The field of Adult Literacy and Numeracy (ALN) has an evidence problem. This paper analyses that problem through the lens of three overarching types of evidence available to researchers and policymakers: Type 1 evidence, which provides descriptions of the scope of social problems; Type 2 evidence measuring the impacts of programmes addressing…

Both within and beyond the OECD region, governments and other stakeholders are increasingly interested in the assessments of the skills of their adult populations in order to monitor how well prepared they are for the challenges of the knowledge based society. The current paper provides an overview of the two international assessments of adult…

With the advent of the UN Literacy Decade launched in 2003, there is increased emphasis on monitoring and evaluation of adult literacy around the globe. The present paper presents an overview of the main approaches that have been taken to measure adult literacy within and across countries. A particular focus of the present review is to compare and…