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Fifth National Population Census - IPUMS Subset

China, 2000
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Reference ID
CHN_2000_PHC_v01_M_v7.5_A_IPUMS
Producer(s)
National Census Office, IPUMS
Metadata
DDI/XML JSON
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Created on
Sep 03, 2025
Last modified
Sep 03, 2025
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Month of birth (CN2000A_BIRTHMO)

Data file: CHN2000_PHC-P-H.dat

Overview

Type: Discrete
Decimal: 0
Start: 180
End: 181
Width: 2
Range: -
Format: Numeric

Questions and instructions

Literal question
4. Please provide the age and the month and year of birth </p>
<div class="i1">____ Age<br />____ Month of birth<br />____ Year of birth</div>
Categories
Value Category
01 January
02 February
03 March
04 April
05 May
06 June
07 July
08 August
09 September
10 October
11 November
12 December
99 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
<span class="h1">Part One. Personal records</span></p>

<p>All persons should respond to R1 through R7.</p>

<p><span class="em">R4. Age</span>
<br />Age should be based on Gregorian calendar instead of lunar calendar.
<br />For babies, if younger than ten months (including ten months), age = 2000 - birth year;
<br />If older than ten months (eleven or twelve), age = 2000 - birth year - 1.
<br />[omitted the details of age conversion between lunar and Gregorian calendar.]

Description

Definition
This variable indicates the person's month of birth.
Universe
China 2000: All persons

concept

Concept
var_concept.title Vocabulary
Demographic Variables -- PERSON IPUMS
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