World University Rankings 2019 by subject: physical sciences table information

November 7, 2018

Key statistics
The data shown under key statistics is that provided by the university itself in its submission to the Times Higher Education World University Rankings. It represents data from the 2016 academic year, and may vary from subsequent or earlier years.

This is the number of full-time equivalent students at the university.

Student-to-staff ratio
This is the ratio of full-time equivalent students to the number of academic staff – those involved in teaching or research.

International students
The percentage of students originating from outside the country of the university.

Female-to-male ratio
The ratio of female to male students at the university.

Editor’s note: November 2018

In a portion of data provided to THE by Elsevier for the 2019 World University Rankings, four institutions in Hong Kong were tagged with an incorrect country code.​

This impacted their international collaboration data metric, which sits within the international outlook pillar, and accounts for 2.5 per cent of a university’s overall score.  

The indicator measures the proportion of an institution’s research journal publications with at least one international co-author. 

Where incorrect country tags were applied, publications from those affected institutions were misclassified as being “International” or, in other cases, “National”.

The institutions were informed and their country codes swiftly corrected.  

The amendment altered the position of six of the 963 institutions ranked in the Physical Sciences Subject Ranking.

These were: Chinese University of Hong Kong (which moved from joint 56 to 49, following the amend); University of Science and Technology of China (moved from joint 52 to 51); Hong Kong University of Science and Technology (from 66 to 58); Nanjing University (from 73 to 72); Hong Kong Polytechnic University (from 176-200 to 151-175); Renmin University of China (from 501-600 to 401-500).

As per THE's rankings correction policy, where an amendment is made, the relevant institution is retrospectively listed in its correct position. We do not rerun the complete ranking and we only amend when a change is positive. All other universities maintain their original rank.

THE verified with the external data provider that no further countries were affected. 

In Autumn 2018, after publication of the 2019 World University Rankings, East China Normal University (ECNU) informed us that they had submitted, and signed off, incorrect research income data into THE’s data portal. This matter was reviewed under our corrections policy, and we agreed, at our discretion, to re-calculate ECNU’s score based on a corrected data submission. The re-calculation based on corrected data means that ECNU is now positioned within the 501-600 band, up from the 601-800 band in the World University Rankings. The university also moves to the 101-125 in the education subject ranking, and 401-500 in the physical sciences ranking.

THE is committed to transparency and accountability across all of its rankings.

Our corrections policy is available to view here.

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