Sample characteristics: Vietnam

Census characteristics

1989

1999

Title

1989 Population and Housing Census

1999 Population and Housing Census

Census Agency

Bureau of The Central Steering Committee for The 1989
Population and Housing Census. General Statistics Office.

Bureau of The Central Steering Committee for The 1999

Population
universe

Residents in Vietnam, including those usually
resident in Vietnam, but who were overseas at the time of the
census; special groups were enumerated, including the police force,
army and foreign affairs.

army and foreign affairs.

De jure or de
facto

De jure

De jure

Enumeration unit

Occupied dwellings

Occupied dwellings

Census day

April 1, 1989

April 1, 1999

Field work period

—

Completed within 7 to 10 days

Enumeration forms

Two forms: long (5% sample survey) and short
(remaining 95% of the population). The long form contained both the
core and sample questions. Dwelling questions covered 19
provinces/cities, not necessarily corresponding to the sample
survey.

Two forms: long (3% sample survey) and short
(remaining 97% of the population). The long form contained both the
core and sample questions. Dwelling questions were included as core
questions (100% of population) and, in rural areas, additional
household questions on means of production were included on both
long and short forms.

Type of field
work

Direct enumeration

Direct enumeration

Respondent

Householder or responsible adult

Householder or responsible adult

Undercount

No official estimate

No official estimate

Microdata sample characteristics

1989

1999

Microdata source

Constructed by census agency. Microdata files from
floppy discs dated April 19, 1995

Constructed by census agency. Microdata files from CD
dated September 7, 2000

Sample design

Stratified systematic sample of enumeration areas.
Strata correspond to 80 geographic areas, according to urban/rural
and provinces/cities. All dwellings/households within an enumeration
area are included in the sample.

Stratified systematic sample of enumeration areas.
Strata correspond to 122 geographic areas, according to urban/rural
and provinces/cities. All dwellings/households within an enumeration
area are included in the sample.

Sampling unit

Enumeration Area

Enumeration Area

Sample fraction

5%

3%

Sample size (person
records)

2,626,985

2,368,167

Sample weights

Computed by census agency and should be used for most
types of analysis

Computed by census agency and should be used for most
types of analysis

Units identified

1989

1999

Dwelling/housing
units

Not identified in current microdata version

Yes

Vacant dwellings

No

No

Households

Yes

Yes

Individuals

Yes

Yes

Group Quarters (Collective
households)

Yes

No

Special
Populations

Mortality /fertility included on survey, not released
in current microdata version

Mortality at household level. Available in survey,
not released in current microdata version.

Unit definitions

1989

1999

Private Household

One or more persons who share food and living
space.

—

Group Quarters (Collective
households)

Government institutions, factories, and other
collective organizations; people living far from their families;
unrelated individuals not sharing common budget.

Not identified

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