Living Conditions Survey (LCS) Material insufficiency Persons aged 16 years old and over, by difficulty making ends meet and educational level attained. Units: Horizontal percentages With a great deal of difficulty With difficulty With certain difficulty With certain ease With ease With a great deal of ease No data recorded Total 13.7 17.0 28.7 25.2 14.3 1.1 0.0 Primary education or lower 18.4 20.5 30.9 20.5 9.1 0.5 0.0 First stage secondary education 17.8 20.7 30.4 20.9 9.7 0.6 .. Second stage secondary education 11.6 16.8 28.8 26.5 15.1 1.3 .. Higher education 5.8 9.6 24.4 33.8 24.3 2.1 .. No data recorded 18.5 7.7 33.2 26.9 13.8 0.0 .. Notes: 1) Primary education or lower: Includes illiterate persons First stage secondary education: Includes equivalent vocational training and insertion Second stage secondary education: Includes equivalent vocational training and insertion (including that requiring a second stage secondary education degree) Higher education: Includes equivalent vocational training and insertion Source: National Statistics Institute