Fourth National Population Census - IPUMS Subset

China, 1990

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Reference ID

CHN_1990_PHC_v01_M_v7.5_A_IPUMS

Producer(s)

National Bureau of Statistics, IPUMS

Metadata

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Sep 29, 2011

Last modified

Sep 03, 2025

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Age (CN1990A_AGE)

Data file: CHN1990_PHC-P-H.dat

Overview

Type: Discrete

Decimal: 0

Start: 196

End: 198

Width: 3

Range: -

Format: Numeric

Questions and instructions

Literal question

<svar a="all" v="CN90A403 CN90A404 CN90A422">4. Age: _ _ _<br /><div class="i1">Born in the year: _ _ _ _<br />Born in the month: _ _</div><br /></svar>

Categories

Value	Category
000	Less than 1
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
110	110
115	115
120	120

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="CN90A403 CN90A404 CN90A422">4. <span class="em">Age</span> -- Fill in the age, month and year of birth. For age, only count the number of full years from birthday to the standard time of Census. For those less than one year old, fill in "0". If there is an elderly in the household who is a hundred years old, fill in the "Remark" that this person is a hundred years old. Birth date is by the Gregorian calendar. Convert the birth date into the form of Gregorian calendar if the birth date is remembered in the form of Chinese calendar; the conversion should follow the cross-list of age in the appendix. As a rule of thumb, the difference between the month in the lunar calendar and that in the Gregorian one is about one month. When converting the lunar calendar to Gregorian one, enumerator can just add one to the birth date. Just need to pay attention that Dec in the lunar calendar is January the following year in Gregorian calendar.<br /><br />Fill in the month and year of birth date and age in Arabic numerals.<br /></svar>

Description

Definition

This variable indicates respondent's age in complete year(s).

Universe

China 1990: All persons

concept

Concept

var_concept.title	Vocabulary
Demographic Variables -- PERSON	IPUMS

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