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View our work on COVID-19 vaccinationsAverage learning outcomes vs GDP per capita, 2015
The vertical axis shows average scores across standardized, psychometrically-robust international and regional student achievement tests. To maximize coverage by
country, tests have been harmonized and pooled across subjects (math, reading, science) and levels (primary and secondary education). The horizontal axis shows
GDP per capita after adjusting for price differences between countries and across time.
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- X: LinearX: Log
1970
2015