Historical censuses numbers from the dutch
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Historical Censuses; Numbers from the Dutch. Providing access to the Dutch Population census of 1971 drs. L.J.G. Schreven. Structure. Censuses in the Netherlands A very short history Digitising the 1971 census Approach, difficulties and solutions and state of affairs

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Historical Censuses; Numbers from the Dutch

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Historical censuses numbers from the dutch

Historical Censuses; Numbers from the Dutch

Providing access to the Dutch Population census of 1971

drs. L.J.G. Schreven


Structure

Structure

  • Censuses in the Netherlands

    A very short history

  • Digitising the 1971 census

    Approach, difficulties and solutions and state of affairs

  • Census digitisation projects in the Netherlands

    Different projects in past, present and future


Censuses in the netherlands

Censuses in the Netherlands

A very short history


Censuses 1795 1889

Censuses 1795 – 1889


Censuses 1899 1971

Censuses 1899 – 1971


Main census objectives

Main census objectives

  • To determine the size of the population on a fixed point in time (statistic objective)

  • To prove the reliability of the population registers (administrative objective)

  • To examine the demographic and social-economic characteristics of the population (social objective)


The end of an era

The end of an era

  • In 1971 the last general census was held. Why? Unwilling population!

  • Causes:

    • Deep scars left by World War 2

    • Fear for an all-knowing government (Big Brother)

    • Fear for computerised data on the whole society

  • Consequences:

    • Public protest against the census

    • Media attention to all issues concerning privacy policy

    • Political pressure on Statistics Netherlands


Results

Results

  • A new law concerning privacy was passed in 1970

  • This delayed the census until 1971.

  • Still there were some people unwilling to cooperate

    Opposition against censuses:

    19602 (absolute figure) unwilling citizens

    1971.2 percent unwilling (about 25.000)

    1980A census test showed an average unwillingness of 26 percent. In big urban areas this rose to almost 60 percent

    1981 census was first postponed, later it was cancelled


After 1971

Register counts supplemented by random sample surveys.

After 1971


Dis advantages

(dis)advantages

  • Disadvantages: regional splitting of data is impossible

  • Advantages: costs are down and results are faster available


Summary

Summary

  • Decennial censuses between 1829 and 1971

  • Privacy controversy leads to cancelling 1981 census

  • Censuses are replaced by register counts and surveys

  • Detailed annual statistics are introduced from the early nineties


Digitising the 1971 census

Digitising the 1971 census

Approach, difficulties and solutions

and state of affairs


Approach

Approach

  • Detailed description of the data

  • Researching different methods of availability of data (and documentation)

  • Manufacturing a test data file

  • Researching the statistical security of data

  • Preparing the digital archiving of data


Difficulties

Difficulties

  • Very soon after the project got underway data problems were discovered.

  • Data were incomplete

    • Missing labels

    • Missing cases

  • Data were false

    • ‘Impossible’ data


  • Solutions

    Solutions

    • Missing labels: scanning – editing – reentering

    • Missing cases: recovering ‘ancient’ data by going back to the source

    • Impossible data: reestablishing corrupt data


    Metadata and documentation

    Metadata and documentation

    • Metadata in (D)DDI

    • Documentation in Portable Document Format (PDF)


    Data availability remote execution

    Data availability: Remote Execution

    • The data are rendered available in cooperation with Statistics Netherlands.

    • Privacy issues restrict availability, therefore we decided to use Remote Execution.

    • To facilitate Remote Execution a test data file was constructed, which had to be secured.


    State of affairs

    State of affairs

    • On schedule

    • June to September; detailed descriptions of both the data and the documentation

    • Updating the website (www.volkstellingen.nl)

    • GIS component


    Neighbourhood in focus

    Neighbourhood in Focus


    Statline cartographic

    Statline Cartographic


    Summary1

    Summary

    • Difficulties with data were overcome

    • Metadata and documentation are collected

    • A test data file was constructed to facilitate Remote Execution

    • The website will be updated

    • Applications for regional analyses of the data will be available through Statistics Netherlands


    Census projects past present and future

    Census projects; past, present and future

    • Past: Centennial census project (1899-1999)

    • Present: Digitising fund Royal Netherlands Academy of Arts and Sciences (KNAW) (1795-1859, 1930, 1960 and 1971)

    • Future: Life Courses in Context (1869-1989, 1909, 1920 and 1947)


    Even more in the future

    Even more in the future?

    • In 2005, all general population censuses will be available

    • More in the future? NIWI hopes to participate in IPUMS-Europe.


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