Nigeria Top 2% scientists 2026: Stanford–Elsevier list, 305 scholars
Live ABS Nexora analytics: Nigeria lists 305 Top 2% scientists in the 2026 single-year cohort (~0.12% of the SY analytics total), led by Clinical Medicine (82) and University of Nigeria (19).
How many Top 2% scientists are from Nigeria?
Direct answer: ABS Nexora’s latest single-year country profile for Nigeria (nga) lists 305 Top 2% scientists for selected year 2026 — about 0.12% of the Directory’s single-year country-analytics cohort (~247,376 researchers). Average citations in this snapshot are about 1,987, with average h-index near 13.1, across 115 distinct institutions.
Nigeria is the largest unused African cohort after South Africa and Egypt. Clinical Medicine leads (82 listed scholars) across a wide 115-institution spread — University of Nigeria and University of Ibadan are the biggest affiliations. The list grew from 71 (2020) to 305 (2026). Average citations in this snapshot are high (~1,987).
Stanford / Elsevier Top 2% scientists list: Nigeria
Direct answer: Queries such as “top 2% scientists Nigeria”, “Stanford top 2% scientists Nigeria”, “most cited scientists Nigeria 2026”, and “Ioannidis top 2 percent” all refer to the same public bibliometric database — the Elsevier / Stanford–Ioannidis World’s Top 2% Scientists lists (August 2026 data-update, version 9). ABS Nexora indexes that list and shows the single-year 2026 Nigeria cohort on the live Nigeria country page.
How to verify a Nigeria scholar certificate
Search the name on Directory search, open the scholar profile, and match name, institution, field, rank, and listing year. A Directory certificate is a convenience overlay — Stanford does not issue a diploma for this list; the source is the Ioannidis / Elsevier standardized citation-indicator database.
Africa: South Africa and Egypt.
Who are the most cited scientists in Nigeria in 2026?
Direct answer: In ABS Nexora’s Nigeria country profile (nga, single-year 2026), the top 10 listed scholars by Directory ranking start with Ozili, Peterson K. (Central Bank of Nigeria; Economics & Business; global rank 789; ~1,720 citations). The table below uses # in country for order within this national list and Global rank for the scholar’s overall rank_all in the single-year listing.
| # in country | Researcher | Institution | Field | Global rank | Citations |
|---|---|---|---|---|---|
| 1 | Ozili, Peterson K. | Central Bank of Nigeria | Economics & Business | 789 | 1,720 |
| 2 | Idumah, Christopher Igwe | Nnamdi Azikiwe University | Chemistry | 1,802 | 1,388 |
| 3 | Egbueri, Johnbosco C. | Chukwuemeka Odumegwu Ojukwu University | Earth & Environmental Sciences | 2,639 | 2,005 |
| 4 | Olusanya, Bolajoko O. | Centre for Healthy Start Initiative | Clinical Medicine | 3,539 | 24,501 |
| 5 | Owolabi, Mayowa O. | University of Ibadan | Clinical Medicine | 3,572 | 44,089 |
| 6 | Olajire, Abass Abiola | Ladoke Akintola University of Technology | Earth & Environmental Sciences | 5,613 | 704 |
| 7 | Edo, Great Iruoghene | Southern Delta University, Ozoro | Agriculture, Fisheries & Forestry | 6,246 | 1,823 |
| 8 | Gureje, Oye | University of Ibadan | Clinical Medicine | 6,337 | 9,786 |
| 9 | Iwuozor, Kingsley O. | Nigeria Sugar Institute | Earth & Environmental Sciences | 7,585 | 2,090 |
| 10 | Abubakar, Ismaila Rimi | Ahmadu Bello University | Earth & Environmental Sciences | 7,701 | 1,411 |
Open any linked name for the full Directory scholar profile. Country order follows the live top_researchers panel on Nigeria analytics.
What are Nigeria’s strongest fields?
