Sri Lanka vs Tanzania
On research quality in 2022-now, Tanzania ranks #64 in the world and Sri Lanka #96, of 189 countries. Sri Lanka stands higher in 4 of the 18 fields both publish in, Tanzania in 14.
Research profiles alike: 0.81very similar shapes of research, whatever their size. How it is measured
Compare other countries
Sri Lanka
- World rank, 2022-now
- #96
- #99 all time
- Works, 2022-now
- 21k
- fractional
- Top-10% rate
- 5.9%
- share of its work among the world's most cited
- Open access
- 60%
- of its works free to read
Strongest relative focus: Archeology, Space and Planetary Science, Paleontology.
Tanzania
- World rank, 2022-now
- #64
- #74 all time
- Works, 2022-now
- 17k
- fractional
- Top-10% rate
- 7.7%
- share of its work among the world's most cited
- Open access
- 69%
- of its works free to read
Strongest relative focus: Library and Information Sciences, Applied Microbiology and Biotechnology, Parasitology.
Who leads, measure by measure?
Tanzania leads on 7 of 9 measures: research quality, excellence for its fields, top-10% rate, citations per work, open access, international co-authorship and growth. Sri Lanka leads on 1 of 9 measures: output. The two are level on institutions in the world top 100.
- #96Research qualityworld rank of 189 countries, 2022-now#64
- 0.52×Excellence for its fieldsits top-10% rate against what its topics predict; 1.00× is as expected0.90×
- 21kOutputfractional works, 2022-now17k
- 5.9%Top-10% rateshare of its works among the world's most cited7.7%
- 9.3Citations per workall time, per fractional work14.6
- 0World top 100institutions it holds among the world's best 1000
- 60%Open accessof its works free to read, all time69%
- 22%Internationalof its works written with co-authors abroad, all time30%
- +16%Growthworks in 2022-25 against 2018-21; half a bar is no change+101%
A rank is drawn as its standing: the longer the bar, the nearer the top. Anything else is drawn against the larger of the two, and two values a hair apart are called level. Quality, excellence and the top-10% rate are explained in the methodology.
Who leads in each field?
Sri Lanka stands higher in 4 of 18 fields, Tanzania in 14. Tanzania leads most in Medicine (#49 against #124); Sri Lanka leads most in Engineering (#82 against #84). Each bar is that side's standing among all countries ranked in the field: the full bar is first place.
- #87Agricultural and Biological Sciences#50
- #85Arts and Humanities#65
- #84Biochemistry, Genetics and Molecular Biology#63
- #90Business, Management and Accounting#59
- #59Chemistry-
- #90Computer Science#78
- #67Decision Sciences#51
- #60Earth and Planetary Sciences-
- #97Economics, Econometrics and Finance#62
- #82Engineering#84
- #82Environmental Science#66
- #90Health Professions#50
- -Immunology and Microbiology#41
- #80Materials Science-
- #124Medicine#49
- -Nursing#44
- #78Psychology#67
- #101Social Sciences#66
Standing is the percentile of world rank within each field, 2022-now; the printed number is the rank itself. A dash means the field is too small there to rank. How sides are compared.
The numbers behind each field
Click a heading to sort. The side that does better in a pair of columns is shaded: a lower rank, a higher rate, more works.
