Statistics Netherlands

SES/SAR

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New concept added with the migration to SIMS 2.0.
Information (content) will be available after the next collection.

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New concept added with the migration to SIMS 2.0.
Information (content) will be available after the next collection.

Not available.
New concept added with the migration to SIMS 2.0.
Information (content) will be available after the next collection.

Not available.
New concept added with the migration to SIMS 2.0.
Information (content) will be available after the next collection.

Not available.
New concept added with the migration to SIMS 2.0.
Information (content) will be available after the next collection.

Not available.
New concept added with the migration to SIMS 2.0.
Information (content) will be available after the next collection.

Not available.
New concept added with the migration to SIMS 2.0.
Information (content) will be available after the next collection.

Not available.
New concept added with the migration to SIMS 2.0.
Information (content) will be available after the next collection.

For the 2010 SES the following sources were used:

1. Annual Survey on Employment and Earnings (ASEE 2010);
2. Population Register (PR 2010; in Dutch: Gemeentelijke Basisadministratie persoonsgegevens, GBA);
3. Labour Force Survey (LFS 2008, 2009 and 2010; in Dutch: Enquête beroepsbevolking, EBB).

1. Annual Survey on Employment and Earnings (ASEE 2010)

Data of ASEE have formed the core for the SES. The ASEE contains information about earnings and working hours of all individual employees as well as some characteristics of their jobs. In addition a number of variables (economic activity, geographical location, size of the enterprise) were taken from Statistics Netherlands’ General Business Register (GBR; in Dutch: Algemeen Bedrijfsregister, ABR). For the GBR Statistics Netherlands (SN) receives monthly information from three registers, which are kept by the Chambers of Commerce and the Social Security Board. This information relates to:

• newly registered legal units;
• existing legal units and local units removed from registration;
• changes in address;
• changes in principle kind of activity of units;
• changes in persons employed by units.

2. Population Register (PR 2010; in Dutch: Gemeentelijke Basisadministratie persoonsgegevens, GBA)

The Population Register (PR) contains demographic information on every inhabitant of the Netherlands. The PR is built from the municipal population registers, which are of outstanding quality nowadays. Municipalities have a major incentive to record all their inhabitants because the allocation of central government funds is mainly based on population size.

The Population Register (PR) is used for: 

• the variables age and sex;
• grossing up LFS (2008 + 2009 + 2010) to the PR-population October 2010;
• and micro-linkage: ASEE-PR,  LFS-PR  and  ASEE(PR)-LFS(PR).

3. Labour Force Survey (LFS 2008, 2009 and 2010; in Dutch: Enquête beroepsbevolking, EBB).

The Labour Force Survey (LFS) is a household sample survey. It is needed for information that is not available in registers. It contains variables of interest for the SES such as occupation and educational attainment levels. The LFS is a survey on private households, in which the survey population is restricted to persons aged 15 years and older. It is a continuous survey, meaning that sampling and surveying of persons is spread throughout the year. The sample size is actually quite small; yearly some 90 thousand persons are sampled, which is approximately 0.7 percent of the total population.

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For grossing up the SES data SN made use of data from the new ASEE.

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New concept added with the migration to SIMS 2.0.
Information (content) will be available after the next collection.

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Coefficients of variation (CV), standard deviation (s, square root of the variance) and mean are listed in the attached document Sampling errors. In table 1 for variable B42 ‘Gross earnings in the reference month’ and in table 2 for variable B43 ‘Average gross hourly earnings in the reference month’. The key-variables, B42 and B43, are broken down to:

• full-time (separately for men and women) and part-time employees,
• economic activity (NACE Rev.2),
• occupation (ISCO-08 at the 1-digit level),
• age band,
• geographical location (NUTS level 1),
• highest level of education (ISCED-97),
• size of enterprise.

At this moment there are no figures on the Dutch Structure of Earnings Survey 2010 (LSO 2010) available. In january 2013 a publication is planned.

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The 2010 SES of the Netherlands is not based on a single questionnaire but on a combination of three sources: the population register (PR 2010; in Dutch: Gemeentelijke Basisadministratie persoonsgegevens, GBA) the Labour Force Survey (LFS; in Dutch: Enquête Beroepsbevolking, EBB) and a Annual Survey on Employment and Earnings (ASEE)

The ASEE 2010 is based on, a combination of, the ‘Register of persons insured under employee insurance schemes’ (in Dutch: Polisadministratie) and the ‘Tax register of earnings’.

