{"entity":{"iso2":"BE","iso3":"BEL","name":"Belgium","slug":"belgium"},"indicator":{"licence":"CC BY 4.0 (Our World in Data)","slug":"academic-performance","source":"OECD (2023) \u2013 with minor processing by Our World in Data","source_url":"https://ourworldindata.org/grapher/academic-performance","title":"Average performance of 15-year-old students in mathematics","unit":"score"},"observations":[{"date":"2003-01-01","value":529.286},{"date":"2006-01-01","value":520.349},{"date":"2009-01-01","value":515.272},{"date":"2012-01-01","value":514.529},{"date":"2015-01-01","value":506.984},{"date":"2018-01-01","value":508.07},{"date":"2022-01-01","value":489.487}],"summary":{"latest_period":"2022-01-01","latest_value":489.487,"max":529.286,"mean":511.997,"min":489.487,"of":57,"rank":12,"trend":"falling"}}