In Sweden, gender analysis revealed that youth centres were used 70% by boys and 30% by girls. This led to re-modelling activities and use of buildings (Boman, 2013). Although there is general agreement that gender mainstreaming efforts are most successful w'hen they form part of an integrated approach to gender equality, this is frequently not the case. Many countries responding to the OECD survey acknowledged lack of co-ordination as one of the key challenges in gender mainstreaming (see Figure 4.1).