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Nonprofit · Lusaka · Zambia

Population Services International

In research, Population Services International stands highest in Health Sciences (#10,265 of 16,688 worldwide) and Social Sciences (#11,064 of 14,833 worldwide), over all time.

sfh.co.zaROR OpenAlex
World rank, all time
#18,568
of 34,923
Rank in Zambia
#12
of 22
Research works
325
▲ 44% vs 2018-21
Citations
5.5k
17.0 per fractional work
Top-10% rate
8.5%
all institutions 10.0%
vs its own fields
0.97×
1.00× is exactly expected
Open access
30%
world 40%
International
38%
world 18%
Population Services International

What is Population Services International known for in research?

The fields where it stands highest, over all time, ranked among every institution above the floor in each field.

FieldWorld rankWhere that sitsTop-10% rateWorks
Health SciencesDomain #10,265 of 16,688 8.1%144
Social SciencesDomain #11,064 of 14,833 7.2%150

Each strip is that field's whole ranked pool, with the notch where Population Services International 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 fields of science does Population Services International work in?

In 2022-now, 58% of research at Population Services International is in Health Sciences, 26% in Social Sciences. Its largest fields are Medicine (46%), Health Professions (12%), Social Sciences (11%). It does 2.1× the world's share of Health Sciences.

Health Sciences: 20 fractional works · 58.4% of its workMedicine: 15 fractional works · 45.6% of its workPublic Health, Environmental and Occupational Health: 4 fractional works · 12.1% of its workPediatrics, Perinatology and Child Health: 3 fractional works · 8.0% of its workInfectious Diseases: 2 fractional works · 5.2% of its workEpidemiology: 1 fractional works · 4.0% of its workPulmonary and Respiratory Medicine: 1 fractional works · 2.6% of its workCardiology and Cardiovascular Medicine: 1 fractional works · 1.6% of its workGeriatrics and Gerontology: 0 fractional works · 1.5% of its workSurgery: 0 fractional works · 1.3% of its workObstetrics and Gynecology: 0 fractional works · 1.1% of its workUrology: 0 fractional works · 1.0% of its workOncology: 0 fractional works · 0.9% of its workRadiology, Nuclear Medicine and Imaging: 0 fractional works · 0.8% of its workEndocrinology, Diabetes and Metabolism: 0 fractional works · 0.7% of its workPhysiology: 0 fractional works · 0.6% of its workBiochemistry: 0 fractional works · 0.5% of its workPharmacology: 0 fractional works · 0.4% of its workNeurology: 0 fractional works · 0.4% of its workHealth Informatics: 0 fractional works · 0.3% of its workHepatology: 0 fractional works · 0.3% of its workOrthopedics and Sports Medicine: 0 fractional works · 0.3% of its workGenetics: 0 fractional works · 0.3% of its workImmunology and Allergy: 0 fractional works · 0.3% of its workComplementary and alternative medicine: 0 fractional works · 0.2% of its workNephrology: 0 fractional works · 0.2% of its workSmaller subfields together: 0 fractional works · 0.9% of its workHealth Professions: 4 fractional works · 11.8% of its workGeneral Health Professions: 3 fractional works · 9.3% of its workEmergency Medical Services: 0 fractional works · 1.0% of its workHealth Information Management: 0 fractional works · 0.7% of its workPharmacy: 0 fractional works · 0.5% of its workSmaller subfields together: 0 fractional works · 0.3% of its workNursing: 0 fractional works · 1.0% of its workNutrition and Dietetics: 0 fractional works · 0.7% of its workResearch and Theory: 0 fractional works · 0.3% of its workSocial Sciences: 9 fractional works · 25.7% of its workSocial Sciences: 4 fractional works · 10.9% of its workSociology and Political Science: 2 fractional works · 5.8% of its workHealth: 1 fractional works · 1.6% of its workDemography: 0 fractional works · 1.0% of its workLaw: 0 fractional works · 1.0% of its workSafety Research: 0 fractional works · 0.8% of its workEducation: 0 fractional works · 0.5% of its workGender Studies: 0 fractional works · 0.2% of its