In 2017, NTU's Engineering and Technology was ranked 4th in the world and 1st in Asia by the QS World University Rankings by Broad Subject Area - Engineering and Technology 2017. NTU also has a research citation that is among the top four in the world, with its research output being ranked among the top three universities globally in Engineering by Essential Science Indicators of Thomson Reuters. In the 2017 QS World University Rankings by Broad Subject Area, NTU is ranked 22nd in the world for Social Sciences and Management for three consecutive years. Social Sciences and Management includes the Wee Kim Wee School of Communication and Information, National Institute of Education, Nanyang Business School and School of Social Sciences. In the field of Natural Sciences, NTU's College of Science is ranked 17th in the world, a drop of 2 places from the previous year, while Arts & Humanities (consisting of the School of Humanities and School of Art, Design and Media) is ranked 51st globally, a drop of 6 places from the previous year.