Living Conditions Survey (LCS) 
Risk of poverty or social exclusion (Europe 2020 Strategy) 
At-risk-of-poverty or social exclusion rate (Europe 2020 Strategy), by educational level attained (persons aged 16 years old and over). 
Unidades: %
,2012,2011,2010,2009,2008,2007,2006,2005,2004,
        Total,27,4,26,8,26,23,8,23,5,22,5,23,1,23,6,25,4,
        Primary education or lower,34,35,3,34,8,34,4,34,2,31,4,34,5,33,4,37,8,
        First stage secondary education,35,1,32,4,31,3,25,6,26,1,24,6,24,9,24,8,26,6,
        Second stage secondary education,25,7,23,3,22,7,20,1,18,6,19,2,15,9,17,2,20,6,
        Higher education,14,14,12,7,11,3,10,7,10,3,10,11,7,10,9,
        No data recorded,75,7,57,2,36,5,30,7,25,7,33,5,19,2,32,3,28,6,
Notas:
Educational level attained: 
Primary education or lower: This includes illiterate persons

First-stage secondary education: This includes training and equivalent labour insertion

Second-stage secondary education: This includes training and equivalent labour insertion (including that which requires a second-stage secondary education qualification)

Higher education: This includes training and equivalent labour insertion
The population at risk of poverty or social exclusion is that which is in one or more of these situations:

At risk of poverty (60% of the median income per consumption unit).

With severe material deprivation (with deprivation in at least 4 concepts from a list of 9).

In households without employment, or with low work intensity (households in which the members of the household who are of working age worked less than 20% of their total work potential during the reference year). 
Fuente: