occupational safety and health’ 460 contribute to the richness of data. The WHO and its Regional Office 
for Europe provide global, regional (large groups of countries) and national data in its ‘Global Health 
Observatory’.461 Both the UN organisations are first of all committed to a global approach, but they also 
publish specific country profiles or specific data for countries or regions.  
Despite these many data collections , there are still important data and research deficits that leave 
room for less unambiguous and more speculative interpretations of the stat e of OSH.462 The reporting 
of working conditions in official statistics (administrative data, registry-based data) and voluntary surveys 
cannot cover all aspects of OSH at workplaces. The accuracy of statistics and surveys fades as more 
informal and irregular working conditions are prevalent. Work at the edges of legality is surely not a good 
base for the willingness to respond realistically in interviews or to provide reliable statistical data. Other 
issues add to this, for example, low participation of migrants in voluntary surveys is reported by many 
survey providers.463  
These types of less formalised work  have gained more and more importance in social reality and 
research. There are some prominent examples of EU -wide overviews. The ‘European Platform for