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Subfield · Biochemistry, Genetics and Molecular Biology

Aging research

Aging is a subfield of Biochemistry, Genetics and Molecular Biology. Science Explorer counts 29k research works in it since 1950. 20.5% of them reached the world's top 10% most cited for their field and year.

In short: biological processes in a human body coupled to increasing age.

Research works
29k
fractional, since 1950
In the world top 10%
5.8k
per year above
Top-10% rate
20.5%
share of its works in the world top 10%
Topics
1
Growth, 2013–17 → 2018–22
+22%
the tick is no change

Which countries lead Aging research?

On research quality in 2022–2025, the United States, China and the United Kingdom rank highest in Aging. By volume, the United States and China publish the most (1.6k and 978 works in 2022–2025).

By research quality, 2022–2025

  1. 1 United States · #1 all time 18.4% top 10% · 1.6k works
  2. 2 China · #3 all time 23.6% top 10% · 978 works
  3. 3 United Kingdom · #2 all time 26.4% top 10% · 208 works
  4. 4 Japan · #7 all time 11.2% top 10% · 203 works

The track on each row is that row’s top-10% rate. The ranking itself is the composite score, which the rate is only one part of.

Of 4 countries ranked in Aging. Composite of field-normalised excellence (50%), output (30%) and citations (20%); the bracket is the all-time rank.

All countries ranked in Aging

By volume, 2022–2025

  1. 1 United States 1.6k works
  2. 2 China 978 works
  3. 3 United Kingdom 208 works
  4. 4 Japan 203 works
  5. 5 Germany 200 works
  6. 6 India 196 works
  7. 7 Canada 153 works
  8. 8 France 144 works
  9. 9 South Korea 127 works
  10. 10 Spain 121 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: 41.1%China: 24.7%United Kingdom: 5.3%Japan: 5.1%6 others listed: 23.8%41%largest
United States1,629 · 41.1%China978 · 24.7%United Kingdom208 · 5.3%Japan203 · 5.1%6 others listed941 · 23.8%

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

Which institutions lead Aging research?

By volume in 2022–2025, Harvard University publishes the most Aging research, followed by University of California, Irvine and University of California San Diego.

By volume, 2022–2025

  1. 1 Harvard University United States 30 works
  2. 2 University of California, Irvine United States 27 works
  3. 3 University of California San Diego United States 24 works
  4. 4 University of Southern California United States 23 works
  5. 5 University of Pennsylvania United States 22 works
  6. 6 Centre National de la Recherche Scientifique France 21 works
  7. 7 University of Michigan United States 21 works
  8. 8 University of Washington United States 21 works
  9. 9 University of North Carolina at Chapel Hill United States 21 works
  10. 10 Rockefeller University United States 20 works

Who are the leading researchers in Aging?

Among the most productive authors in Aging, Barry Halliwell, Steve Horvath and Stephen E. Epstein rank highest on the composite score.

  1. 1 Barry Halliwell United Kingdom · #215 worldwide 4k citations · 147 works
  2. 2 Steve Horvath United States · #359 worldwide 4.2k citations · 113 works
  3. 3 Stephen E. Epstein United States · #573 worldwide 2.8k citations · 150 works
  4. 4 Paul B. Baltes Germany · #783 worldwide 2.1k citations · 147 works
  5. 5 Terrie E. Moffitt United States · #884 worldwide 2.7k citations · 120 works
  6. 6 Steven R. Cummings United States · #1,012 worldwide 1.6k citations · 119 works
  7. 7 Douglas R. Green United States · #1,091 worldwide 2.8k citations · 121 works
  8. 8 Luigi Ferrucci United States · #1,649 worldwide 5.3k citations · 345 works
  9. 9 Matteo Cesari Italy · #1,686 worldwide 2.1k citations · 87 works
  10. 10 Tony Hunter United States · #1,806 worldwide 2.8k citations · 90 works

Re-ranked on the composite score from the 2,156 highest-output authors in Aging. Identities come from OpenAlex author disambiguation, which occasionally merges or splits people.

Top 100 Aging researchers

Where is Aging research done?

The largest centres of Aging research in 2022–2025 are Beijing (China), New York (United States), Shanghai (China) and Paris (France). Among places with at least 20 works in it, it is an unusually large share of all research in Worcester and Irvine.

Largest cities, 2022–2025

  1. 1 Beijing China 170 works
  2. 2 New York United States 81 works
  3. 3 Shanghai China 79 works
  4. 4 Paris France 71 works
  5. 5 London United Kingdom 71 works
  6. 6 Moscow Russia 63 works
  7. 7 Tokyo Japan 63 works
  8. 8 Nanjing China 57 works
  9. 9 Guangzhou China 56 works
  10. 10 Seoul South Korea 48 works

Where it is the local speciality

  1. WorcesterUS · 23.9 works13×
  2. IrvineUS · 27.3 works8.6×
← less than its size predicts1×more →

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

See Aging on the map

Aging research by country

The best places for Aging research inside each country, with that country's researchers and world standing.

Where is the best place to study Aging?

Among universities, judged by research, University of Massachusetts Chan Medical School, Southeast University and University of California San Diego score highest, combining excellence, specialisation, size, growth and international reach. Research strength is one signal when choosing where to study; it does not measure teaching.

0%20%40%60%mean 24.1%fractional works in this node (log) →share in the world top 10% →University of Massachusetts Chan Medical School: 18, 36.1%Southeast University: 20, 54.6%University of California San Diego: 24, 33.2%Harvard University: 30, 25.3%University of Southern California: 23, 20.3%Albert Einstein College of Medicine: 13, 16.4%University of California, Irvine: 27, 6.2%University of Alabama at Birmingham: 17, 22.8%Rockefeller University: 20, 6.4%Baylor College of Medicine: 15, 19.7%Southeast UniversityUniversity of Massac…University of Califo…Harvard University
above the meannear itbelow it

One dot per university in the table below. The upper left is the interesting corner: small places doing unusually strong work.

#UniversityScoreTop 10%SpecialisationWorksGrowth
1University of Massachusetts Chan Medical School United States 60.936.1%23.5×18 +17.4%
2Southeast University China 53.654.6%2.9×20 +0.7%
3University of California San Diego United States 53.033.2%5.8×24 +11.7%
4Harvard University United States 51.025.3%4.9×30 +1.0%
5University of Southern California United States 48.620.3%6.5×23 +55.1%
6Albert Einstein College of Medicine United States 47.416.4%14.1×13 +45.0%
7University of California, Irvine United States 47.06.2%9.4×27 0.0%
8University of Alabama at Birmingham United States 46.322.8%7.4×17 +36.7%
9Rockefeller University United States 45.86.4%66.2×20 +28.3%
10Baylor College of Medicine United States 44.319.7%7.8×15 +44.7%

Universities only. Score blends excellence (30%), specialisation (25%), size (20%), growth (15%) and international reach (10%), 2015–2022; growth compares 2010–14 with 2015–19.

Is Aging research growing?

Output in 2018–2022 was 22% higher than in 2013–2017, peaking in 2025. The fastest-growing topics are Genetics, Aging, and Longevity in Model Organisms.

19801990200020102020
grewheldshrank

The same series as a ribbon — one cell per year, darker for more. The line above answers how much; this answers when.

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.

What does Aging include?