- Description
- Codes
- Comparability
- Universe
- Availability
- Questionnaire Text
- Flags
- Source Variables
- Editing Procedure
Description
YNGCH reports the age of the youngest own child (if any) residing with each individual, regardless of the child's age or marital status. The highest legitimate age for YNGCH is 98. YNGCH includes step-children and adopted children as well as biological children. Persons with no own children present are coded 99.
Codes and Frequencies
An 'X' indicates the category is available for that sample
| Code | Label |
2023
acs
|
2022
acs
|
2021
acs
|
2016
acs
|
2011
acs
|
2006
acs
|
2000
1pct
|
1990
1pct
|
1980
1pct
|
1970
met2
|
1970
met1
|
1960
1pct
|
1950
1pct
|
1940
1pct
|
1930
1pct
|
1920
1pct
|
1910
1pct
|
1900
1pct
|
1880
1pct
|
1870
1pct
|
1860
1pct
|
1850
1%+
|
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 00 | Less than 1 year old | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X |
| 01 | 1 | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X |
| 02 | 2 | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X |
| 03 | 3 | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X |
| 04 | 4 | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X |
| 05 | 5 | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X |
| 06 | 6 | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X |
| 07 | 7 | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X |
| 08 | 8 | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X |
| 09 | 9 | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X |
| 10 | 10 | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X |
| 11 | 11 | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X |
| 12 | 12 | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X |
| 13 | 13 | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X |
| 14 | 14 | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X |
| 15 | 15 | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X |
| 16 | 16 | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X |
| 17 | 17 | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X |
| 18 | 18 | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X |
| 19 | 19 | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X |
| 20 | 20 | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X |
| 21 | 21 | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X |
| 22 | 22 | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X |
| 23 | 23 | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X |
| 24 | 24 | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X |
| Code | Label |
2023
acs
|
2022
acs
|
2021
acs
|
2016
acs
|
2011
acs
|
2006
acs
|
2000
1pct
|
1990
1pct
|
1980
1pct
|
1970
met2
|
1970
met1
|
1960
1pct
|
1950
1pct
|
1940
1pct
|
1930
1pct
|
1920
1pct
|
1910
1pct
|
1900
1pct
|
1880
1pct
|
1870
1pct
|
1860
1pct
|
1850
1%+
|
| 25 | 25 | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X |
| 26 | 26 | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X |
| 27 | 27 | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X |
| 28 | 28 | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X |
| 29 | 29 | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X |
| 30 | 30 | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X |
| 31 | 31 | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X |
| 32 | 32 | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X |
| 33 | 33 | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X |
| 34 | 34 | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X |
| 35 | 35 | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X |
| 36 | 36 | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X |
| 37 | 37 | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X |
| 38 | 38 | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X |
| 39 | 39 | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X |
| 40 | 40 | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X |
| 41 | 41 | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X |
| 42 | 42 | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X |
| 43 | 43 | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X |
| 44 | 44 | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X |
| 45 | 45 | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X |
| 46 | 46 | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X |
| 47 | 47 | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X |
| 48 | 48 | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X |
| 49 | 49 | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X |
| Code | Label |
2023
acs
|
2022
acs
|
2021
acs
|
2016
acs
|
2011
acs
|
2006
acs
|
2000
1pct
|
1990
1pct
|
1980
1pct
|
1970
met2
|
1970
met1
|
1960
1pct
|
1950
1pct
|
1940
1pct
|
1930
1pct
|
1920
1pct
|
1910
1pct
|
1900
1pct
|
1880
1pct
|
1870
1pct
|
1860
1pct
|
1850
1%+
|
| 50 | 50 | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X |
| 51 | 51 | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X |
| 52 | 52 | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X |
| 53 | 53 | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X |
| 54 | 54 | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X |
| 55 | 55 | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X |
| 56 | 56 | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X |
| 57 | 57 | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X |
| 58 | 58 | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X |
| 59 | 59 | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X |
| 60 | 60 | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X |
| 61 | 61 | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X |
| 62 | 62 | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X |
| 63 | 63 | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X |
| 64 | 64 | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X |
| 65 | 65 | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X |
| 66 | 66 | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | · | X |
| 67 | 67 | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | · | X |
| 68 | 68 | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X |