workEconomics, Econometrics and Finance: 2 fractional works · 7.1% of its workEconomics and Econometrics: 2 fractional works · 5.9% of its workFinance: 0 fractional works · 1.2% of its workPsychology: 2 fractional works · 6.5% of its workClinical Psychology: 1 fractional works · 3.2% of its workSocial Psychology: 1 fractional works · 2.5% of its workApplied Psychology: 0 fractional works · 0.5% of its workExperimental and Cognitive Psychology: 0 fractional works · 0.3% of its workDecision Sciences: 0 fractional works · 0.9% of its workManagement Science and Operations Research: 0 fractional works · 0.3% of its workStatistics, Probability and Uncertainty: 0 fractional works · 0.3% of its workSmaller subfields together: 0 fractional works · 0.2% of its workBusiness, Management and Accounting: 0 fractional works · 0.3% of its workOrganizational Behavior and Human Resource Management: 0 fractional works · 0.3% of its workLife Sciences: 3 fractional works · 9.6% of its workAgricultural and Biological Sciences: 1 fractional works · 4.0% of its workPlant Science: 0 fractional works · 1.1% of its workSoil Science: 0 fractional works · 1.1% of its workEcology, Evolution, Behavior and Systematics: 0 fractional works · 0.7% of its workGeneral Agricultural and Biological Sciences: 0 fractional works · 0.5% of its workAgronomy and Crop Science: 0 fractional works · 0.3% of its workInsect Science: 0 fractional works · 0.2% of its workImmunology and Microbiology: 1 fractional works · 3.5% of its workParasitology: 1 fractional works · 1.7% of its workImmunology: 0 fractional works · 0.7% of its workVirology: 0 fractional works · 0.7% of its workSmaller subfields together: 0 fractional works · 0.4% of its workBiochemistry, Genetics and Molecular Biology: 0 fractional works · 1.0% of its workMolecular Biology: 0 fractional works · 0.6% of its workCell Biology: 0 fractional works · 0.2% of its workSmaller subfields together: 0 fractional works · 0.2% of its workNeuroscience: 0 fractional works · 0.9% of its workCellular and Molecular Neuroscience: 0 fractional works · 0.3% of its workSensory Systems: 0 fractional works · 0.3% of its workSmaller subfields together: 0 fractional works · 0.2% of its workPharmacology, Toxicology and Pharmaceutics: 0 fractional works · 0.2% of its workPhysical Sciences: 2 fractional works · 6.3% of its workComputer Science: 1 fractional works · 3.4% of its workInformation Systems: 1 fractional works · 2.3% of its workArtificial Intelligence: 0 fractional works · 0.5% of its workComputer Networks and Communications: 0 fractional works · 0.3% of its workHuman-Computer Interaction: 0 fractional works · 0.2% of its workEngineering: 1 fractional works · 2.3% of its workElectrical and Electronic Engineering: 0 fractional works · 1.5% of its workOcean Engineering: 0 fractional works · 0.3% of its workSmaller subfields together: 0 fractional works · 0.4% of its workMathematics: 0 fractional works · 0.3% of its workMaterials Science: 0 fractional works · 0.2% of its workSurfaces, Coatings and Films: 0 fractional works · 0.2% of its workEnvironmental Science: 0 fractional works · 0.1% of its workALL ITS WORKPopulationServices…33fractional works, 2022-now
Life Sciences10%Physical Sciences6%Health Sciences58%Social Sciences26%

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 18 fields, with their numbers
    1. Medicine1545.6%
    2. Health Professions411.8%
    3. Nursing01.0%
    1. Social Sciences410.9%
    2. Economics, Econometrics and Finance27.1%
    3. Psychology26.5%
    4. Decision Sciences00.9%
    5. Business, Management and Accounting00.3%
    1. Agricultural and Biological Sciences14.0%
    2. Immunology and Microbiology13.5%
    3. Biochemistry, Genetics and Molecular Biology01.0%
    4. Neuroscience00.9%
    5. Pharmacology, Toxicology and Pharmaceutics00.2%
    1. Computer Science13.4%
    2. Engineering12.3%
    3. Mathematics00.3%
    4. Materials Science00.2%
    5. Environmental Science00.1%
All of science, and how each field's share has moved since 1950: the Science domain explorer

