This dataset provides 2001 Census estimates that classify households in Wales by age and highest level of qualification by knowledge of Welsh. The estimates are as at census day, 29 April 2001.

The highest level of qualification variable uses both the educational and vocational qualifications question, and the professional qualifications question.

   No qualifications: No academic, vocational or professional qualifications.	
   Level 1: 1+ 'O' levels/CSE/GCSE (any grade), NVQ level 1, Foundation GNVQ.	
   Level 2: 5+ 'O' levels, 5+ CSEs (grade 1), 5+ GCSEs (grade A - C), School Certificate, 1+ 'A' levels/'AS' levels, NVQ level 2, Intermediate GNVQ or equivalents.	
   Level 3: 2+ 'A' levels, 4+ 'AS' levels, Higher School Certificate, NVQ level 3, Advanced GNVQ or equivalents.	
   Level 4/5: First degree, Higher Degree, NVQ levels 4 - 5, HNC, HND, Qualified Teacher Status, Qualified Medical Doctor, Qualified Dentist, Qualified Nurse, Midwife, Health Visitor or equivalents.
   Other qualifications/level unknown: Other qualifications (e.g. City and Guilds, RSA/OCR, BTEC/Edexcel), Other Professional Qualifications.

'Understands spoken Welsh only' means the person understands spoken Welsh but has no other skills in the language.

All dependent children aged 3 years and over in Households
This dataset provides 2001 Census estimates that classify dependent children aged 3 years and over in Households in Wales by children speaking Welsh in Welsh speaking households. The estimates are as at census day, 29 April 2001.

A dependent child is a person in a household aged 0 to 15 (whether or not in a family) or a person aged 16 to 18 who is a full-time student in a family with parent(s). An adult in a household is defined as a person who is not a dependent child.

This dataset provides 2001 Census estimates that classify households in Wales by Welsh speaking adults in households by age of youngest dependent child. The estimates are as at census day, 29 April 2001.

A dependent child is a person in a household aged 0 to 15 (whether or not in a family) or a person aged 16 to 18 who is a full-time student in a family with parent(s). An adult in a household is defined as a person who is not a dependent child.