Survey of Agricultural Holdings 2021
Georgia, 2021 - 2022
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GEO_2021_SAH_v01_M_v01_A_ESS
Survey of Agricultural Holdings 2021
SAH 2021
| Name | Country code |
|---|---|
| Georgia | GEO |
Agricultural Survey [ag/oth]
The survey completely covers the territory of Georgia, excluding the occupied territories of Autonomous Republic of Abkhazia and Tskhinvali region. Each year a new sample is selected based on a rotational design (on a 3-year basis). In particular, every year approximately 4 000 holdings out of the 12 000 sampled holdings are replaced by new holdings. Sampled holdings participate in the survey for 3 years. Large agricultural holdings are sampled every year with complete coverage. The statistical unit of the survey is the agricultural holding (family holdings and agricultural enterprises) - which is defined as an economic unit of agricultural production under single management comprising all livestock kept and all land used wholly or partly for agricultural production purposes, without regard to title, legal form or size. Agricultural activities are conducted under the supervision of a holder (in case of households - a member of household, in case of agricultural enterprises - director or authorized person), who is responsible for making decisions and takes all economic risks and expenses related to agricultural activities. More than 270 interviewers participate in the survey fieldwork. For the Data collection, computer-assisted personal interviewing method (CAPI) is used in the family holdings. In case of agricultural enterprises, the authorized persons of the enterprises (respondent) fill the electronic (online) questionnaires by themselves (CAWI). Coordination of the interviewers and the primary control of the collected data during the field is carried out by coordinators. Their working area covers several municipalities. The function of the coordinators also includes consultation for agricultural enterprises on methodological and technical issues related to the survey.
Sample survey data [ssd]
Agricultural holding – economic unit of agricultural production under single management comprising all livestock kept and all land used wholly or partly for agricultural production purposes, without regard to title, legal form or size in which agricultural activities are conducted under the supervision of a holder, who is responsible for making decisions and takes all economic risks and expenses related to agricultural activities.
Scope
Statistical information on sheep and goats, as well as the production of melons, and watermelons is collected separately based on the special questionnaire. The source of these statistics is the administrative units of the Municipalities of Georgia. Information on tea leaf production is obtained from the legal entities specialized in crude tea leaf processing.
Coverage
Entire country (Georgia), excluding occupied regions (Abkhazia and Tskhinvali region)
Survey sampling frame includes about 642,000 agriculture holdings (households and agricultural enterprises) operated in country. The Agricultural Census 2014 is the main source of the sample frame. Sampling frame is updated on a permanent basis in according to the results of survey of agricultural holdings, business register and different administrative sources.
Producers and sponsors
| Name |
|---|
| National Statistics Office of Georgia |
| Name | Affiliation | Role |
|---|---|---|
| Food and Agriculture Organization of the United Nations | FAO | Technical Support |
| Name | Abbreviation | Role |
|---|---|---|
| National Statistics Office of Georgia | Geostat | Funding |
| 50x2030 Initiative (www.50x2030.org) | 50x2030 | Technical and Financial Assistance |
Sampling
• Main Source of the sample frame since 2016 - Agricultural Census 2014;
• Sample frame contained 642,000 holding - sample size 12 000 (1.9%);
• Sample Design: two-stage stratified cluster random sampling;
- First stage - selection of cluster (Settlement);
- Second stage - Selection of holdings within the selected clusters;
• Each year a new sample is selected based on a rotational design; - Every year 1/3 of holdings (4,000) selected a year before are replaced (Sampled holdings participate in the survey during 3 years);
• Extremely large agricultural holdings are sampled every year with complete coverage;
• Additional Sources for updating sample frame: Sample Survey of Agricultural Holdings, Statistical Business Register, Administrative data existing in MEPA (large agricultural holdings); Sampling error of main indicators do not exceed 5% for a country level and 10% for a regional level;
In the 2021 fourth quarter, 963 holdings were not responded to due to refusing to be interviewed or would not be found during the fieldwork despite its existence. It is about 7.7% of the total Sampled holdings 12,436 holdings involved in the sample 2021 fourth quarter.
