Research Output
3.1
350 points · evidence-based group
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Sana'a, Yemen
This statistical profile shows only the explicitly published RHR snapshot. It never replaces missing evidence with zero or an implied score.
#939
World rank
#1
Country rank
#1
Region rank
Not available
Subject rank
64.4
RHR score
Pillars
Research Output
3.1
350 points · evidence-based group
Research Impact
8.2
650 points · evidence-based group
Observed values
teaching reputation
Not available score
verified_institution_submission
student staff ratio
Not available ratio
verified_institution_submission
doctorate bachelor ratio
Not available ratio
verified_institution_submission
doctorates per academic staff
Not available ratio
verified_institution_submission
institutional resources
Not available score
verified_institution_submission
doctoral research environment
Not available Not available
not_available
research reputation
Not available score
verified_institution_submission
research income
Not available declared currency unit
verified_institution_submission
research productivity
3 publications per researcher
researchhub_verified_graph
research staff capacity
Not available staff
verified_institution_submission
doctoral research strength
Not available score
verified_institution_submission
research infrastructure
Not available score
verified_institution_submission
Citations per verified publication
0.0833 citations per publication
researchhub_verified_graph
research strength
Not available median H-index
researchhub_verified_graph
research excellence
Not available median recent H-index
researchhub_verified_graph
Field-normalized citation impact
Not available Not available
not_available
Top 10% publication share
Not available Not available
not_available
Top 1% publication share
Not available Not available
not_available
highly cited research
Not available Not available
not_available
retracted publication adjustment
Not available Not available
not_available
career citations
2 citations
researchhub_verified_graph
Citations to works published in the recent window
2 citations
researchhub_verified_graph
career h index
Not available median H-index
researchhub_verified_graph
recent h index
Not available median recent H-index
researchhub_verified_graph
career i10
Not available median i10-index
researchhub_verified_graph
recent i10
Not available median recent i10-index
researchhub_verified_graph
cumulative influence
0.0833 citations per publication
researchhub_verified_graph
citation momentum
1 recent-to-career citation ratio
researchhub_verified_graph
recent influential work
0.0833 recent citations per publication
researchhub_verified_graph
international coauthorship
0 rate
researchhub_verified_graph
international collaboration
0 rate
researchhub_verified_graph
Represented co-author countries
1 countries
researchhub_verified_graph
collaborator diversity
1 countries
researchhub_verified_graph
international students
Not available Not available
not_available
international staff
Not available Not available
not_available
cross border projects
Not available Not available
not_available
industry research income
Not available declared currency unit
verified_institution_submission
Verified patent data
Not available patents
verified_institution_submission
technology transfer
Not available transfers
verified_institution_submission
industry coauthorship
Not available works
verified_institution_submission
industry linked projects
Not available projects
verified_institution_submission
commercial research
Not available projects
verified_institution_submission
median h index
Not available median H-index
researchhub_verified_graph
median recent h index
Not available median recent H-index
researchhub_verified_graph
median i10
Not available median i10-index
researchhub_verified_graph
recent researcher citation momentum
Not available recent-to-career citation ratio
researchhub_verified_graph
Researcher impact distribution
Not available median H-index distribution proxy
researchhub_verified_graph
top 1 researchers
Not available Not available
not_available
top 2 researchers
Not available Not available
not_available
top 5 researchers
Not available Not available
not_available
top 10 researchers
Not available Not available
not_available
top 25 researchers
Not available Not available
not_available
top 50 researchers
Not available Not available
not_available
open access percentage
0.9583 rate
researchhub_verified_graph
open data
Not available Not available
not_available
repository availability
Not available Not available
not_available
ORCID coverage among linked researchers
0.25 rate
researchhub_verified_graph
DOI completeness
1 rate
researchhub_verified_graph
License transparency
0.7083 rate
researchhub_verified_graph
open source outputs
Not available Not available
not_available
publication growth
Not available Not available
not_available
citation growth
Not available Not available
not_available
researcher growth
Not available Not available
not_available
international collaboration growth
Not available Not available
not_available
open access growth
Not available Not available
not_available
Institution two-year mean citedness
2.4716 mean citedness
openalex
Institution citation count
191,745 citations
openalex
Institution H-index
159 h-index
openalex
Institution i10-index
3,801 i10-index
openalex
Recent institution citation count
30,241 citations in latest five OpenAlex calendar years
openalex
Recent institution publication volume
5,906 works in latest five OpenAlex calendar years
openalex
Institution publication volume
10,956 works
openalex
Arrows compare the previous release under the same methodology and metric source. A blue dash means there is no comparable earlier value.
Live research graph
These public graph totals are live evidence separate from the immutable snapshot above.