Since its foundation, the University has made a unique contribution to the creation of modern Ireland, based on successful engagement with Irish society on every level and across every sphere of activity. The international standing of UCD has grown in recent years; it is currently ranked within the top 1% of higher education institutions world-wide. UCD is also Ireland's most globally engaged university with over 38,000 students drawn from 152 countries, including over 5,000 students based at locations outside of Ireland. The University's main Dublin campus occupies an extensive parkland estate of 133 hectares and offers world-leading facilities including the UCD O'Brien Centre for Science, UCD Sutherland School of Law, UCD Lochlan Quinn School of Business, UCD Moore Centre for Business, and the UCD Student Centre.