OECD Report Examines ROI for Education Investment

Education at a Glance 2015 from OECD offers information not only on changes in education systems around the world but also indicators on the returns on investments. The research shows that while less than 60% of adults without upper secondary education are employed, approximately one in five younger adults (25-34 years old) have not even finished secondary education. Overall, 43% of 25-64-year olds have achieved an upper secondary education.

Additional findings

  • In all countries that participate in the PISA exam, the gender gap is narrower in digital reading than print reading.
  • On average pre-primary and primary teachers in OECD countries earn 78% of the salary of a similarly educated, full-time worker, lower secondary teachers receive 80%, and upper secondary teachers are paid 82%.
  • Most countries spend 5.3% of the GDP on education (primary to tertiary) with 11 countries spending more than 6%.
  • In 2013 36% of secondary teachers were at least 50 years old.

Read Education at a Glance 2015 from the OECD (November 2015).


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