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Country

Science in Chad

Chad ranks #165 of 192 countries on research quality in 2022–2025 (#183 all time), with 545 research works and 7.4% of them in the world's top 10%.

World rank, 2022–2025
#165
of 192 · #183 all time
Works, 2022–2025
545
▼ 13% vs 2013–17
Top-10% rate
7.4%
record average 16.5%
In the world top 100
0
0 in the top 1,000
Open access
79%
world 63%

Which keywords describe research in Chad?

By fractional works in 2022–2025, weighted toward what it does more of than the world: Smallholder Farmers, Adaptation, Epidemiology, Climate Change, Diversity, Livestock Farming, Agricultural Development and Multifunctionality.

▲ more of its work than of the world’s◆ about the world’s share▼ less than the world’s

Size is fractional works in 2022–2025 in the topics tagged with each word; colour is the word's share of this country's work against its share of the world's. The 40 words are chosen for being large and distinctive. Each links to the topic it comes from most.

All 40 words, with their numbers
  1. Epidemiology49▲ 2.3×76 topics
  2. Climate Change42▲ 2.9×46 topics
  3. Sustainability37▲ 2.8×30 topics
  4. Smallholder Farmers33▲ 27×5 topics
  5. Adaptation28▲ 18×5 topics
  6. Diversity23▲ 24×4 topics
  7. Livestock Farming23▲ 68×2 topics
  8. Agricultural Development23▲ 25×2 topics
  9. Multifunctionality23▲ 82×1 topic
  10. Work Organization23▲ 97×1 topic
  11. Renewable Energy18▲ 2.3×21 topics
  12. Immune Response17▲ 5.6×13 topics
  13. Genetic Diversity16▲ 6.7×14 topics
  14. Public Health16▲ 1.95×33 topics
  15. Treatment15▲ 2.3×24 topics
  16. Diabetes14▲ 5.4×10 topics
  17. Sustainable Agriculture14▲ 8.1×8 topics
  18. Antioxidant14▲ 3.7×20 topics
  19. Global Burden12▲ 4.2×11 topics
  20. Climate Resilience12▲ 36×3 topics
  21. Nutritional Value12▲ 20×2 topics
  22. Health Benefits11▲ 6.3×10 topics
  23. Biodiversity Conservation11▲ 5.6×7 topics
  24. Vaccine11▲ 4.8×9 topics
  25. Maternal Mortality10▲ 8.4×5 topics
  26. Agroforestry10▲ 28×4 topics
  27. Indigenous Fruits10▲ 74×1 topic
  28. Tree Domestication10▲ 74×1 topic
  29. Global Burden of Disease9▲ 6.8×2 topics
  30. Governance9▲ 5.1×5 topics
  31. Drug Resistance9▲ 5.8×7 topics
  32. Maternal and Child Undernutrition9▲ 20×1 topic
  33. Water Sanitation Hygiene9▲ 20×1 topic
  34. Therapeutic8▲ 15×2 topics
  35. Camel Milk8▲ 98×1 topic
  36. Genomic8▲ 35×2 topics
  37. Nutritional8▲ 98×1 topic
  38. Community Health Workers8▲ 16×2 topics
  39. Antiviral Therapy8▲ 14×3 topics
  40. Health Inequalities7▲ 11×2 topics

Which universities in Chad lead research?

University of N'Djamena rank highest in Chad on research quality in 2022–2025.

  1. 1University of N'DjamenaUniversity · N'Djamena · #14,305 worldwide7.2% top 10% · 365 works

The track on each row is its top-10% rate; the tick is the world’s rate in this record, 16.5% — teal above it, red below.

All ranked institutions in Chad

Who are the top researchers in Chad?

Abdelsalam Tidjani, Jean Gruvel and Andossa Likius rank highest among researchers based in Chad.

  1. 1 Abdelsalam Tidjani · #1,145,375 worldwide 12 citations · 23 works
  2. 2 Jean Gruvel · #1,213,081 worldwide 1 citations · 18 works
  3. 3 Andossa Likius · #1,481,729 worldwide 42 citations · 17 works
  4. 4 Ali Mahamat Moussa · #1,534,013 worldwide 4 citations · 30 works
Top researchers in Chad

How open and international is Chad's research?

79% of its research is openly available (world: 40%), and 47% is written with international co-authors (world: 18%).

openly available79.1%not open20.9%

World: 63% of research is openly available.

with international co-authors46.9%domestic only53.1%

World: 22% is written across borders.

How has Chad's research grown?

Output in 2018–2022 was 13% lower than in 2013–2017.

1990200020102020
grewheldshrank

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