Such statistics are, however, difficult to compare due to different national concepts of collecting and processing information (Fuller et al., The information in this sub-section is based on a questionnaire sent by the OECD to member countries during the course of 2014 to identify effective strategies among countries for improving skills governance and turning qualitative and quantitative information on skills needs into relevant action for policy. The questionnaire was developed in co-operation with the European Centre for the Development of Vocational Training (CEDEFOP), the European Training Foundation (ETF) and the International Labour Organisation (ILO). The questionnaire was distributed to governments (Ministry of Labour and Ministry of Education) as well as to social partners (employer organisations and trade union confederations).