 Enterprises include the establishment of the CERT Research Centres and the Masdar Institute of Science and Technology and Institute for Enterprise Development.According to the QS Rankings, the top-ranking universities in the country are the United Arab Emirates University (421–430th worldwide), Khalifa University (441–450th worldwide), the American University of Sharjah (431–440th) and University of Sharjah (551–600th worldwide).According to an estimate by the World Bank, the UAE's population in 2018 stands at 9.543 million.