this study building on regional studies by unhabitat and the oecd on the state of nup for the oecd member countries provides a first attempt at assessing nup trends strengths and ways forward across member and nonmember countries and paves the way for the definition of a common methodology to monitor the progress of nups at the global level in terms of nup development stages countries per cent already implement their nups whereas countries per cent are in the process of developing nups only countries per cent have reached the monitoring and evaluation stage the stage of nup varies by region