PISA is the OECD's Programme for International Student Assessment. PISA measures 15-year-olds’ ability to use their reading, mathematics and science knowledge and skills to meet real-life challenges. The linked page is the PISA 2022 framework for mathematics, the overview contains PISAs definition of the term 'Mathematical Literacy'.
Linked materials © OECD. PISA materials are available under the Creative Commons Attribution-NonCommercial-ShareAlike 3.0 IGO (CC BY-NC-SA 3.0 IGO) licence. See the PISA website for full terms and conditions.