States 74 works
  3. 3 University of TorontoCanada 72 works
  4. 4 Johns Hopkins UniversityUnited States 71 works
  5. 5 Sichuan UniversityChina 67 works
  6. 6 Capital Medical UniversityChina 61 works
  7. 7 Peking UniversityChina 55 works
  8. 8 University of North Carolina at Chapel HillUnited States 53 works
  9. 9 Trinity College DublinIreland 51 works
  10. 10 National University of SingaporeSingapore 48 works

Who are the leading researchers in Frailty in Older Adults?

The most-cited researchers publishing on Frailty in Older Adults include Douglas G. Altman, Ahmedin Jemal and Christopher J L Murray.

  1. 1 Douglas G. Altman United Kingdom 862k citations
  2. 2 Ahmedin Jemal United States 761k citations
  3. 3 Christopher J L Murray United States 583k citations
  4. 4 Freddie Bray France 550k citations
  5. 5 Jacques Ferlay France 486k citations
  6. 6 Simon Iain Hay United States 452k citations
  7. 7 Theo Vos United States 439k citations
  8. 8 Ali H. Mokdad United States 429k citations
  9. 9 Walter Churchill Willett United States 411k citations
  10. 10 Guido Kroemer France 386k citations

Ranked by citations received across their whole record, among researchers with at least three works on this topic.

What are the most cited papers in Frailty in Older Adults?

The most cited paper in Frailty in Older Adults is "Frailty in Older Adults: Evidence for a Phenotype" (Linda P. Fried, Catherine M. Tangen, Jeremy D Walston et al., 2001), with 25,162 citations. Next come "The diagnosis of dementia due to Alzheimer's disease: Recommendations from the National Institute on Aging‐Alzheimer's Association workgroups on diagnostic guidelines for Alzheimer's disease" (19,132) and "Sarcopenia: revised European consensus on definition and diagnosis" (14,151).

Most cited papers
#PaperReleasedCitations
1 Frailty in Older Adults: Evidence for a Phenotype Linda P. Fried, Catherine M. Tangen, Jeremy D Walston et al. · The Journals of Gerontology Series A Mar 2001 25,162
2 The diagnosis of dementia due to Alzheimer's disease: Recommendations from the National Institute on Aging‐Alzheimer's Association workgroups on diagnostic guidelines for Alzheimer's disease Guy M. McKhann, David S. Knopman, Howard Mark Chertkow et al. · Alzheimer s & Dementia Open access 22 Apr 2011 19,132
3 Sarcopenia: revised European consensus on definition and diagnosis Alfonso José Cruz-Jentoft et al. · Age and Ageing Open access 24 Sep 2018 14,151
4 Sarcopenia: European consensus on definition and diagnosis Alfonso José Cruz-Jentoft, Jean‐Pierre Baeyens, Jürgen Martin Bauer et al. · Age and Ageing Open access 13 Apr 2010 11,720
5 Global burden of 87 risk factors in 204 countries and territories, 1990–2019: a systematic analysis for the Global Burden of Disease Study 2019 Christopher J L Murray et al. · The Lancet Open access940 authors Oct 2020 9,961
All 99 most cited papers, with filters and sorting

Where is Frailty in Older Adults research done?

The largest centres of Frailty in Older Adults research in 2022-now are Beijing (China), London (United Kingdom), Tokyo (Japan) and Seoul (South Korea). Among places with at least 20 works in it, it is an unusually large share of all research in Ōbu, Limerick and Winston-Salem.

Largest cities, 2022-now

  1. 1 BeijingChina 272 works
  2. 2 LondonUnited Kingdom 231 works
  3. 3 TokyoJapan 201 works
  4. 4 SeoulSouth Korea 157 works
  5. 5 BostonUnited States 150 works
  6. 6 SingaporeSingapore 147 works
  7. 7 New YorkUnited States 132 works
  8. 8 ShanghaiChina 125 works
  9. 9 ChengduChina 114 works
  10. 10 MelbourneAustralia 113 works

Where it is the local speciality

  1. ŌbuJP · 35.7 works98×
  2. LimerickIE · 22.5 works9.5×
  3. Winston-SalemUS · 40.7 works9.2×
← less than its size predicts1×more →

Location quotient: how much more of its research is in Frailty in Older Adults than the world average.

See Frailty in Older Adults on the map

Where is the best place to study Frailty in Older Adults?

Among universities, judged by research, Harvard University, Sichuan University and Peking University score highest, combining citation excellence, specialisation, size, growth and international reach. Research strength is one signal when choosing where to study; it does not measure teaching.

0%10%20%30%mean 18.55%fractional works in this field (log) →share of work in the world top 10% →Sichuan UniversityChinese University o…Peking UniversityHarvard University
above the meannear itbelow it

One dot per university in the first ten of the table below, at the default weights. The upper left is the interesting corner: small places doing unusually strong work.

Citation excellenceshare of its work in the world top 10%, 2022-now and all time averaged
40%
Specialisationhow much of its work is in this field, counted up to 10× the world share
10%
Sizeits output in this field, on a log scale
30%
Growthoutput growth, counted from -20% to +20%
10%
Internationalshare of its work with a co-author abroad
10%
Each slider sets a weight; the share it gets of the score is beside it.
#UniversityScoreTop 10%SpecialisationWorksGrowth
1Harvard UniversityUnited States 71.111.6%4.3×145 +19.6%
2Sichuan UniversityChina 70.821.9%2.8×67 +67.1%
3Peking UniversityChina 64.618.4%2.5×55 +254.7%
4Chinese University of Hong KongChina 63.018.9%3.3×25 +28.7%
5National University of SingaporeSingapore 62.813.8%3.8×48 +106.6%
6Karolinska InstitutetSweden 62.015.0%6.4×38 +18.4%
7Shandong UniversityChina 61.724.7%1.5×20 +122.7%
8Zhejiang UniversityChina 61.320.8%1.3×37 +433.0%
9Jilin UniversityChina 60.824.9%1.5×18 +165.1%
10Capital Medical UniversityChina 60.515.5%5.4×61 +89.1%

Universities only. The score blends citation excellence (40%), size (30%), specialisation (10%), growth (10%), international reach (10%), 2022-now; growth compares 2018-21 with 2022-25 and counts up to +20%, since a jump from a small base is mostly noise.

Every institution in Frailty in Older Adults, country by country

Is Frailty in Older Adults research growing?

Output in 2022-2025 was 36% higher than in 2018-2021, peaking in 2025. The fastest-growing topics are Frailty in Older Adults.

still counting19801990200020102020
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 Frailty in Older Adults as a percentage of every work published that year, 0.048% in 2024.

still counting0.020%0.040%0.060%Frailty in Older Adults0.054% in 202519801990200020102020

Fractional works of Frailty in Older Adults 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.

still counting5%10%15%Frailty in Older Adults9.9% in 2025200020102020

Of each year's works in it, the share that reached the world's 10% most cited for their field and year. A field is the world for its own topics, so there is no other line to hold it against.

Which topics inside it are moving

Growth and decline on one axis around a shared zero. Two lists side by side hide the thing that matters: whether the growth dwarfs the decline, or the other way round.

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