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THE UNITED REPUBLIC OF TANZANIA
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Tanzania National Data Archive (TNADA)
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Employment and Earnings Survey 2013, Sixth round

Tanzania, 2013
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Reference ID
TZA-NBS-EES-2013-V01
Producer(s)
National Bureau of Statistics (NBS)
Metadata
DDI/XML JSON
Created on
Feb 13, 2022
Last modified
Aug 20, 2024
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  • Identification
  • Version
  • Scope
  • Coverage
  • Producers and sponsors
  • Sampling
  • Survey instrument
  • Data collection
  • Data processing
  • Data appraisal
  • Access policy
  • Disclaimer and copyrights
  • Contacts
  • Metadata production

    • Identification

    Survey ID number
    TZA-NBS-EES-2013-V01
    Title
    Employment and Earnings Survey 2013
    Subtitle
    Sixth round
    Translated Title
    No translation
    Country
    Name Country code
    Tanzania TZA
    Study type
    Enterprise Survey [en/oth]
    Series Information
    The history of the Employment and Earnings Survey (EES) in Tanzania dates back to 1963 when the first post-independence survey was launched. Thereafter, data on employment and earnings continued to be collected annually. However, due to lack of financial resources, this series was discontinued for sixteen years before it resumed in 2001, this report being the sixth since then.
    Abstract
    The main objective of the 2013 Employment and Earnings Survey was to obtain comprehensive data on the annual status of employment and earnings as well as data on the socio-economic characteristics of the labour market.
    Kind of Data
    Sample survey data [ssd]
    Unit of Analysis
    Establishment

    Version

    Version Description
    Version 1.0 (November, 2014)
    Version Date
    2014-08

    Scope

    Notes

    The Formal Sector Employment and Earnings Survey used one questionnaire devided into several sections namely:

    Part One: Identification
    Part Two: Regular Employees, Employment and Earnings
    Part Three: Casual Workers
    Part Four: Number of New Workers Recruited During the Last 12 Months
    Part Five: Current Job Vacancies

    Topics
    Topic Vocabulary
    Labor Markets World Bank

    Coverage

    Geographic Coverage
    Tanzania Mainland Regions
    Universe
    Formal establishments of both public and private sectors

    Producers and sponsors

    Primary investigators
    Name Affiliation
    National Bureau of Statistics (NBS) Tanzania (TZA)
    Funding Agency/Sponsor
    Name Role
    Government of Tanzania Funding

    Sampling

    Sampling Procedure
    Employment and Earnings Survey 2013 sample was based on a sampling frame obtained from the Central Register of Establishments (CRE) maintained by the NBS. The existing sampling frame was developed on the basis of International Standard Industrial Classification Revision 4 (ISIC Rev.4). 10

    Employment and Earnings Survey 2013 covered all establishments of public and all private sector establishments employing at least 50 employees. For all private sector establishments employing 5 - 49 employees, multistage sampling technique was used. The first stage within a region included stratification of all private establishments employing 5 - 49 employees into two strata namely 5 - 9 employees and 10 - 49 employees. Then, the sample size for each stratum was developed in each region. Finally, probability proportional to size (PPS) was used to draw the sample within each industry.

    A similar approach was used in all the 25 regions to draw the sample size across all industrial major divisions in the two strata separately to enhance representation of all economic activities to the economy.
    Deviations from the Sample Design
    No deviation from the sample
    Response Rate
    The accuracy of the statistical data provided in the tables is dependent on the rate of response, especially where a few establishments are dominant in the industry.
    On average, the response rate was about 89.2% for Employment and Earnings Survey 2013.
    Weighting
    The sampling weights for the strata were calculated by using the simple expansion method denoted as:-

    Weight = N/n

    Where: N = Total number of establishments before sampling
    n = Total number of sampled establishments

    Variable weight was used in the data set to weight the data.

    Survey instrument

    Questionnaires
    The Annual Employment and Earnings Survey uses an English Questionnaire which devided into several sections namely, Identification, Regular Employees. Employment and Earnings, Casual Workers, Number of Workers Recruited during the last 12 Months and Job Vacancies.