This register contains information about earnings and working hours of all individual employees, working or living in the Netherlands, as well as some characteristics of their jobs.

There is always a certain time lag between changes and the updating of the information in a register. The conclusion can be drawn that because of the way of updating (monthly) and the extra work that was done to overcome certain “shortcomings” of misclassification, under-coverage and over-coverage do not strongly influence the SES results.

Population 2010 SES of the Netherlands:

• jobs of employees, aged 15 years and over
• which have an enployment contract in reference month (October)
• and received remuneration during the reference month
• all size classes are covered, included enterprises with fewer than 10 employees (except enterprises without employees)
• and in the areas of economic activity defined by section B-S of NACE (Rev.2).

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1. Annual Survey on Employment and Earnings (ASEE 2010)

To compensate for “shortcomings” in the administrative registers the GBR sends questionnaires to all units that are newly registered or for which the activity code has been changed by the registers. On the basis of this information the legal units can be turned into meaningful statistical units.

2. Population Register (PR 2010; in Dutch: Gemeentelijke Basisadministratie persoonsgegevens, GBA)

Even though the PR seeks to optimally record every person in the population, it is by no means perfect (homeless people, illegal residents, people may emigrate and forget to notify the authorities, persons are registered at separate addresses but actually live together).

Labour Force Survey (LFS 2008, 2009 and 2010; in Dutch: Enquête beroepsbevolking, EBB)

The consequence is that estimations for small subpopulations at a detailed level may be unreliable or even impossible. For this reason three LFS-surveys, 2008, 2009 and 2010, were joined to create more mass for the SES compilation process. In general the above mentioned LFS variables are relatively stable in time, so that it can be assumed that they represent the situation at reference date without much error.

The ASEE contains information about earnings and working hours of all individual employees, working or living in the Netherlands, as well as some characteristics of their jobs. The ASEE is based on, a combination of, the ‘Register of persons insured under employee insurance schemes’ (in Dutch: Polisadministratie) and the ‘Tax register of earnings’.

The Population Register (PR) contains demographic information on every inhabitant of the Netherlands. The PR is built from the municipal population registers. Municipalities have a major incentive to record all their inhabitants because the allocation of central government funds is mainly based on population size.

The Labour Force Survey (LFS) is a survey on private households, in which the survey population is restricted to persons aged 15 years and older. It is a continuous survey, meaning that sampling and surveying of persons is spread throughout the year.

In case of 2010 SES non-response errors is not an issue. The non-response is already taken to acount at the sources. The LFS we use is corrected for non-response.

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Most of the present administrative registers are provided with a unique linkage key. It is the so-called social security and fiscal number (SoFi-number or BSN-number; in Dutch: Burgerservicenummer), a personal identifier for every (registered) Dutch inhabitant and those abroad who receive an income from the Netherlands and have to pay tax on it to the Dutch fiscal authorities. Statistics Netherlands recodes the BSN-number for statistical processing into a so-called Record Identification Number (in accordance with regulations of the Dutch Data Protection Authority to protect the privacy of the citizens). A limited amount of BSN-numbers may be registered with incorrect values in the data files, in which case linkage with other files may fail. However, in general, the percentage of matches is close to one hundred percent.

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The SES data used only refer to employees working in October 2010. This implies that the earnings and working hours data of employees who left the enterprise in 2010 were not included in the SES data. All data relate to the year 2010. It was not necessary to make adjustments from fiscal year to calendar year. All economic activities (NACE Rev.2) are covered; except the sections, A, T and U.  All size classes are covered, except enterprises without employees.

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At this moment there are no figures on the Dutch Structure of Earnings Survey 2010 (LSO 2010) available. Those will be published in January 2013.

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For compiling the 2010 SES figures, Statistics Netherlands used a methodology in which, by using existing sources, it was not necessary to conduct a separate survey.

• The ASEE is updated every month (with mutations).
• The PR is built from the municipal population registers.
• The LFS is a continuous survey, meaning that sampling and surveying of persons is spread throughout the year. Three LFS-surveys, 2008, 2009 and 2010, were joined to create more mass for the SES compilation process.

