1 Harvard University US 2 University of Cambridge UK 3 Yale University US 4 University College London UK 5 Imperial College London UK 5 University of Oxford UK 7 University of Chicago US 8 Princeton University US 9 Massachusetts Institute of Technology US 10 California Institute of Technology US 11 Columbia University US 12 University of Pennsylvania US 13 Johns Hopkins University US 14 Duke University US 15 Cornell University US 16 Stanford University US 17 Australian National University Australia 18 McGill University Canada 19 University of Michigan US 20 ETH Zurich (Swiss Federal Institute of Technology) Switzerland 20 University of Edinburgh UK 22 University of Tokyo Japan 23 King s College London UK 24 University of Hong Kong Hong Kong 25 Kyoto University Japan 26 University of Manchester UK 27 Carnegie Mellon University US 28 Ecole Normale Supérieure, Paris France 29 University of Toronto Canada 30 National University of Singapore Singapore 31 Brown University US 32 University of California, Los Angeles US 32 Northwestern University US 34 University of Bristol UK 35 Hong Kong University of Science and Technology Hong Kong

36 University of Melbourne Australia 36 University of Sydney Australia 36 Ecole Polytechnique France 39 University of California, Berkeley US 40 University of British Columbia Canada 41 University of Queensland Australia 42 Ecole Polytechnique Fédérale de Lausanne Switzerland 43 Trinity College Dublin Ireland 43 Osaka University Japan 45 Monash University Australia 46 Chinese University of Hong Kong Hong Kong 47 University of New South Wales Australia 47 Seoul National University South Korea 49 Tsinghua University China 49 University of Amsterdam Netherlands 51 University of Copenhagen Denmark 52 Peking University China 52 New York University US 54 Boston University US 55 Technical University of Munich Germany 55 Tokyo Institute of Technology Japan 57 Heidelberg University Germany 58 University of Warwick UK 59 University of Alberta Canada 60 Leiden University Netherlands 61 University of Auckland New Zealand 61 University of Wisconsin-Madison US 63 Aarhus University Denmark 63 University of Illinois at Urbana-Champaign US 65 Katholieke Universiteit Leuven Belgium 66 University of Birmingham UK 67 Lund University Sweden 67 London School of Economics UK 69 Korea Advanced Institute of Science and Technology South Korea 70 Utrecht University Netherlands

70 University of York UK 72 University of Geneva Switzerland 73 Nanyang Technological University Singapore 73 Washington University in St Louis US 75 Uppsala University Sweden 76 University of California, San Diego US 76 University of Texas at Austin US 78 University of North Carolina, Chapel Hill US 79 University of Glasgow UK 80 University of Washington US 81 University of Adelaide Australia 82 University of Sheffield UK 83 Delft University of Technology Netherlands 84 University of Western Australia Australia 85 Dartmouth College US 86 Georgia Institute of Technology US 87 University of St Andrews UK 87 Purdue University US 89 University College Dublin Ireland 90 Emory University US 91 University of Nottingham UK 92 Nagoya University Japan 92 University of Zurich Switzerland 94 Free University of Berlin Germany 95 National Taiwan University Taiwan 95 University of Southampton UK 97 Tohoku University Japan 98 Ludwig-Maximilians University, Munich Germany 99 University of Leeds UK 100 Rice University US 101 University of Oslo Norway 102 Hebrew University of Jerusalem Israel 103 Fudan University China 103 Durham University UK 105 University of Minnesota US

106 University of California, Santa Barbara US 107 Université de Montréal Canada 108 University of Helsinki Finland 108 Erasmus University Rotterdam Netherlands 108 University of Basel Switzerland 108 University of California, Davis US 112 University of Southern California US 113 University of Waterloo Canada 114 Tel Aviv University Israel 114 University of Pittsburgh US 116 Maastricht University Netherlands 117 Université Pierre-et-Marie-Curie Paris VI France 118 Queen s University Canada 119 Case Western Reserve University US 120 Eindhoven University of Technology Netherlands 120 Pennsylvania State University US 122 Freiburg University Germany 122 University of Maryland, College Park US 124 City University of Hong Kong Hong Kong 125 University of Otago New Zealand 126 Université Catholique de Louvain Belgium 126 Ecole Normale Supérieure de Lyon France 128 University of Virginia US 129 University of Aberdeen UK 129 Georgetown University US 129 Ohio State University US 132 University of Vienna Austria 132 Technion Israel Institute of Technology Israel 134 Pohang University of Science and Technology South Korea 135 Cardiff University UK 136 University of Ghent Belgium 137 University of Liverpool UK 138 University of Groningen Netherlands 138 Chulalongkorn University Thailand 140 Vanderbilt University US

141 University of Rochester US 142 Keio University Japan 143 McMaster University Canada 144 University of Bergen Norway 144 University of Bath UK 146 Humboldt University of Berlin Germany 146 University of Cape Town South Africa 148 Waseda University Japan 149 University of Calgary Canada 149 Eberhard Karls University of Tübingen Germany