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: 0.85× its world share, 1 worksAgricultural and Bio…Biochemistry, Genetics and Molecular Biology: 0.19× its world share, 0 worksBiochemistry, Geneti…Immunology and Microbiology: 3.51× its world share, 1 worksImmunology and Micro…Neuroscience: 0.53× its world share, 0 worksNeurosciencePharmacology, Toxicology and Pharmaceutics: 0.47× its world share, 0 worksPharmacology, Toxico…Computer Science: 0.43× its world share, 1 worksComputer ScienceEngineering: 0.15× its world share, 1 worksEngineeringEnvironmental Science: 0.03× its world share, 0 worksEnvironmental ScienceMaterials Science: 0.07× its world share, 0 worksMaterials ScienceMathematics: 0.22× its world share, 0 worksMathematicsHealth Professions: 4.48× its world share, 4 worksHealth ProfessionsMedicine: 2.37× its world share, 15 worksMedicineNursing: 2.14× its world share, 0 worksNursingBusiness, Management and Accounting: 0.10× its world share, 0 worksBusiness, Management…Decision Sciences: 0.89× its world share, 0 worksDecision SciencesEconomics, Econometrics and Finance: 3.29× its world share, 2 worksEconomics, Econometr…Psychology: 2.15× its world share, 2 worksPsychologySocial Sciences: 0.86× its world share, 4 worksSocial Sciences1×world share
more than its size predictsabout as predictedless

Rings at 0.5×, 1× and 2×. Widest outward: Health Professions, 4.5×. Every wedge is a field page.

All 18 fields, with their numbers
  1. Health Professions4.48×4 works
  2. Immunology and Microbiology3.51×1 works
  3. Economics, Econometrics and Finance3.29×2 works
  4. Medicine2.37×15 works
  5. Psychology2.15×2 works
  6. Nursing2.14×0 works
  7. Decision Sciences0.89×0 works
  8. Social Sciences0.86×4 works
  9. Agricultural and Biological Sciences0.85×1 works
  10. Neuroscience0.53×0 works
  11. Pharmacology, Toxicology and Pharmaceutics0.47×0 works
  12. Computer Science0.43×1 works
  13. Mathematics0.22×0 works
  14. Biochemistry, Genetics and Molecular Biology0.19×0 works
  15. Engineering0.15×1 works
  16. Business, Management and Accounting0.10×0 works
  17. Materials Science0.07×0 works
  18. Environmental Science0.03×0 works

Who are the top researchers at Population Services International?

Ranked on the quality score, Cyprien ZINSOU, André Tylee and May Me Thet lead among researchers whose main affiliation is Population Services International.

  1. 1 Cyprien ZINSOU Zambia · #1,965,247 worldwide 442 citations · 35 works
  2. 2 André Tylee Zambia · #2,121,353 worldwide 2k citations · 49 works
  3. 3 May Me Thet Zambia · #3,237,971 worldwide 215 citations · 20 works
  4. 4 Sochea Phok Zambia · #4,318,833 worldwide 186 citations · 21 works
  5. 5 Kemi Tesfazghi Zambia · #4,821,661 worldwide 137 citations · 23 works
  6. 6 Thomas Jamieson-Craig Zambia · #4,829,302 worldwide 75 citations · 24 works
All ranked researchers at Population Services International

What are the most cited papers from Population Services International?

The most cited paper from Population Services International is "National Service Framework for Mental Health" (Graham Thornicroft, 2000), with 642 citations. Next come "Barriers to modern contraceptive methods uptake among young women in Kenya: a qualitative study" (432) and "Reported reasons for not using a mosquito net when one is available: a review of the published literature" (318).

Most cited papers
#PaperReleasedCitations
1 National Service Framework for Mental Health Graham Thornicroft · Psychiatric Bulletin Open access Jun 2000 642
2 Barriers to modern contraceptive methods uptake among young women in Kenya: a qualitative study Rhoune Ochako, Mwende Mbondo, Stephen ALOO et al. · BMC Public Health Open access 9 Feb 2015 432
3 Reported reasons for not using a mosquito net when one is available: a review of the published literature Justin Pulford, Manuel W. Hetzel, Miranda F. Bryant et al. · Malaria Journal Open access 11 Apr 2011 318
4 Female Genital Surgeries: The Known, the Unknown, and the Unknowable Carla Makhlouf Obermeyer · Medical Anthropology Quarterly Mar 1999 215
5 Factors associated with the utilisation of postnatal care services among the mothers of Nepal: analysis of Nepal Demographic and Health Survey 2011 Vishnu Khanal, Mandira Adhikari, Rajendra Karkee et al. · BMC Women s Health Open access 31 Jan 2014 213
All 62 most cited papers, with filters and sorting

Which keywords describe research at Population Services International?