Up from January 2012 several sources were collected and processed.

The ASEE data used for the SES Regulation refers to reference month October, while the other months of 2010 are used for composing annual figures. This work was time-consuming (many basic data had to undergo further treatments) and the processing of data lasted until April 2012.

In the period from Mai onward, the basic data were processed and a data set with the required SES variables (from ASEE and the other sources, PR and LFS) was gradually built. For this purpose many data had to be linked. In June 2012 the data in the SES data set were provided with weights.

In July 2012 the plausibility checks, which were already started in June 2012, could be finalised.

Thereafter, the data tables for Eurostat were prepared, including confidentiality checks, and on 1 August 2012 the SES data were successfully sent to Eurostat (by Edamis Web Application):

• SES_EARA_A4 (table A- Reporting Units);
• SES_EARB_A4 (table B- Employees).

Annotations on selected variables:

• B422: ‘Special payments for shift work’ is a mandatory variable, but due to the impossibility of deriving it from the sources we used code 99999999.

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Statistical  units

The General Business Register of SN does not contain information regarding local units. The information about units does not refer to local units, but to enterprises (containing all the employees) at NUTS-1 level.

Populations

All economic activities (NACE Rev.2), except the sections A, T and U, are included in the SES.

All size classes are covered (except enterprises without employees).

Reference  times

All variables refer tot 2010, except for occupation and education.

The Labour Force Survey (LFS) is a household sample survey and it is needed for information that is not available in registers, such as occupation and educational attainment levels. The sample size is actually quite small; yearly some 90 thousand persons are sampled, which is approximately 0.7 percent of the total population. The consequence is that estimations for small subpopulations at a detailed level may be unreliable or even impossible. For this reason three LFS-surveys, 2008, 2009 and 2010, were joined to create more mass for the SES compilation process. In general the above mentioned LFS variables are relatively stable in time, so that it can be assumed that they represent the situation at reference date without much error.

Classifications

There are no differences between the national classifications and the Eurostat classifications.

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Methodology

In the 1995 SES the requisite data were compiled from Survey on Employment and Earnings (SEE 1995), Labour Force Survey (LFS 1994, 1995 and 1996) and the Insured Persons Register (1995).

For the 2002 SES the data were compiled form Survey on Employment and Earnings (SEE 2002) and Labour Force Survey (LFS 2000, 2001 and 2002).

With the 2006 SES we start with a new method, based on a new Register on Jobs and Wages (ASEE). The 2010 SES of based on the ASEE 2010 and the Labour Force Survey (LFS 2008, 2009 and 2010). The ASEE 2010 is based on (combination of) the ‘Register of persons insured under employee insurance schemes’ (in Dutch: Polisadministratie) and the ‘Tax register of earnings’.

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A comparison between the results of 2010 SES and 2010 NA is faced with difficulties because of conceptual differences between both sources. As a consequence the NA figures also relate to employees who do not figure on the payroll of enterprises. Because of this, the number of employees (in sections C to O) was almost 4 percent higher in NA as compared to the SES.

Comparison between 2010 SES and 2010 NA (National Accounts)

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At this moment there are no figures on the Dutch Structure of Earnings Survey 2010 (LSO 2010) available.

Usually results are accessible via StatLine, the electronic databank of SN (See: http://statline.cbs.nl/StatWeb/publication/?VW=T&DM=SLNL&PA=71498NED&D1=a&D2=a&D3=4,9-22&D4=0&HD=090325-1229&HDR=T&STB=G1,G2,G3 ).

All the information on this databank may be consulted, printed out and downloaded free of charge.

In January 2013 data will be sent to CPB

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At this moment there is no description on the methodology and results of the 2010 SES and the Dutch Structure of Earnings Survey 2010 (LSO 2010).  Usually a description on the methodology and results can be found in an article in the ‘Sociaal-economische trends’, a quarterly publication with socio-economic data of SN.  This article will be published in 2013.

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In the Dutch LSO 2010, table cells will be suppressed (x  confidential figure) when:

• table cells are based on 10 observations or less,
• table cells, based on 11-100 observations, have estimated relative margins of more than 35 percent,
• table cells, based on more than 100 observations, have estimated relative margins of more than 50 percent.

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