PIAAC: Mean adult numeracy proficiency, 2015

The target population for the survey was the non-institutionalized population, aged 16-65 years, residing in the country at the time of data collection, irrespective ofnationality, citizenship, or language status.

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World

Source: OECD Programme for the International Assessment of Adult Competencies (PIAAC)

Note: Numeracy is defined as the ability to access, use, interpret, and communicate mathematical information and ideas in order to engage in and manage the mathematical demands of a range ofsituations in adult life. To this end, numeracy involves managing a situation or solving a problem in a real context, by responding to mathematical content, information, and ideas represented in multipleways.