The use of such data by the OECD is without prejudice to the status of the Golan Heights, East Jerusalem and Israeli settlements in the West Bank under the terms of international law. This remarkable achievement materialised through supply augmentation and infrastructure development financed by the central budget. To cope with future challenges driven by rapid ageing of the population, a changing climate, and fiscal consolidation, the Korean model would benefit from a transition towards a system that places more attention on water demand management, enhances water use efficiency and allocates existing water resources where they create the most value for the Korean society. Korea’s Gross Domestic Product (GDP) increased 31 000 times between 1953 and 2014 (from KRW 47.7 billion to KRW 1 485 trillion in 2014), at an annual growth of 7.3% over the period.