How does your university actually rank?

None of them, on its own, and the question misreads what they are. Each system is reliable at measuring the thing it chose to measure. QS reliably measures perceived prestige through its academic and employer surveys, THE mixes teaching, research and international outlook with a heavy dose of citations, US News Global counts publications above all, and ARWU is research output almost to the exclusion of everything else, which tilts it towards large research universities. A university that scores well across all four has passed several different tests, and that agreement is worth more than any one table's number.

Yes, by any global measure. The four main tables publish between 1,000 and about 2,250 universities each, so a top-100 place sits within the top 10% of the ranked group, and the ranked group is itself a small slice of all universities. Expect a globally recognised name, strong research output, competitive admissions and graduates who can find work in most countries. What the position doesn't promise is good teaching, which none of the four systems scores directly.

As one input among several, and never as the tiebreaker. Look at the table for your subject before the overall table, because a university ranked 200th overall can sit in the top 50 for the course you'd be taking. Check graduate employment data for the actual course instead of reading rank as a proxy for jobs. And visit if you can. A degree somewhere you like will do more for you than one from a higher-ranked place where you're miserable.

Some do, for some roles. Graduate schemes at large banks, consultancies and law firms often keep preferred university lists that track the rankings closely, and in the UK the Russell Group label carries weight with them. Most employers look harder at the subject, the grade, relevant experience and the person in front of them. For engineering and computer science roles a portfolio of real work often beats the name on the certificate. Country matters too, since a QS top-50 position counts for more in Asia than in Germany, where professional qualifications carry the weight.

The Russell Group is an association of 24 research-intensive UK universities, among them Oxford, Cambridge, Imperial, UCL and Edinburgh. Indian institutions have climbed fast, with IIT Bombay 118th and IIT Delhi 150th in the QS 2025 edition, though none made the top 100 and IISc sat just outside the top 200 at 211th. Two parts of the methodology explain the gap. QS weights academic reputation surveys heavily, and brand recognition among academics overseas is still lower for Indian institutions, while large student-to-faculty ratios at publicly funded universities drag down the faculty-student score.

Usually that it fell outside the eligibility rules, which typically demand a minimum number of publications a year, that it didn't submit data that cycle, or that it's too specialised to fit a general world table. It doesn't mean the place is poor. Plenty of excellent conservatoires, art schools, business schools and specialist technical institutes never appear in global rankings because they don't produce research in the volumes those systems count. For a specialist institution, look for the ranking that covers its field.

Very little, for most institutions. Single-digit moves are normal and jumps of 30 or more places are rare. Academic reputation is the slowest-moving part of any score because it's survey-based and opinions shift over years, while citations per faculty is the most volatile, jumping when a few heavily cited papers land or the institution hires a lot of new staff. Top-10 positions barely move in any system. If you're following one institution, a trend over several years tells you something and a single year's move usually doesn't.

Yes, and they're often better suited to the job than the general tables. QS published subject-level rankings across 55 subjects in its 2025 edition that reflect postgraduate research strength, and THE publishes subject rankings too. The Academic Ranking of World Universities (ARWU/Shanghai) is built almost entirely on research output, which is why it's widely used to weigh up PhD programmes. For an MBA the Financial Times Global MBA Ranking is the standard reference, and for law the US News Best Law Schools in the US and The Lawyer in the UK are more relevant than any university-wide table. Match the ranking to the level and type of programme.

Mostly the weights. QS (Quacquarelli Symonds) scores academic reputation at 30%, employer reputation at 15%, citations per faculty at 20%, faculty-to-student ratio at 10% and a set of international diversity measures. THE (Times Higher Education) scores teaching environment at 29.5%, research environment at 29%, research quality and citations at 30%, industry at 4% and international outlook at 7.5%. So QS tells you more about how the business world perceives a degree, and THE more about research quality. Both are dominated by research-intensive universities because research output is the biggest quantitative weight in each, and neither was built to judge undergraduate teaching or student satisfaction, which is what national data sources are for. The same institution can sit 50 or more places apart on the two tables.

Because "university quality" isn't one thing, and each publisher has decided which parts of it count. Research output, teaching, student experience, employer recognition, facilities, graduate outcomes and diversity all belong to it, and every system weights them differently. QS, resting heavily on reputation surveys, ends up measuring prestige, while THE's research emphasis makes it a measure of research intensity, and US News Global, built mostly on publication and citation counts, rewards sheer research volume. A university with strong teaching and graduate outcomes but a modest research record will look far better in a teaching-focused table than in QS or THE. That's a disagreement about what excellence means rather than an error in the arithmetic, and students with different aims should weight the parts differently too.