By fractional works in 2022-now, weighted toward what it does more of than the world: Community Health Workers, Maternal Mortality, Child Mortality, Health Systems, Epidemiology, Global Burden, Vaccine Development and Social Determinants of Health.

▲ 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 19 words are chosen for being large and distinctive. Each links to the topic it comes from most.

All 19 words, with their numbers
  1. Epidemiology4▲ 3.0×22 topics
  2. Community Health Workers3▲ 100×2 topics
  3. Maternal Mortality3▲ 39×3 topics
  4. Child Mortality3▲ 109×1 topic
  5. Health Systems3▲ 109×1 topic
  6. Global Burden2▲ 12×8 topics
  7. Mental Health2▲ 3.9×9 topics
  8. Vaccine Development2▲ 22×2 topics
  9. Public Health2▲ 3.5×12 topics
  10. Human Rights2▲ 4.3×7 topics
  11. Risk Factors2▲ 4.1×8 topics
  12. Social Determinants of Health1▲ 20×5 topics
  13. Genome Sequence1▲ 45×2 topics
  14. Artemisinin Resistance1▲ 112×1 topic
  15. Mortality Rates1▲ 36×2 topics
  16. Plasmodium falciparum1▲ 112×1 topic
  17. Antiretroviral Therapy1▲ 20×3 topics
  18. Health Disparities1▲ 13×4 topics
  19. Immune Response1▲ 5.9×7 topics

Which research topics does Population Services International publish most on?

By volume in 2022-now: Global Maternal and Child Health, Malaria Research and Control, HIV/AIDS Research and Interventions and Reproductive Health and Contraception.

Global Maternal and Chil…3Global Maternal and Child Health: 3 fractional worksMalaria Research and Con…1Malaria Research and Control: 1 fractional worksHIV/AIDS Research and In…1HIV/AIDS Research and Interventions: 1 fractional worksReproductive Health and Contraception: 1 fractional worksAdolescent Sexual and Reproductive Health: 1 fractional worksMosquito-borne diseases …1Mosquito-borne diseases and control: 1 fractional worksMobile Health and mHealth Applications: 1 fractional worksParasites and Host Interactions: 1 fractional worksFrailty in Older Adults: 0 fractional worksEconomic Growth and Development: 0 fractional works
Pediatrics, Perinatology and Child HealthPublic Health, Environmental and Occupational HealthInfectious DiseasesGeneral Health Professions3 others

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

  1. 1 Global Maternal and Child Health Pediatrics, Perinatology and Child Health 3 works
  2. 2 Malaria Research and Control Public Health, Environmental and Occupational Health 1 works
  3. 3 HIV/AIDS Research and Interventions Infectious Diseases 1 works
  4. 4 Reproductive Health and Contraception Public Health, Environmental and Occupational Health 1 works
  5. 5 Adolescent Sexual and Reproductive Health General Health Professions 1 works
  6. 6 Mosquito-borne diseases and control Public Health, Environmental and Occupational Health 1 works
  7. 7 Mobile Health and mHealth Applications General Health Professions 1 works
  8. 8 Parasites and Host Interactions Parasitology 1 works
  9. 9 Frailty in Older Adults Geriatrics and Gerontology 0 works
  10. 10 Economic Growth and Development Information Systems 0 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 available30.1%not open69.9%

World: 40% of research is openly available.

with international co-authors37.8%domestic only62.2%

World: 18% is written across borders.

How has Population Services International's research output changed?

Output in 2022-2025 was 44% higher 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 Population Services International as a percentage of every work published that year, 0.00013% in 2024.

still counting0.00050%0.0010%0.0015%Population Services International0.00013% in 202519801990200020102020

Fractional works of Population Services International over all fractional works that year. How the balance of science has shifted.

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Population Services International on Science Explorer

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