National Numeracy Day It's National Numeracy Day! Our report for National Numeracy showed the cost of low adult numeracy could be £20.2 billion, equivalent to 1.3% of the UK's GDP. Experienced economist from the National Audit Office and Department for Education, as well as a social researcher, worked on this excellent report which can be read here. To learn more about National Numeracy Day, please click here. 16th May 2018 Manage Cookie Preferences