Kazakhstan

Title: Sampling survey of households

GENERAL INFORMATION AND BASIC DEFINITIONS

1. Background

Further information is available from Agency on Statistics of the Republic of Kazakhstan of 125, Abay Prospect, Almaty, 480008, phone: 7 3272 427383, e-mail: efstafiev@statbase.kz.
Data have been collected by household survey since 1997. 1

2. Purpose and coverage

The following purposes are considered to be very important or of some importance:
Lesser importance is attached to:

Geographic coverage: National with the following geographic areas excluded: remote or inaccessible areas .

Population coverage:
The following types of household are included in the data collection:
The following types of household are excluded in the data collection:

Units:
Dwelling units are used in the sample selection and are characterised by:
Data are recorded for the household unit which is characterised by:
Data are recorded for the family unit which is characterised by:
Data are recorded for the income unit which is characterised by:
Data are recorded for the consumer unit, expenditure unit or spending unit which is characterised by:

Unit members: Usual residents temporarily living away from the dwelling are included, if away continuously for less than 2 months. Visitors (not usual residents) temporarily living in the dwelling are included, if staying continuously for more than 2 months. Domestic staff living in same dwelling/compound are not included in the unit. Renters living in same dwelling/compound are not included in the unit. Boarders living in same dwelling/compound are not included in the unit.

Head of unit:
The concept of head of household/other unit is used in this survey and is characterised by:

3. Reference periods

This survey is conducted every quarter and every year.. The statistics are published quartely and annually.

SURVEY METHODOLOGY

4. Sample design

The Primary, Secondary and Ultimate Sampling Units are enumeration area/district, address and household respectively.

Stratification:
Areas/districts were stratified using the following criteria:
Households/Consumption Unit, Income Unit, Family Unit were stratified using the following criteria:

The sampling frames for the Primary Sampling Unit (PSU) and Ultimate Sampling Unit (USU) were the list of Census enumeration areas and the master sample of households respectively. The sample size was 12000 households or other units and 400 interviews. The overall response rate for the survey was 3.3 percent.

Enumeration procedure: Enumeration uses a panel design in which each reporting unit is enumerated more than once. If a reporting household/unit drops out from the panel, it is replaced. If changes occur in composition of the reporting household/unit during the lifetime of the panel, then it continues in the panel. A smaller set of reporting units is selected from which information on specific issues is gathered or more detailed questions are asked.

DATA COLLECTION, CONCEPTS, DEFINITIONS AND CLASSIFICATIONS

5. Income data

Income data are collected. Receipts have to be regular and recurring to be considered as income. Income excludes receipts resulting from the sale or reduction of assets and/or from incurring liabilities. 2 Income excludes receipts that are not currently available to the unit.

The following receipts are collected separately:
The following receipts are not collected:
The following receipts are classified as income from paid employment:
The following receipts are classified as income from self-employment:
The following receipts are classified as transfer income but not employment-related:
The following receipts are classified as other employment-related income:
The following receipts are collected using the last 3 months as the reference period:

Income data were collected as an aggregate for the whole unit. Negative values (business losses) were excluded when computing self-employment income.

6. Expenditure data

Data collection method:
Diaries are used to collect expenditure data and are maintained for two weeks.

Diaries are used to collect expenditure on the following items:

Interviews are used to collect expenditure data with the respondent completing the interview by a mix of recall and using documentation.

Data for the following expenditure items are collected by referring:
Data for the following expenditure items are not collected by interview because they are collected by diary:
The following types of expenditure items are classified as 'Household consumption expenditure':
The following types of expenditure items are classified as 'Actual Household consumption':
The following types of expenditure items are classified as 'Non-consumption household expenditure':
The following types of expenditure items are excluded due to measurement problems:
The following types of expenditure items are collected on an 'acquisitions' basis:
The following types of expenditure items are collected on a 'use' basis:

Classification: COICOP is used for classifying expenditure and has 2 separate categories at the finest level.

7. Other Data Collection Issues

The following other topics are covered:

Households are requested to indicate whether durable goods are new or second-hand when their acquisition is recorded.

Non-response: There is no substitution for non-response, whether by non-contact or by refusal.

Non-response is reduced using more than one repeat visits. Reporting errors are reduced using quality control.

DATA PROCESSING, ANALYSIS AND DISSEMINATION

Answers are pre-coded on data collection forms to the extent possible.

The responses are edited interviewers, data collectors.

Extreme values are amended. In-kind receipts and consumption of own production are included in the estimates. In-kind receipts are valued using: the imputed by field staff using market prices. Consumption of own production is valued using: the imputed in office processing using market prices.

Treatment of owner-occupied housing: Values of owner-occupied housing are not included in the total income/expenditure estimates.

Treatment of selected groups/values in analysis: Some households/units are excluded from analysis because of incomplete response. Missing values are imputed only on some occasions . Supplementary sources are not used to adjust estimates for under- or over-reporting. Etnic groups are excluded from data analysis.

Weighting:
Weighting factors are used to adjust for:

Sampling errors: Sampling errors are not computed.

Tabulation and Analysis: Statistics are presented showing averages per year3 and statistics are analysed and tabulated for households only.

The following classifications are used for tabulation and analysis of income statistics:
The following classifications are used for tabulation and analysis of expenditure statistics:

Documentation and Dissemination:

Published methodological information: methodology of conducting of households'survey in the Republic of Kazakhstan, 2000/2001

Additional statistics (or special tables on request) are available for public use, with charges. Separate tables are published for low income households. Files of unidentifiable unit data are available (or available on request) for public use, with charges.


(1) Starting in 2001 the sample size was increased from 6000 to 12000 households. (2) Sale of real estate, credits, usage of personal savings from bank account. (3) Statistics are also presented showing averages per quarter.