A university’s final score in the overall table is calculated by combining its score in SDGÌý17 with its top three scores out of the remaining 16ÌýSDGs. SDGÌý17 accounts for 22Ìýper cent of the overall score, while the other SDGs each carry a weight of 26Ìýper cent. This means that different universities are scored based on a different set of SDGs, depending on their focus.

The score from each SDG is scaled so that the highest score in each SDG in the overall calculation isÌý100 and the lowest score is 0. This is to adjust for minor differences in the scoring range in each SDG and to ensure that universities are treated equitably, whichever SDGs they have provided data for. It is these scaled scores that we use to determine which SDGs a university has performed most strongly in; they may not be the SDGs in which the university is ranked highest or has scored highest based on unscaled scores.

The individual SDG tables display an institution’s score for that SDG as well asÌýits score in the overall Impact Rankings, if applicable.

View the full methodology for the overall Impact Rankings

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Editor's note: March 2022

Following the invasion of Ukraine in February 2022, we have taken steps to give Russian universities less prominence in the rankings, and have removed links to their university profiles. Our full statement on Ukraine can be foundÌýhere.

Correction as of 26 April 2021

Due to anÌýerror affectingÌýthe overall ranking table, it now includes twoÌýnew additions in the 1,001+ band,Ìýboth in Japan:ÌýKansai Medical University ²¹²Ô»åÌýTamaÌý±«²Ô¾±±¹±ð°ù²õ¾±³Ù²â.

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As perÌýTHE'sÌýrankings correction policy, where an amendment is made, the relevant institution is retrospectively listed in its correct position.ÌýWe do not rerun the complete ranking.ÌýAll other universitiesÌýmaintain their original rank.

Editor’s note: June 2021

After the publication of the Impact Rankings 2021, it came to our attention that data supplied by four universities was incorrect or incomplete. In line with our corrections policy, and at our discretion, the affected universities’ scores were recalculated. The updated ranks are listed in the table below.Ìý

Data submitted by nine universities have also been re-evaluated as part of our ongoing evaluation processes. Their scores have been recalculated as required. The affected institutions are listed in the table below.

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As perÌýTHE’s rankings correction policy, the amendments made only affect the universities in question. We do not rerun the complete ranking. All other universities maintain their original rank.Ìý

THEÌýis committed to transparency and accountability across all of its rankings.

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Our corrections policy is available to viewÌýhere.