¡°There is no world department of education,¡± says Lydia Snover, director of institutional research at the Massachusetts Institute of Technology. But Times Higher Education, she believes, is helping to fill that gap: ¡°They are doing a real service to universities by developing definitions and data that can be used for comparison and understanding.¡±

This is the true purpose and the enduring legacy of the?É«ºÐÖ±²¥ World University Rankings.

Of course the rankings bring great insights into the strengths and shifting fortunes of individual research-led universities. We assess universities¡¯ performance with the most comprehensive and balanced ranking in the world, using 13 performance indicators covering all their key missions (teaching, research, knowledge transfer and international outlook).

The results, a vital resource to students and their families as well as to academics and university administrators and governments across the world, help to attract almost 30 million people to our website each year, and as they make headlines around the world they touch hundreds of millions more individuals.

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But amid the annual media circus around the news of who is up and who is down, and beneath the often tedious, torturous ad infinitum hand wringing about the methodological limitations and the challenges of any attempt to reduce complex universities to a series of numbers, the single most important aspect of É«ºÐÖ±²¥¡¯s global rankings is often lost: the fact that we are building the world¡¯s largest, richest database of the world¡¯s very best universities.

Let me be clear: there is no such thing as a perfect university ranking. There is no ¡°correct¡± outcome as there is no single model of excellence in higher education, and every ranking is based on the available, comparable data, and is built on the subjective judgement (over indicators and weightings) of its compilers. É«ºÐÖ±²¥ developed its current methodology based on more than a decade of experience in rankings, after more than a year of open consultation and with the detailed expert input of more than 50 leading figures across the world, and we will continue to refine and improve the ranking.

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But while some in the sector continue to get excited about the latest supposed revelations about the limitations of global rankings, Times Higher Education is quietly getting on with a hugely ambitious project to build an extraordinary and truly unique global resource.

É«ºÐÖ±²¥ is now in the third year of an annual process to collect comprehensive data, under bespoke, clear and globally harmonised definitions, on an ever-widening range of universities across the world ¨C in direct partnership with the institutions themselves.

Last year, working individually with each institution, our data team gathered comprehensive institutional data from 1,313 research-led institutions ¨C gathering many tens of thousands of individual data points covering university staff and student numbers and profiles (including gender and national/international status) and financial data (including total income, research income and industry income), all broken down as much as possible into eight broad subject areas.

The data were combined with about 250,000 data points from more than 20,000 responses to two rounds of our annual Academic Reputation Survey, and an analysis (by Elsevier) of 56 million citations to 11.9 million research publications, including more than half a million books and book chapters, to develop the 2016-17 É«ºÐÖ±²¥ World University Rankings, and derivatives including the?É«ºÐÖ±²¥ Young University Rankings, the Asia University Rankings and the Emerging Economies University Rankings.

Data collection for the 2019 World University Rankings portfolio is currently under way ¨C as is the 2018 Academic Reputation Survey ¨C and we are confident of expanding the range and depth of our data yet further.

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But the database does not just fuel the É«ºÐÖ±²¥¡¯s range of published rankings. It is now the basis of a range of online analytical tools ¨C DataPoints ¨C?which more than 130 universities around the world (including MIT) are now using to help them benchmark their performance against a group of peers, against a wide range of performance metrics, including those used to create the global rankings.

Institutions and academics could continue the endless, backward-looking debate about the rankers¡¯ choice of metrics and metric weightings ¨C or they could move forward and choose their own. They can tailor the underlying rankings data to suit their own needs and missions, and to inform their own strategic priorities.

Since their foundation in 2004, the É«ºÐÖ±²¥ World University Rankings have evolved far, far beyond the simple, controversial and monolithic ranked lists of universities. Online, universities can be ranked separately against five pillars of activities, and they are profiled against a range of additional contextual data. And in our DataPoints tools ¨C where the focus is on profiling and benchmarking not ranking ¨Cdeeper, richer comparisons are available.

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É«ºÐÖ±²¥ has moved well beyond the inherent limitations of rankings to offer, as MIT¡¯s Lydia Snover says, new, data-led insights to deepen our collective understanding of the dynamic world of global higher education and research.?