The survey of agriculture holdings uses a rotation design basis. Every sampled cluster, excluding clusters of extra-large holdings, belongs to one of three rotation group. This kind of approach implies to keep a holding in the sample for about three years and after this time replace it by another holding from the same stratum. The initially selected holdings will not necessarily stay in the survey for three years. In 2017, holdings of the first rotation group were substituted, in 2018 - holdings of the second rotation group, and in 2019 - holdings of the third rotation group. Extra-large holdings will participate without being substituted. Every year approximately 4000 holdings out of 12000 holdings selected a year before being changed. Newly introduced holdings will belong to the same rotation group which its predecessor belonged to.
At First, initial weights of selected holdings from s-th stratum will be calculated: Ws,0=Ns/ns
Where Ns is the number of holdings, and ns - number of selected holdings in s-th stratum.
In the strata of small, medium and large holdings, all the interviewed holdings of s-th stratum will have the following weight assigned: Ws,1=(Ns-usWs,0)rs
Where rs is the number of responses in s-th stratum, and us is the number of selected holdings in the stratum that do not exist.
In extra-large holding strata the difference between holdings with respect to their sizes might be very large and distributing the weights of non-responses on interviewed holdings might give misleading results. Because of this, in order to weight the holdings of this size, post-stratification should be done. At first, the main specialization of all holdings should be determined. That is, the crop type (or type of animals/poultry) which makes up the bulk of holding's ACI should be determined. All the extra-large holdings of the country should be grouped according to their main specializations. The holdings, ACI of which exceeds 300 should be grouped together separately from other holdings. The latter stratum should also include all the other extra-large holdings which have a unique specialization countrywide. The interviewed holdings of this stratum should have final weights set to their initial weights (Ws,0=1), and the holdings which exist but were not interviewed for some reason, should have their data filled in through some method (imputation, results of previous survey, or data obtained from other sources). All of these cases should be considered individually. In the rest of the extra-large holdings weighting should be carried out as it is done in the case of small, medium and large holdings.
After forming the sample initial weights were calculated. Afterwards, the accuracy of estimates (obtained from selected holdings) for the parameters from the database was calculated.
Survey instrument
Detailed information on structure, and sections of questionnaires used in the survey of agricultural holdings available in following link: https://www.geostat.ge/en/modules/categories/564/questionnaires-Agricultural-Statistics
Statistical Disclosure Control (SDC): Microdata are disseminated as Public Use Files under the terms indicated in Dissemination Policy at Geostat (https:// www.geostat.ge/media/20862/Microdata-Dissemination-Policy_Eng.pdf).
This Policy establishes that, prior to using public use microdata, the user shall get familiar and comply with the following conditions:
- Public use microdata shall be used exclusively for statistical or scientific research purposes;
- Public use microdata shall be used just for receiving aggregated data and not for identifying information about specific statistical unit;
- Attempt to identify statistical unit using information available in public use microdata file (database) is inadmissible;
- Geostat shall be immediately notified in case a statistical unit is inadvertently revealed in public use microdata file (database).
In addition, anonymization methods have been applied to the microdata files to protect the confidentiality of the individual data collected. These methods include: i) removal of information that may directly identify a respondent (name, address, phone number, etc.), ii) grouping values of some variables into categories (e.g. age), iii) limiting geographical information to the region level, iv) suppression of some data points for variables that, in combination with others, may pose a relevant risk of identification of a statistical unit, v) grouping agricultural holdings with extreme values into aggregates, etc. In the latter case, agricultural holdings with extreme values in certain numerical variables were merged together into aggregated records. Their code starts with “aggreg”, followed by random numbers of four digits. Non aggregated records have a code starting with “single” and represent single holdings. Users must be aware that the data protection with SDC methods involves modifying the data, including suppression of some data points. It may therefore have unwanted consequences, such as sampling error and bias. It should be noted that the impact of anonymization on these data was generally stronger on the smaller subpopulations, and for this reason data by region were more distorted than national totals, and data from enterprises were much more impacted than data from family holdings (given that the number of holdings in the enterprises category is much lower).
