Home / Central Data Catalog / VNM_1989_PHC_V01_M_V7.5_A_IPUMS / variable [P]
central

1989 Population and Housing Census - IPUMS Subset

Vietnam, 1989
Get Microdata
Reference ID
VNM_1989_PHC_v01_M_v7.5_A_IPUMS
Producer(s)
Bureau of The Central Steering Committee for the 1989 Population and Housing Census. General Statistics Office., IPUMS
Metadata
Documentation in PDF DDI/XML JSON
Study website
Created on
Sep 29, 2011
Last modified
Sep 03, 2025
Page views
16726
Downloads
1424

Age (VN1989A_AGE)

Data file: VNM1989_PHC-P-H.dat

Overview

Type: Discrete
Decimal: 0
Start: 194
End: 196
Width: 3
Range: -
Format: Numeric

Questions and instructions

Literal question
<svar a="all" v="VN89A403 VN89A404 VN89A431">4. Month and year of birth<br /><div class="i1">_ _ Month<br />1_ _ _ Year</div><br /></svar>
Categories
Value Category
000 0
001 1
002 2
003 3
004 4
005 5
006 6
007 7
008 8
009 9
010 10
011 11
012 12
013 13
014 14
015 15
016 16
017 17
018 18
019 19
020 20
021 21
022 22
023 23
024 24
025 25
026 26
027 27
028 28
029 29
030 30
031 31
032 32
033 33
034 34
035 35
036 36
037 37
038 38
039 39
040 40
041 41
042 42
043 43
044 44
045 45
046 46
047 47
048 48
049 49
050 50
051 51
052 52
053 53
054 54
055 55
056 56
057 57
058 58
059 59
060 60
061 61
062 62
063 63
064 64
065 65
066 66
067 67
068 68
069 69
070 70
071 71
072 72
073 73
074 74
075 75
076 76
077 77
078 78
079 79
080 80
081 81
082 82
083 83
084 84
085 85
086 86
087 87
088 88
089 89
090 90
091 91
092 92
093 93
094 94
095 95
096 96
097 97
098 98
099 99
100 100
101 101
102 102
103 103
104 104
105 105
106 106
107 107
108 108
109 109
110 110
111 111
112 112
113 113
114 114
115 115
118 118
120 120
123 123
135 135
999 Unknown
Warning: these figures indicate the number of cases found in the data file. They cannot be interpreted as summary statistics of the population of interest.
Interviewer instructions
<svar a="all" v="VN89A403 VN89A404 VN89A431"><span class="h3">4. Month and year of birth</span><br /><span class="em">All persons responding question 1 should answer this question.</span><br /><br />Interviewers should ask and fill out the actual month and year of birth for every person based on the solar calendar. Persons who have an incorrect date of birth in their legal documents (e.g. personal identification certificate, household registration, birth certification, etc.) can report their correct date of birth in the enumeration form.<br /><br />If a person does not remember her/his date of birth in the solar calendar, but s/he remembers her/his age and date of birth in the lunar calendar, interviewers can check the calendar conversion table (in the appendix) in order to get the correct year of birth in the solar calendar.<br /><br />In case that a person does not remember the month of birth but s/he knows her/his age by the lunar calendar, his/her estimated year of birth is, as follow:<br /><div class="i1">Year of birth (solar calendar) = year of census (1989) - age (by lunar calendar) +1</div><br />If a person does not remember the date of birth or his/her own age or that for other household members, interviewers can ask several questions to find out estimated dates of birth.<br /><br />If a person cannot remember his/her age or year of birth, interviewers can look at their appearance and ask them to estimate their own ages and use the calendar conversion table to fill in the year of birth by the solar calendar.<br /><br />For children, if the interviewee does not remember his date of birth, interviewers can ask months of age and calculate the month and year of birth of the child.<br /></svar>

Description

Definition
This variable indicates the person's age.
Universe
Vietnam 1989: All persons

concept

Concept
var_concept.title Vocabulary
Demographic Variables -- PERSON IPUMS
Back to Catalog