Plain language definition
              Not applicable
          Detailed definition
              Refers to the age at last birthday before the reference date, that is, before May 10, 2011.
          Values (English)
          Total - Age group of child
          Under 15 years
          0 to 4 years
          5 to 9 years
          10 to 14 years
          15 to 19 years
          15 to 17 years
          18 years
          19 years
          20 to 24 years
          25 years and over
          25 to 29 years
          30 years and over