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

Documentation in PDF DDI/XML JSON

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Created on

Sep 29, 2011

Last modified

Sep 03, 2025

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Month of birth (BIRTHMO)

Data file: CHN1990_PHC-P-H.dat

Overview

Type: Discrete

Decimal: 0

Start: 94

End: 95

Width: 2

Range: -

Format: Numeric

Questions and instructions

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
98	Unknown
99	NIU (not in universe)

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.

Description

Definition

BIRTHMO indicates the person's month of birth.

concept

Concept

var_concept.title	Vocabulary
Demographic Variables -- PERSON	IPUMS

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