| 69 | 69 | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | · | · |
| 70 | 70 | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X |
| 71 | 71 | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | · | X | · | · |
| 72 | 72 | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | · | X |
| 73 | 73 | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | · | · | X | · | X | X |
| 74 | 74 | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | · | · | · | · | · |
| Code | Label |
2023
acs
|
2022
acs
|
2021
acs
|
2016
acs
|
2011
acs
|
2006
acs
|
2000
1pct
|
1990
1pct
|
1980
1pct
|
1970
met2
|
1970
met1
|
1960
1pct
|
1950
1pct
|
1940
1pct
|
1930
1pct
|
1920
1pct
|
1910
1pct
|
1900
1pct
|
1880
1pct
|
1870
1pct
|
1860
1pct
|
1850
1%+
|
| 75 | 75 | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | · | X | · | · | · | · |
| 76 | 76 | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | · | · | · | · | X | · | · |
| 77 | 77 | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | · | · | · | · | · | · | · |
| 78 | 78 | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | · | · | · | · | · | · | · |
| 79 | 79 | X | X | X | X | X | X | X | X | X | X | X | · | X | X | · | X | X | X | · | · | · | · |
| 80 | 80 | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | · | · | · | · |
| 81 | 81 | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | · | X | · | · | · | · | · |
| 82 | 82 | X | X | X | X | X | X | X | X | X | X | X | X | · | X | X | · | · | · | · | · | · | · |
| 83 | 83 | · | X | X | X | · | X | X | X | X | X | X | X | X | · | · | · | · | · | · | · | · | · |
| 84 | 84 | X | X | X | · | X | X | X | X | X | X | X | X | · | X | X | · | · | · | · | X | · | · |
| 85 | 85 | X | · | X | X | X | · | X | X | X | X | X | X | · | X | X | · | · | · | X | · | · | · |
| 86 | 86 | X | · | X | X | · | · | X | X | X | X | X | · | X | X | X | · | · | · | · | · | · | · |
| 87 | 87 | X | · | · | · | X | X | · | · | X | X | X | · | · | X | · | X | X | · | · | · | · | · |
| 88 | 88 | X | · | · | X | X | · | X | · | · | X | X | X | · | · | · | X | · | · | · | · | · | · |
| 89 | 89 | · | X | · | · | · | · | · | · | X | X | X | X | X | X | · | · | · | · | · | · | · | · |
| 90 | 90 | · | · | · | · | · | · | · | · | X | X | X | · | · | · | · | · | · | · | · | · | · | · |
| 91 | 91 | · | · | · | · | · | · | · | · | · | X | · | · | · | · | · | · | · | · | · | · | · | · |
| 92 | 92 | · | · | · | · | · | · | · | · | · | X | · | · | · | X | · | · | · | · | · | · | · | · |
| 93 | 93 | X | · | · | · | · | · | · | · | · | · | X | · | X | · | · | X | · | · | · | · | · | · |
| 94 | 94 | · | · | · | · | · | · | · | · | · | X | X | · | X | · | · | · | · | · | · | · | · | · |
| 95 | 95 | · | · | · | · | · | · | · | · | · | X | · | · | · | · | · | · | · | · | · | · | · | · |
| 96 | 96 | · | · | · | · | · | · | · | · | · | X | · | · | · | X | · | · | · | · | · | · | · | · |
| 97 | 97 | · | · | · | · | · | · | · | · | · | · | X | · | · | · | · | · | · | · | · | · | · | · |
| 98 | 98 | · | · | · | · | · | · | · | · | · | X | X | X | · | X | · | · | · | · | · | · | · | · |
| 99 | N/A | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X |
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Comparability
From 1850 to 1930 and in the ACS, all parent-child relationships can theoretically be identified, but for censuses from 1940 onward parent-child relationships cannot be identified for persons in group quarters. Group quarters individuals in the period since 1940 are coded 99 (N/A) in YNGCH, even though on rare occasions parents in group quarters may actually have resided with their children.
The comparability of this variable is affected by the information available on family relationships, including MOMLOC,MOMLOC2, POPLOC, and POPLOC2. MOMLOC2 and POPLOC2 are available only in 1970 and later. In 2017, the family interrelationship variables for samples from 1970 to present were revised to increase comparability across IPUMS projects and include same-sex couples. Samples prior to 1970 continue to use the original version of family interrelationship variables. Users will find it useful to read a brief overview of the key differences of the New IPUMS Family Interrelationship Variables.
YNGCH is based on the information contained in RELATE (Relationship to household head), MOMLOC, and POPLOC, for all years except 1850-1870. In these years, it is constructed from IMPREL (Imputed relationship). See MOMRULE, POPRULE and "Family Interrelationships" for a discussion of variations across years in these variables.
Universe
- 1850-1930: All persons.
- ACS, PRCS: All persons.
- 1940-2000: Not persons in group quarters.
Availability
- 2023: All samples
- 2022: All samples
- 2021: All samples
- 2020: All samples
- 2019: All samples
- 2018: All samples
- 2017: All samples
- 2016: All samples
- 2015: All samples
- 2014: All samples
- 2013: All samples
- 2012: All samples
- 2011: All samples
- 2010: ACS; ACS 3yr; ACS 5yr
- 2009: All samples
- 2008: All samples
- 2007: All samples
- 2006: All samples
- 2005: All samples
- 2004: All samples
- 2003: All samples
- 2002: All samples
- 2001: All samples
- 2000: All samples
- 1990: All samples
- 1980: All samples
- 1970: All samples
- 1960: All samples
- 1950: All samples
- 1940: All samples
- 1930: All samples
- 1920: All samples
- 1910: All samples
- 1900: All samples
- 1880: All samples
- 1870: All samples
- 1860: All samples
- 1850: All samples
- 2023: All samples
- 2022: All samples
- 2021: All samples
- 2020: All samples
- 2019: All samples
- 2018: All samples
- 2017: All samples
- 2016: All samples
- 2015: All samples
- 2014: All samples
- 2013: All samples
- 2012: All samples
- 2011: All samples
- 2010: PRCS; PRCS 3yr; PRCS 5yr
- 2009: All samples
- 2008: All samples
- 2007: All samples
- 2006: All samples
- 2005: All samples
- 2000: All samples
- 1990: All samples
- 1980: All samples
- 1970: All samples
- 1930: All samples
- 1920: All samples
- 1910: All samples
Flags
This variable has no flags.
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Editing Procedure
There is no editing procedure available for this variable.