According to the Times Good University Guide 2010, Oxford is ranked top for Mathematics, followed by Cambridge (2nd) and Warwick (3rd).

Warwick is internationally renowned for the research quality of its Mathematics department. In the Research Assessment Exercise (RAE) 2001, the Department received a top 5* rating in applied mathematics and 5 in pure mathematics. In the RAE 2008, Warwick Pure Mathematics was placed second highest in the UK, while Applied Mathematics rated equal first (with Oxford and Cambridge) for the proportion of its research that received the top “world-leading” rating, and came 7th overall in the UK.

The Department of Mathematics at University of Leicester is placed in the Top 5 nationally (Times 2010). They were rated as "Excellent" in the latest governmental Quality Assessment Audit (QAA) for teaching. In RAE 2001 the Department received ranking 5 in both pure and applied mathematics. They were rated 5th, 8th and 12th in the three University League tables for 2009 (Good University Guide, Guardian League Table and Complete University Guide, respectively).

Ranking of UK Top Mathematics Programs:
League Table 2010 (top 10 list):
1 Oxford
2 Cambridge
3 Warwick
4 St Andrews
5 Leicester
6 Keele
= 7 Durham
= 7 Imperial
9 Bath
10 Loughborough

League Table 2008:
1 Cambridge
2 Oxford
3 Bristol
4 Bath
5 Warwick
6 Durham
7 Imperial College
=7 London School of Economics
9 University College London
10 Surrey
11 St Andrews
12 Nottingham
13 York
14 Edinburgh
15 Southampton
16 Leeds
17 Glasgow
18 Exeter
=18 Cardiff
20 Newcastle
=20 King's College London
=20 Leicester
23 Manchester
=23 Sheffield
=23 Lancaster
26 Sussex
27 Heriot-Watt
28 Strathclyde
29 Greenwich
30 Reading
31 Birmingham
32 East Anglia
=32 Loughborough
34 Keele
35 Aberdeen
36 Aston
=36 Hertfordshire
38 Kent
=38 Stirling
40 Queen's Belfast
41 Queen Mary, London
42 Liverpool
43 Swansea
=43 Brunel
45 City
46 Oxford Brookes
47 Aberystwyth
48 Royal Holloway
49 Abertay
50 Goldsmiths College
51 Portsmouth
52 Dundee
=52 Anglia Ruskin
54 Nottingham Trent
55 Essex
56 Chester
57 Westminster
58 West of England
59 De Montfort
60 Coventry
61 Manchester Metropolitan
62 Ulster
63 Wolverhampton
64 Brighton
65 Glasgow Caledonian
66 Plymouth
67 Liverpool John Moores
68 Staffordshire
69 Sheffield Hallam
70 Northumbria
71 Middlesex
72 Glamorgan
73 Kingston
74 Napier

Source: Times Online

World University Ranking Tables

America - US News & World Report, The Princeton Review, BusinessWeek
Canada - Maclean's, Gourman Report Ranking of Canadian Universities
UK - Sunday Times, Guardian, Times Good University Guide, Daily Telegraph
World - Shanghai Jiao Tong ARWU Rankings, Webometrics, Newsweek
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