Nigeria’s largest Top 2% field cohort is Clinical Medicine with 82 listed scholars. The next fields in the live profile are:
| Field | Listed scholars |
|---|---|
| Clinical Medicine | 82 |
| Enabling & Strategic Technologies | 55 |
| Earth & Environmental Sciences | 27 |
| Agriculture, Fisheries & Forestry | 26 |
| Chemistry | 24 |
Which institutions lead in Nigeria?
The largest institutional cohort in the Nigeria profile is University of Nigeria (19 listed scholars). Other leading affiliations:
| Institution | Listed scholars |
|---|---|
| University of Nigeria | 19 |
| University of Ibadan | 13 |
| Federal University of Technology, Akure | 11 |
| University of Ilorin | 10 |
| Obafemi Awolowo University | 10 |
How has Nigeria’s Top 2% cohort changed from 2020 to 2026?
In the country-profile timeline, Nigeria moved from 71 listed scholars (2020) to 305 (2026) — a change of 234 (~+330%).
| Edition year | Listed scholars |
|---|---|
| 2020 | 71 |
| 2021 | 121 |
| 2022 | 150 |
| 2023 | 186 |
| 2024 | 233 |
| 2025 | 291 |
| 2026 | 305 |
Snapshot metrics (single-year 2026)
| Metric | Value |
|---|---|
| Listed scholars | 305 |
| Share of global (SY analytics) | 0.12% |
| Avg. citations | 1,987 |
| Avg. h-index | 13.1 |
| Best rank (in profile) | 789 |
| Distinct institutions | 115 |
| Leading field | Clinical Medicine (82) |
One highly ranked profile example in this snapshot: Ozili, Peterson K. (Central Bank of Nigeria; Economics & Business). Rankings shift with listing type and year — always verify on the live Directory.
Explore Nigeria on ABS Nexora
- Nigeria country analytics
- Directory search (filter by country / institution)
- Full analytics dashboard
- 2026 edition explained
- How to read country counts
Related country insights
- South Africa Top 2% directory 2026
- Egypt Top 2% directory 2026
- Rising countries 2020–2026
- How to read country counts
FAQ
How many Top 2% scientists does Nigeria have in 2026? 305 listed scholars in ABS Nexora’s single-year country profile for selected year 2026.
What share of the global list is that? About 0.12% of the single-year country-analytics cohort (~247,376 researchers in the matching dashboard snapshot).
Which field is strongest in Nigeria? Clinical Medicine, with 82 listed scholars in the live profile.
Which institution has the most listed scholars? University of Nigeria, with 19 in this snapshot (affiliation coding follows the underlying dataset).
Did Nigeria grow between 2020 and 2026? Yes — from 71 to 305 listed scholars (~+330%) in the country timeline.
Who ranks highest among Nigeria’s Top 2% scientists? In this snapshot, Ozili, Peterson K. leads the country top_researchers list (see the top-10 table above for linked profiles).
Where can I verify these figures? Open the live Nigeria country page or Analytics on ABS Nexora; numbers refresh with the Directory database. Data source: Elsevier / Stanford–Ioannidis World’s Top 2% Scientists lists via ABS Nexora.
Is there a Stanford top 2% scientists list for Nigeria? Yes. The Stanford–Elsevier / Ioannidis database includes Nigeria affiliations. ABS Nexora lists 305 scholars in the 2026 single-year Nigeria profile (nga).
How do I check if a researcher is in the Ioannidis top 2 percent? Search the exact Scopus-style name on ABS Nexora, or filter by institution and country. Inclusion means the composite c-score reached the top 100,000 globally or the top 2% of a Science-Metrix subfield.
How do I verify a Top 2% scientist certificate for someone in Nigeria? Open the linked scholar profile from the Nigeria country page or Directory search. Confirm the 2026 single-year (or career) listing, rank, and affiliation. Treat unmatched PDFs or screenshots as unverified.
What is the difference between single-year and career Top 2% listings? Single-year uses citations received in one recent calendar year (2025 citations in the 2026 edition). Career-long uses citations from 1996–2025. This article uses the single-year 2026 country profile.