| Value | Category |
|---|---|
| 00 | None or pre-school |
| 01 | 1 year |
| 02 | 2 years |
| 03 | 3 years |
| 04 | 4 years |
| 05 | 5 years |
| 06 | 6 years |
| 07 | 7 years |
| 08 | 8 years |
| 09 | 9 years |
| 10 | 10 years |
| 11 | 11 years |
| 12 | 12 years |
| 13 | 13 years |
| 14 | 14 years |
| 15 | 15 years |
| 16 | 16 years |
| 17 | 17 years |
| 18 | 18 years or more |
| 90 | Not specified |
| 91 | Some primary |
| 92 | Some technical after primary |
| 93 | Some secondary |
| 94 | Some tertiary |
| 95 | Adult literacy |
| 96 | Special education |
| 98 | Unknown/missing |
| 99 | NIU (not in universe) |
| var_concept.title | Vocabulary |
|---|---|
| Education Variables -- PERSON | IPUMS |