| Value | Category |
|---|---|
| 100 | Days: Died on day of birth |
| 101 | 1 day |
| 102 | 2 days |
| 103 | 3 days |
| 104 | 4 days |
| 105 | 5 days |
| 106 | 6 days |
| 107 | 7 days |
| 108 | 8 days |
| 109 | 9 days |
| 110 | 10 days |
| 111 | 11 days |
| 112 | 12 days |
| 113 | 13 days |
| 114 | 14 days |
| 115 | 15 days |
| 116 | 16 days |
| 117 | 17 days |
| 118 | 18 days |
| 119 | 19 days |
| 120 | 20 days |
| 121 | 21 days |
| 122 | 22 days |
| 123 | 23 days |
| 124 | 24 days |
| 125 | 25 days |
| 126 | 26 days |
| 127 | 27 days |
| 128 | 28 days |
| 129 | 29 days |
| 130 | 30 days |
| 131 | 31 days |
| 132 | 32 days |
| 133 | 33 days |
| 134 | 34 days |
| 135 | 35 days |
| 136 | 36 days |
| 137 | 37 days |
| 138 | 38 days |
| 139 | 39 days |
| 140 | 40 days |
| 141 | 41 days |
| 142 | 42 days |
| 143 | 43 days |
| 144 | 44 days |
| 145 | 45 days |
| 198 | Days, unknown |
| 199 | Days old, number missing |
| 200 | Months old: Month of birth |
| 201 | 1 month |
| 202 | 2 months |
| 203 | 3 months |
| 204 | 4 months |
| 205 | 5 months |
| 206 | 6 months |
| 207 | 7 months |
| 208 | 8 months |
| 209 | 9 months |
| 210 | 10 months |
| 211 | 11 months |
| 212 | 12 months |
| 213 | 13 months |
| 214 | 14 months |
| 215 | 15 months |
| 216 | 16 months |
| 217 | 17 months |
| 218 | 18 months |
| 219 | 19 months |
| 220 | 20 months |
| 221 | 21 months |
| 222 | 22 months |
| 223 | 23 months |
| 224 | 24 months |
| 225 | 25 months |
| 226 | 26 months |
| 227 | 27 months |
| 228 | 28 months |
| 229 | 29 months |
| 230 | 30 months |
| 231 | 31 months |
| 232 | 32 months |
| 233 | 33 months |
| 234 | 34 months |
| 235 | 35 months |
| 236 | 36 months |
| 237 | 37 months |
| 238 | 38 months |
| 239 | 39 months |
| 240 | 40 months |
| 241 | 41 months |
| 242 | 42 months |
| 297 | Months, inconsistent |
| 298 | Months, unknown |
| 299 | Months old, number missing |
| 300 | Years |
| 301 | 1 year |
| 302 | 2 years |
| 303 | 3 years |
| 304 | 4 years |
| 305 | 5 years |
| 306 | More than 5 years |
| 397 | Years old, number inconsistent |
| 398 | Years old, number unknown |
| 399 | Years old, number missing |
| 997 | Inconsistent |
| 998 | Missing |
| 999 | NIU (not in universe) |
| Name | Vocabulary |
|---|---|
| Child demography core Variables -- PERSON | IPUMS |