    Data collection

    Dates of Data Collection
    Start End Cycle
    2013-06-30 2013-10-31 4 months
    Time periods
    Start date End date Cycle
    2013 2014 1 year
    Data Collection Mode
    • Mail Questionnaire [mail]
    Data Collectors
    Name Affiliation
    National Bureau of Statistics Government of Tanzania
    Supervision
    After questionnaires sent to various owner of Establishments to all regions, the Regional Statistical Managers are responsible for demonstrating how to fill and make initial checks of the filled questionnairs. Incase of any additional information put into a questionnaire, Head Quarters Supervisors have to conduct an adhok training to Regional Manager to address new areas added and to fill them in the questionnire.
    Data Collection Notes
    Data were collected using questionnaires delivered to the selected establishments by regional statistical offices. Data collected refer to identification of establishments, regular employees, casual workers, number of new workers recruited and the current job vacancies. The Survey did not include the following:

    1. Wage earners in seasonal small-holder agriculture

    2. Employees in households

    3. Members of the foreign diplomatic missions, corporation and international aid
    organizations stationed in Tanzania

    4. Members of armed forces

    Data processing

    Data Editing
    After questionnires received to Head Quarters, Labour and Price Statistics Department recruits temporary editors for editing and coding the filled questionnaires before data entered to the computer to continue with further data processing steps. Completion of data entry followed by computer data editing for consistent and data entry error checks.

    Data appraisal

    Estimates of Sampling Error
    No sampling errorestimates
    Data Appraisal
    No Forms of other Data Appraisal

    Access policy

    Confidentiality
    Is signing of a confidentiality declaration required? Confidentiality declaration text
    yes Confidentiality of respondents is guaranteed by section 20 of Tanzania Statistics act number 1 of 2002. Before being granted access to the dataset, all users have formally agree:
    1. All identifying information such as the name and address of respondent has been removed; and
    2. The information is disclosed in a manner that is not likely to enable the identification of the particular person or undertaking or business to which it relates.
    3. Not attempt to identify any particular person or undertaking or business;
    4. Use of information for research or statistically purpose only;
    5. Not to disclose the information to any other person, organization
    6. When required by the Director General, return all documents made available to him to the Director General;
    7. Comply with the directions given by the Director General relating to the records.
    8. Every person involved in the research or statistical project for which information is disclosed pursuant to this section shall make the declaration of secrecy set out in the first schedule.
    Access conditions
    Tanzania NBS considered three levels of accessibility:

    1) Public use files, accessible by all
    2) Licensed datasets, accessible under certain conditions
    3) Datasets only accessible on location, for certain datasets

    The dataset has been anonymized and available as a public use dataset. It accessible to all for statistical and research purposes only, under the following terms and conditions:

    1.The data and other material will not be redistributed or sold to other individuals, institutions, or organization without the written agreement of the Tanzania National Bureau of Statistics.

    2.The data will be used for statistical and scientific research purposes only. They will be used solely for reporting of aggregated information, and not for investigation of specific individuals or organizations.

    3.No attempt will be made to produce links among dataset provided by the National Bureau of Statistics, or among data from the (National Bureau of Statistics) and other datasets that could identify individuals or organizations

    4.No attempt will be made to re-identify respondents, and no use will be made of the identify of any person or establishment discovered inadvertently. Any such discovery would immediately be reported to the National Bureau of Statistics.

    5.Any books, articles, conference papers, theses, dissertations, reports, or other publications that employ data obtained from the National Bureau of Statistics will cite the source of data in accordance with the Citation Requirement provided with each dataset.
    Disclaimer

    "The user of the data should acknowledges that, Tanzania National Bureau of Statistics is the original collector of the data , the authorized distributor of the data, and the relevant funding agency bear no responsibility for use of the data or for interpretations or inferences without a written agreement from the National Bureau of Statistics"

    Copyright

    (c)2014, National Bureau of Statistics
    Citation requirements
    The data user shall acknowledge that any available intellectual property righht, including copyright and the data of Employment and Earnings Survey 2013 version 1.0 are owned by National Bureau of Statistics, Tanzania
    Access authority
    Name Affiliation URL Email
    National Bureau of Statistics Government of Tanzania dg@nbs.go.tz

    Disclaimer and copyrights

    Disclaimer
    "The user of the data should acknowledges that, Tanzania National Bureau of Statistics is the original collector of the data , the authorized distributor of the data, and the relevant funding agency bear no responsibility for use of the data or for interpretations or inferences without a written agreement from the National Bureau of Statistics"
    Copyright
    (c) 2014, National Bureau of Statistics

    Contacts

    Contacts
    Name Affiliation Email URL
    Director General National Bureau of Statistics dg@nbs.go.tz
    Department Manager National Bureau of Statistics it.nbs@nbs.go.tz
    Desk Officer National Bureau of Statistics nada@nbs.go.tz
    Muhiddin J. Mtindo National Bureau of Statistics muhidin.mtindo@nbs.go.tz

    Metadata production

    DDI Document ID
    DDI-TZA-NBS-EES-2013-V1.0
    Producers
    Name Affiliation Role
    National Bureau of Statistics Government of Tanzania Metadata Producer
    Accelerated Data Program PARIS21 Review of the metadata
    Date of Metadata Production
    2014-11-21

    Metadata version

    DDI Document version
    Version 1.0 (November, 2014)
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