Question 1

Which countries lead Epidemiology research?

Accepted Answer

On research quality in 2022-now, the United States, China and Germany rank highest in Epidemiology. By volume, the United States and China publish the most (80k and 51k works in 2022-now).

Question 2

Which institutions lead Epidemiology research?

Accepted Answer

Harvard University (United States) ranks first in Epidemiology on research quality in 2022-now, followed by National Institutes of Health and Johns Hopkins University.

Question 3

Who are the leading researchers in Epidemiology?

Accepted Answer

Counting only their work in Epidemiology, Rohit Seth Loomba, Vincent Wai‐Sun Wong and Arun Jayant Sanyal have the most papers in the world top 10% for their subfield and year beyond the 10% expected.

Question 4

Where is Epidemiology research done?

Accepted Answer

The largest centres of Epidemiology research in 2022-now are Beijing (China), London (United Kingdom), Shanghai (China) and New York (United States). Among places with at least 20 works in it, it is an unusually large share of all research in Wavre, North Liberty and Addlestone.

Question 5

Where is the best place to study Epidemiology?

Accepted Answer

Among universities, judged by research, Harvard University, Johns Hopkins University and Stanford University score highest, combining standing in the field's ranking, excellence, specialisation, size, growth and international reach. Research strength is one signal when choosing where to study; it does not measure teaching.

Question 6

Is Epidemiology research growing?

Accepted Answer

Output in 2022-2025 was 9% higher than in 2018-2021, peaking in 2025. The fastest-growing topics are Liver Disease Diagnosis and Treatment, Ophthalmology and Visual Impairment Studies and Sepsis Diagnosis and Treatment.

Question 7

What are the most cited papers in Epidemiology?

Accepted Answer

The most cited paper in Epidemiology is "Global Cancer Statistics 2020: GLOBOCAN Estimates of Incidence and Mortality Worldwide for 36 Cancers in 185 Countries" (Hyuna Sung, Adalberto M. Filho, Mathieu Laversanne et al., 2021), with 114,522 citations. Next come "The PRISMA 2020 statement: an updated guideline for reporting systematic reviews" (105,915) and "Global cancer statistics" (55,108).