Data collection
| Start | End | Cycle |
|---|---|---|
| 2021-01-11 | 2021-01-31 | Inception Survey |
| 2021-04-01 | 2021-04-12 | I Q survey |
| 2021-07-01 | 2021-07-12 | II Q survey |
| 2021-10-01 | 2021-10-12 | III Q survey |
| 2022-01-11 | 2022-01-22 | IV Q (Final) survey |
- Computer Assisted Personal Interview [capi]
From 2006 to 2017 data for the Survey of Agriculture Holdings were collected using paper-based questionnaires, while since 2018 data are collected tablet-based computer-assisted personal interviewing (CAPI) methods. In case of agricultural enterprises data are collected via online questionnaires CAWI- Computer Assisted Web-interviewing).
Data processing
After the field work, cleaning and harmonization of all inquiries are established at the Geostat head office - logical and arithmetical inconsistencies, as well as non-typical and suspicious data are detected, checked and corrected. Verification of the data is performed by contacting the respondents by phone. If verification with respondent is impossible, different imputation methods are used. Finally, indicators are calculated using weighted data. The obtained results are compared with corresponding results of the previous periods. In case of significant differences, the possible causes are identified and analyzed.
Data Access
| Is signing of a confidentiality declaration required? | Confidentiality declaration text |
|---|---|
| yes |
1. The Law of Georgia on Official Statistics:
- According to the article 4 of the law individual data collected by statistical agencies for statistical compilation, whether they refer to natural or legal persons, are to be strictly confidential and used exclusively for statistical purposes.
- According to the article 28 (Observing Confidentiality of Statistical Data) of the law.
1. The data collected for the purpose of producing official statistics shall be confidential if it allows for identification of observation unit or r it is possible to identify such data through it.
2. The confidential statistical data shall not be issued or disseminated or used for a non-statistical purpose but for the exceptions envisaged by the Georgian legislation.
3. When official statistics, it is obligatory to destroy or store separately the identity data including the questionnaires containing such data and used for statistical surveys according to the rules defined in the Georgian legislation.
- According to the article 29 (The Obligations and Responsibilities of the Employees of the Geostat) of the law the confidential statistical data collected and processed for the purpose of statistical survey shall not be used or disseminated by the employees of the units of the Geostat. https://www.geostat.ge/media/56202/The-Law-of-Georgia-on-Official-Statistics.pdf
2. Data Confidentiality Policy at Geostat |
Data Confidentiality Policy at Geostat
https://www.geostat.ge/media/20860/Data-Confidentiality-Policy-at-Geostat_En.pdf
Public Use Microdata Dissemination Policy at Geostat
https://www.geostat.ge/media/20862/Microdata-Dissemination-Policy_Eng.pdf
Contacts
| Name | Affiliation | |
|---|---|---|
| Giorgi Sanadze | Head of Agriculture and Environment Department at Geostat | gsanadze@geostat.ge |
Metadata production
DDI_GEO_2021_SAH_v01_M_v01_A_ESS_FAO
| Name | Abbreviation | Affiliation | Role |
|---|---|---|---|
| National Statistics of Georgia | GEOSTAT | Metadata producer | |
| Alessia Marcobelli | Metadata adapted for FAM | ||
| Development Economics Data Group | DECDG | The World Bank | Metadata adapted for World Bank Microdata Library |
Metadata version
Identical to a metadata (GEO_2021_SAH_v01_EN_M_v01_A_ESS) published on FAO microdata repository (https://microdata.fao.org/index.php/catalog). Some of the metadata fields have been edited.