| Field | Sri Lanka rank | Tanzania rank | Sri Lanka top 10% | Tanzania top 10% | Sri Lanka works | Tanzania works |
|---|---|---|---|---|---|---|
| Agricultural and Biological Sciences | #87 | #50 | 7.2% | 9.3% | 1.7k | 1.8k |
| Arts and Humanities | #85 | #65 | 10.2% | 9.3% | 808 | 341 |
| Biochemistry, Genetics and Molecular Biology | #84 | #63 | 6.2% | 7.8% | 787 | 451 |
| Business, Management and Accounting | #90 | #59 | 4.9% | 7.3% | 1.3k | 1.4k |
| Chemistry | #59 | - | 8.2% | - | 224 | - |
| Computer Science | #90 | #78 | 4.8% | 7.5% | 1.8k | 773 |
| Decision Sciences | #67 | #51 | 4.3% | 3.7% | 404 | 353 |
| Earth and Planetary Sciences | #60 | - | 7.7% | - | 463 | - |
| Economics, Econometrics and Finance | #97 | #62 | 5.6% | 6.2% | 678 | 768 |
| Engineering | #82 | #84 | 6.0% | 6.5% | 2.3k | 964 |
| Environmental Science | #82 | #66 | 6.2% | 6.8% | 1.6k | 1.4k |
| Health Professions | #90 | #50 | 5.4% | 10.9% | 624 | 630 |
| Immunology and Microbiology | - | #41 | - | 10.6% | - | 256 |
| Materials Science | #80 | - | 6.7% | - | 428 | - |
| Medicine | #124 | #49 | 4.3% | 8.1% | 3.8k | 3.1k |
| Nursing | - | #44 | - | 8.3% | - | 220 |
| Psychology | #78 | #67 | 4.7% | 6.5% | 714 | 434 |
| Social Sciences | #101 | #66 | 7.2% | 7.4% | 2.4k | 3.4k |
What is each known for?
The keywords that describe each side's research, by fractional works in 2022-now and weighted toward what it does more of than the world.
Sri Lanka
- economic effects
- Food Supply Chain
- Archaeology of Resistance
- Radiocarbon Dating
- Antimicrobial
- Intersectionality
- Recycling
- Environmental Monitoring
- Genetic Diversity
- Convolutional Neural Networks
- Antioxidant Activity
- Healthcare
- Risk Management
- Antioxidant
- Public Health
- Neural Networks
- Supply Chain Management
- Environmental Impact
- Sustainability
- Epidemiology
- Machine Learning
- Deep Learning
- Climate Change
- Globalization
- COVID-19
- Remote Sensing
- Renewable Energy
- Consumer Behavior
- Pandemic
- Economic Growth
- Social Capital
- Ecosystem Services
- Digital Transformation
- Vaccine Development
- Waste Management
- Social Inequality
- Agricultural Origins
- African Diaspora
- Black Feminist Theory
- business impact
All 40 words, with their numbers
- Machine Learning1,193▲ 1.47×96 topics
- Epidemiology1,177▲ 1.21×138 topics
- Deep Learning1,168▲ 1.39×85 topics
- Sustainability1,018▲ 1.71×114 topics
- Climate Change964▲ 1.45×116 topics
- Environmental Impact722▲ 1.74×68 topics
- Globalization519◆ 1.08×127 topics
- Supply Chain Management468▲ 2.1×24 topics
- COVID-19467▲ 1.48×29 topics
- Neural Networks460▲ 1.22×40 topics
- Remote Sensing423▲ 1.42×36 topics
- Public Health409◆ 1.15×60 topics
- Renewable Energy399◆ 1.13×55 topics
- Antioxidant389▲ 2.3×51 topics
- Consumer Behavior368▲ 2.4×18 topics
- Risk Management365▲ 3.1×20 topics
- Pandemic361▲ 1.49×13 topics
- Healthcare336▲ 1.21×36 topics
- Economic Growth310▲ 1.56×35 topics
- Antioxidant Activity293▲ 1.93×31 topics
- Social Capital292▲ 2.3×20 topics
- Convolutional Neural Networks282▲ 1.59×14 topics
- Ecosystem Services274▲ 2.9×14 topics
- Genetic Diversity269▲ 2.5×22 topics
- Digital Transformation249▲ 1.89×23 topics
- Environmental Monitoring224▲ 2.4×15 topics
- Vaccine Development223▲ 3.6×11 topics
- Recycling221▲ 2.4×10 topics
- Waste Management217▲ 2.2×11 topics
- Intersectionality203▲ 4.4×13 topics
- Social Inequality201▲ 3.1×13 topics
- Antimicrobial200▲ 2.9×13 topics
