Science Explorer Back to mapMap
Discussion
Topic · Finance

Healthcare Systems and Reforms

Healthcare Systems and Reforms is a research topic within Finance. Science Explorer counts 28k research works in it since 1950. 10.1% of them reached the world's top 10% most cited for their field and year.

This cluster of papers explores the financing of health care systems, with a focus on addressing catastrophic health expenditure, achieving universal coverage, and promoting equity in access to health services. It delves into the challenges and opportunities in low- and middle-income countries, the impact of health insurance schemes, and the implications of out-of-pocket payments. The cluster also discusses health system reforms, social health insurance, and strategies to improve access to care.

  • Health Financing
  • Universal Coverage
  • Catastrophic Health Expenditure
  • Health Insurance
  • Equity in Health Care
  • Low- and Middle-Income Countries
  • Health System Reform
  • Out-of-Pocket Payments
  • Access to Health Services
  • Social Health Insurance
Research works
28k
fractional, since 1950
In the world top 10%
2.8k
per year above
Top-10% rate
10.1%
share of its works in the world top 10%
Growth, 2018-21 → 2022-25
+16%
the tick is no change
Largest producer
China
25% of the 10 largest, 2022-now
Healthcare Systems and Reforms

Which countries lead Healthcare Systems and Reforms research?

By volume, China and India publish the most (1.2k and 1.1k works in 2022-now).

By volume, 2022-now

  1. 1 China 1.2k works
  2. 2 India 1.1k works
  3. 3 United States 876 works
  4. 4 Indonesia 354 works
  5. 5 United Kingdom 329 works
  6. 6 Iran 308 works
  7. 7 Pakistan 233 works
  8. 8 Nigeria 221 works
  9. 9 Brazil 206 works
  10. 10 Türkiye 166 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.

China: 24.6%India: 21.4%United States: 17.5%Indonesia: 7.1%6 others listed: 29.3%25%largest
China1,229 · 24.6%India1,070 · 21.4%United States876 · 17.5%Indonesia354 · 7.1%6 others listed1,463 · 29.3%

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

Which institutions lead Healthcare Systems and Reforms research?

By volume in 2022-now, World Health Organization publishes the most Healthcare Systems and Reforms research, followed by Peking University and All India Institute of Medical Sciences.

By volume, 2022-now

  1. 1 World Health OrganizationSwitzerland 64 works
  2. 2 Peking UniversityChina 59 works
  3. 3 All India Institute of Medical SciencesIndia 41 works
  4. 4 Tehran University of Medical SciencesIran 38 works
  5. 5 Huazhong University of Science and TechnologyChina 37 works
  6. 6 Sichuan UniversityChina 35 works
  7. 7 Islamic Azad University, TehranIran 34 works
  8. 8 London School of Hygiene & Tropical MedicineUnited Kingdom 34 works
  9. 9 Harvard UniversityUnited States 32 works
  10. 10 Johns Hopkins UniversityUnited States 31 works

Who are the leading researchers in Healthcare Systems and Reforms?

The most-cited researchers publishing on Healthcare Systems and Reforms include Ahmedin Jemal, Christopher J L Murray and Freddie Bray.

  1. 1 Ahmedin Jemal United States 761k citations
  2. 2 Christopher J L Murray United States 583k citations
  3. 3 Freddie Bray France 550k citations
  4. 4 Simon Iain Hay United States 452k citations
  5. 5 Theo Vos United States 439k citations
  6. 6 George Davey Smith United Kingdom 435k citations
  7. 7 Ali H. Mokdad United States 429k citations
  8. 8 Zulfiqar Ahmed Bhutta Pakistan 371k citations
  9. 9 Ronald C. Kessler United States 360k citations
  10. 10 Jost Bruno Jonas Germany 350k 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 Healthcare Systems and Reforms?

The most cited paper in Healthcare Systems and Reforms is "Cancer statistics in China, 2015" (Wanqing Chen, Rongshou Zheng, Peter D. Baade et al., 2016), with 18,026 citations. Next come "Dissecting racial bias in an algorithm used to manage the health of populations" (7,007) and "High-quality health systems in the Sustainable Development Goals era: time for a revolution" (4,136).

