The world's Top 10 universities

QS released its annual World University Rankings list of the top 200 universities Wednesday. The UK's University of Cambridge overtook former No. 1 Harvard University, the first time the leading US university was not in the No. 1 spot. Click right arrow to see school's ranked in ascending order.

Boston

11.Princeton University – Princeton, N.J.

In 2010, Princeton ranked No. 10 on the QS list. In 2009, it was No. 8.

Rankings by category:

Academic peer review (a survey of academics' opinions of the institution's reputation): 9 (8 in 2009)

Employer review: 45 (42 in 2009)

Citations per faculty: 4 (8 in 2009)

Student-faculty ratio: 83 (80 in 2009)

International faculty: 38 (71 in 2009)

International students: 94 (103 in 2009)

California Institute of Technology – Pasadena, Calif.

Caltech jumped one spot in 2010, from No. 10 in 2009 to No. 9 this year.

Rankings by category:

Academic peer review: 26 (33 in 2009)

Employer review: 96 (142 in 2009)

Citations per faculty: 1 (1 in 2009)

Student-faculty ratio: 49 (66 in 2009)

International faculty: 22 (1 in 2009)

International students: 78 (69 in 2009)

University of Chicago – Chicago, Ill.

Previously ranked at No. 7 in 2009, University of Chicago came in at No. 8 this year.

Rankings by category:

Academic peer review: 13 (16 in 2009)

Employer review: 25 (22 in 2009)

Citations per faculty: 34 (47 in 2009)

Student-faculty ratio: 32 (35 in 2009)

International faculty: Did not rank in top 100

International students: 64 (91 in 2009)

Imperial College London – London, UK

Imperial College London dropped two spots – from No. 5 in 2009 to No. 7 in 2010.

Rankings by category:

Academic peer review: 16 (22 in 2009)

Employer review: 8 (5 in 2009)

Citations per faculty: 68 (68 in 2009)

Student-faculty ratio: 17 (17 in 2009)

International faculty: 29 (28 in 2009)

International students: 11 (11 in 2009)

University of Oxford – Oxford, UK

The University of Oxford, the destination for US Rhodes Scholars, dropped from No. 5 to No. 6 this year.

Rankings by category:

Academic peer review: 3 (4 in 2009)

Employer review: 2 (2 in 2009)

Citations per faculty: 52 (66 in 2009)

Student-faculty ratio: 12 (15 in 2009)

International faculty: 40 (41 in 2009)

International students: 38 (32 in 2009)

Massachusetts Institute of Technology – Cambridge, Mass.

MIT made a big jump in the rankings this year – from No. 9 in 2009 to No. 5 in 2010.

Rankings by category:

Academic peer review: 6 (6 in 2009)

Employer review: 4 (10 in 2009)

Citations per faculty: 9 (5 in 2009)

Student-faculty ratio: 21 (59 in 2009)

International faculty: Did not rank in top 100

International students: 24 (44 in 2009)

University College London – London, UK

University College London held its No. 4 position between 2009 and 2010.

Rankings by category:

Academic peer review: 23 (28 in 2009)

Employer review: 34 (12 in 2009)

Citations per faculty: Did not rank in top 100

Student-faculty ratio: 24 (19 in 2009)

International faculty: 45 (40 in 2009)

International students: 18 (18 in 2009)

Yale University – New Haven, Conn.

Yale University also had staying power, coming in at No. 3 in both 2009 and 2010.

Rankings by category:

Academic peer review: 10 (10 in 2009)

Employer review: 10 (17 in 2009)

Citations per faculty: 22 (30 in 2009)

Student-faculty ratio: 7 (4 in 2009)

International faculty: Did not rank in top 100

International students: Did not rank in top 100

Harvard University – Cambridge, Mass.

Harvard, which topped every ranking from 2005 through 2009, dropped to No. 2 this year. QS ascribed this to a big drop in its student-faculty ratio and its hiring of international staff.

Rankings by category:

Academic peer review: 2 (2 in 2009)

Employer review: 1 (3 in 2009)

Citations per faculty: 3 (6 in 2009)

Student-faculty ratio: 40 (28 in 2009)

International faculty: Did not rank in top 100

International students: 70 (116 in 2009)

University of Cambridge – Cambridge, UK

The UK's University of Cambridge, No. 2 in 2009, overtook Harvard this year for the No. 1 spot.

Rankings by category:

Academic peer review: 1 (1 in 2009)

Employer review: 3 (1 in 2009)

Citations per faculty: 36 (42 in 2009)

Student-faculty ratio: 18 (20 in 2009)

International faculty: 38 (30 in 2009)

International students: 39 (40 in 2009)

More on the rankings

View of the University of Science and Technology in Hong Kong. (Newscom)

Asian universities held ground they've gained in recent years, with the top Asian university, University of Hong Kong, ranked at No. 23 and more than 25 Asian schools in top 200 worldwide.

For a further breakdown of the rankings, an explanation of their methodology and a possible explanation for why Harvard dropped, check out the related blog post.