- Agricultural Origins190▲ 24×1 topic
- Radiocarbon Dating190▲ 24×1 topic
- African Diaspora177▲ 19×4 topics
- Archaeology of Resistance174▲ 79×1 topic
- Black Feminist Theory174▲ 79×1 topic
- Food Supply Chain159▲ 5.8×2 topics
- business impact135▲ 6.2×1 topic
- economic effects135▲ 6.2×1 topic
Tanzania
- Microfinance
- Poverty Alleviation
- Conditional Cash Transfers
- Empowerment
- Livelihood Diversification
- Antiretroviral Therapy
- Child Mortality
- Technology Adoption
- Health Inequalities
- Technology Integration
- Social Networks
- Community Health Workers
- Gender Equality
- Rural Development
- Sustainable Agriculture
- Supply Chain Management
- Social Capital
- Sustainable Development
- Globalization
- Climate Change
- Epidemiology
- Sustainability
- Environmental Impact
- Education
- Poverty Reduction
- Economic Development
- Smallholder Farmers
- Risk Management
- Maternal Mortality
- Food Security
- Gender Inequality
- Development
- Socio-economic Factors
- Adaptation
- Health Systems
- Agricultural Innovation
- Market Participation
- Primary Education
- School Subsidies
- Financial Inclusion
All 40 words, with their numbers
- Epidemiology1,175▲ 1.47×137 topics
- Climate Change1,053▲ 1.93×111 topics
- Sustainability1,002▲ 2.0×102 topics
- Globalization626▲ 1.58×121 topics
- Environmental Impact569▲ 1.66×66 topics
- Sustainable Development542▲ 1.72×94 topics
- Education539▲ 1.56×102 topics
- Social Capital536▲ 5.1×20 topics
- Poverty Reduction482▲ 18×6 topics
- Supply Chain Management418▲ 2.3×25 topics
- Economic Development413▲ 2.6×37 topics
- Sustainable Agriculture403▲ 6.5×16 topics
- Smallholder Farmers396▲ 9.3×6 topics
- Rural Development392▲ 5.7×18 topics
- Risk Management370▲ 3.9×16 topics
- Gender Equality364▲ 6.4×16 topics
- Maternal Mortality351▲ 7.8×5 topics
- Community Health Workers335▲ 19×2 topics
- Food Security334▲ 3.1×23 topics
- Social Networks325▲ 6.0×10 topics
- Gender Inequality310▲ 11×7 topics
- Technology Integration307▲ 4.8×11 topics
- Development289▲ 4.0×21 topics
- Health Inequalities284▲ 12×5 topics
- Socio-economic Factors278▲ 12×3 topics
- Technology Adoption276▲ 7.4×6 topics
- Adaptation273▲ 4.5×14 topics
- Child Mortality272▲ 19×1 topic
- Health Systems272▲ 19×1 topic
- Antiretroviral Therapy235▲ 7.2×6 topics
- Agricultural Innovation233▲ 25×2 topics
- Livelihood Diversification229▲ 36×1 topic
- Market Participation229▲ 36×1 topic
- Empowerment222▲ 11×6 topics
- Primary Education218▲ 27×2 topics
- Conditional Cash Transfers218▲ 31×1 topic
- School Subsidies218▲ 31×1 topic
- Poverty Alleviation215▲ 11×3 topics
- Financial Inclusion209▲ 20×1 topic
- Microfinance209▲ 20×1 topic
Size is fractional works in the topics tagged with each word; colour is the word's share of the side's work against its share of the world's. Each word links to the topic it comes from most.
How has their output grown?
Sri Lanka has out-published Tanzania every year since 2008, when it overtook it.
Fractional works per year.
Their share of all research
Growing output can still be a shrinking share, because all of science grows. Each line is a side as a percentage of every work published that year.
Fractional works over all fractional works that year. How the balance of science has shifted.
How much of it reaches the world top 10%
The share of each side's works, year by year, that reached the world's 10% most cited for their field and year. The average of all institutions is 10.0% (why not 10%).
A year with under 1% of the side's peak output is left out: a rate over a handful of papers says nothing. The latest years are still being cited.
Who holds more of the world's best institutions?
A country's average quality and the number of institutions it holds at the very top can disagree, and both are worth knowing. The counts are nested: an institution in the top 50 is also in the top 100.
- 0In the world top 500
- 0In the top 1000
- 0In the top 5000
- 0In the top 1,0000
- #51Elite capacityrank among 204 countries#51
Institutions ranked on research quality, 2022-now. Elite capacity counts a country's institutions by their worldwide rank, weighted so a place at #1 counts for more than one at #480.
Which publishes more research, Sri Lanka or Tanzania?
Sri Lanka publishes 1.2× as much research as Tanzania in 2022-now (21k against 17k fractional works).
Whose research has more impact, Sri Lanka or Tanzania?
7.7% of Tanzania's research reaches the world's top 10% most cited, against 5.9% for Sri Lanka.
Is Sri Lanka or Tanzania growing faster?
Output in 2022-25 was +101% against 2018-21 for Tanzania, and +16% for Sri Lanka.
Which has more open access research, Sri Lanka or Tanzania?
69% of Tanzania's research is free to read, against 60% of Sri Lanka's.
Which has more world-class institutions, Sri Lanka or Tanzania?
Sri Lanka holds 0 of the world's top 100 research institutions and Tanzania 0; in the top 1,000 it is 0 against 0.
Which institutions lead in each country?
The highest-ranked institutions on each side on research quality, 2022-now. The percentage is each institution's own top-10% rate: the share of its works that are among the world's 10% most cited for their field and year. Every figure stands alone, so they do not add up to 100%.
Sri Lanka
- 1University of Moratuwa5.1% top 10% · 2.2k works
- 2University of Sri Jayewardenepura5.5% top 10% · 1.9k works
- 3Department of Archaeology13.1% top 10% · 1.1k works
- 4University of Jaffna9.1% top 10% · 746 works
- 5University of Peradeniya5.7% top 10% · 1.9k works
- 6General Sir John Kotelawala Defence University3.9% top 10% · 569 works
Tanzania
- 1University of Dar es Salaam7.5% top 10% · 2.6k works
- 2The University of Dodoma12.5% top 10% · 1.8k works
- 3Muhimbili University of Health and Allied Sciences8.3% top 10% · 928 works
- 4Mzumbe University8.5% top 10% · 684 works
- 5Nelson Mandela African Institution of Science and Technology11.1% top 10% · 566 works
- 6Mbeya University of Science and Technology7.2% top 10% · 439 works
The number is the rank inside the country. The track on each row is the top-10% rate; the tick is the average of all institutions, 10.0% (how it is set): teal above it, red below. The ranking is the quality score, which compares the rate with what each institution's own topics predict and adds a small reward for size, so the rates do not fall in order.
Who are the top researchers on each side?
The most cited researchers on each side, among those ranked.
Sri Lanka
- 1 Samath Dhamminda Dharmaratne #11,594 worldwide 239k citations · 254 works
- 2 Meththika Suharshini Vithanage #12,535 worldwide 34k citations · 518 works
- 3 Nuwan Darshana Wickramasinghe #21,611 worldwide 40k citations · 179 works
- 4 Anushka Upamali Rajapaksha #43,312 worldwide 13k citations · 136 works
- 5 Devarajan Rathish #81,508 worldwide 12k citations · 102 works
Tanzania
- 1 Andrew R. Williamson #1,536 worldwide 85k citations · 325 works
- 2 Audax Z. P. Mabulla #25,355 worldwide 9.3k citations · 201 works
- 3 Susan F. Rumisha #33,455 worldwide 37k citations · 167 works
- 4 Gerry F. Killeen #34,603 worldwide 16k citations · 207 works
- 5 Fredros O. Okumu #46,417 worldwide 6.3k citations · 186 works