Most cited papers
#PaperReleasedCitations
1 Cancer statistics in China, 2015 Wanqing Chen, Rongshou Zheng, Peter D. Baade et al. · CA A Cancer Journal for Clinicians Open access 25 Jan 2016 18,026
2 Dissecting racial bias in an algorithm used to manage the health of populations Ziad Obermeyer, Brian W. Powers, Christine Vogeli et al. · Science Open access 24 Oct 2019 7,007
3 High-quality health systems in the Sustainable Development Goals era: time for a revolution Margaret E. Kruk et al. · The Lancet Global Health Open access 5 Sep 2018 4,136
4 Mortality, morbidity, and risk factors in China and its provinces, 1990–2017: a systematic analysis for the Global Burden of Disease Study 2017 Maigeng Zhou et al. · The Lancet Open access 25 Jun 2019 3,826
5 Patient-centred access to health care: conceptualising access at the interface of health systems and populations Jean‐Frédéric Lévesque, Mark Harris, Grant M. Russell · International Journal for Equity in Health Open access 2013 3,630
All 99 most cited papers, with filters and sorting

Where is Healthcare Systems and Reforms research done?

The largest centres of Healthcare Systems and Reforms research in 2022-now are Beijing (China), New Delhi (India), London (United Kingdom) and Tehran (Iran). Among places with at least 20 works in it, it is an unusually large share of all research in Gonder.

Largest cities, 2022-now

  1. 1 BeijingChina 254 works
  2. 2 New DelhiIndia 157 works
  3. 3 LondonUnited Kingdom 137 works
  4. 4 TehranIran 134 works
  5. 5 DhakaBangladesh 100 works
  6. 6 WuhanChina 97 works
  7. 7 ShanghaiChina 85 works
  8. 8 NairobiKenya 66 works
  9. 9 MumbaiIndia 65 works
  10. 10 SeoulSouth Korea 65 works

Where it is the local speciality

  1. GonderET · 22.8 works19×
← less than its size predicts1×more →

Location quotient: how much more of its research is in Healthcare Systems and Reforms than the world average.

See Healthcare Systems and Reforms on the map

Where is the best place to study Healthcare Systems and Reforms?

Among universities, judged by research, London School of Hygiene & Tropical Medicine, Peking University and University of Gondar 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%10%20%30%mean 20.67%fractional works in this field (log) →share of work in the world top 10% →University of GondarLondon School of Hyg…International Instit…Peking 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.

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
1London School of Hygiene & Tropical MedicineUnited Kingdom 77.219.0%29.5×34 -13.1%
2Peking UniversityChina 72.516.7%4.0×59 +21.5%
3University of GondarEthiopia 72.226.3%21.7×23 +35.2%
4International Institute for Population SciencesIndia 68.017.5%125.0×30 +19.7%
5Wollo UniversityEthiopia 66.127.5%24.2×10 +245.4%
6Sichuan UniversityChina 65.719.5%2.1×35 +33.0%
7Harvard Global Health InstituteUnited States 65.019.3%63.9×13 -13.7%
8The University of QueenslandAustralia 60.721.2%1.9×13 +89.6%
9Harvard UniversityUnited States 59.816.1%1.4×32 -21.2%
10Xi'an Jiaotong UniversityChina 59.723.6%1.7×21 +31.5%

Universities only. The score blends 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 Healthcare Systems and Reforms, country by country

Is Healthcare Systems and Reforms research growing?

Output in 2022-2025 was 16% higher than in 2018-2021, peaking in 2025. The fastest-growing topics are Healthcare Systems and Reforms.

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 Healthcare Systems and Reforms as a percentage of every work published that year, 0.036% in 2024.

still counting0.020%0.040%Healthcare Systems and Reforms0.035% in 202519801990200020102020

Fractional works of Healthcare Systems and Reforms 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%Healthcare Systems and Reforms10.2% 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.

Discussion

Ask a question or share a note about Healthcare Systems and Reforms. Posts are plain text and can be reported.