Annual expenditure per student is lower than OECD averages at all education levels, particularly the tertiary level where Poland spends USD 9 7991 per student against the OECD average of USD 15 028. However, expenditure per student at primary, secondary and post-secondary non-tertiary levels has been growing fast, increasing by more than 50% between 2005 and 2012 compared with an OECD average increase of 21%. This change was boosted by an overall fall in the number of students.