| Value | Category | 
|---|---|
| 00 | No children | 
| 01 | 1 child | 
| 02 | 2 children | 
| 03 | 3 | 
| 04 | 4 | 
| 05 | 5 | 
| 06 | 6 | 
| 07 | 7 | 
| 08 | 8 | 
| 09 | 9 | 
| 10 | 10 | 
| 11 | 11 | 
| 12 | 12 | 
| 13 | 13 | 
| 14 | 14 | 
| 15 | 15 | 
| 16 | 16 | 
| 17 | 17 | 
| 18 | 18 | 
| 19 | 19 | 
| 20 | 20+ | 
| 98 | Unknown | 
| 99 | NIU (not in universe) | 
| var_concept.title | Vocabulary | 
|---|---|
| Fertility and Mortality Variables -- PERSON | IPUMS |