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. As labour market participation rates are generally high already, and unemployment is low (see Chapter 1), policies will have to focus on further building up the skills of the labour force. To ensure that future generations of workers are equipped with the knowledge and skills they require to succeed, all young people - including those from less privileged backgrounds - must receive the support they need to complete a quality education. In the 2015 Programme for International Student Assessment (PISA), Japanese 15-year-olds outperformed their peers in all other OECD countries in mathematics and science and were sixth-placed in reading (Figure 4.1).