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For any question on data and metadata, please contact: Eurostat user support |
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1.1. Contact organisation | State Secretariat for Migration (SEM), Switzerland |
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1.2. Contact organisation unit | Section Finance, Official Planning, Controlling and Statistics |
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1.5. Contact mail address | State Secretariat for Migration SEM Statistics Service Sägestrasse 77 3038 Köniz Switzerland |
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2.1. Metadata last certified | 29/07/2024 | ||
2.2. Metadata last posted | 29/07/2024 | ||
2.3. Metadata last update | 29/07/2024 |
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3.1. Data description | |||
Enforcement of immigration legislation data (EIL statistics) contain statistical information based on Article 5 and 7 of the Regulation (EC) No 862/2007 as amended by the Regulation (EU) 2020/851 with reference to third-country nationals:
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3.2. Classification system | |||
See table 3.2. in annex ‘Quality report tables EIL 2023’. |
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3.3. Coverage - sector | |||
Migration and asylum – Enforcement of Immigration Legislation statistics |
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3.4. Statistical concepts and definitions | |||
See table 3.4. in annex ‘Quality report tables EIL 2023’. |
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3.5. Statistical unit | |||
Number of persons. |
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3.6. Statistical population | |||
See table 3.6. in annex ‘Quality report tables EIL 2023’. |
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3.7. Reference area | |||
Switzerland |
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3.8. Coverage - Time | |||
See table 3.8. in annex ‘Quality report tables EIL 2023’. |
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3.9. Base period | |||
Not applicable. |
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Number of persons. |
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Calendar quarter and calendar year. |
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6.1. Institutional Mandate - legal acts and other agreements | |||
The Ordinance on the execution of federal statistical surveys (Ordonnance sur les relevés statistiques) provides the comprehensive legal framework for the collection, processing, and dissemination of federal statistics in Switzerland. This ordinance regulates the execution of statistical surveys and the treatment of collected data, ensuring adherence to national and international statistical principles, including professional independence, objectivity, and confidentiality. Under Article 3b, the Federal Statistical Office (FSO) coordinates cooperation with the statistical service of the European Commission (Eurostat), approving the annual EU-Switzerland statistical program in agreement with relevant federal bodies, as per the Agreement of 26 October 2004 between the Swiss Confederation and the European Community on cooperation in the field of statistics. |
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6.2. Institutional Mandate - data sharing | |||
Data sharing is governed by the Ordinance concerning the execution of federal statistical surveys (RS 431.012.1). The State Secretariat for Migration (SEM) collects data on migration according to uniform rules throughout Switzerland. This data is sent to the SEM, where it is controlled and verified monthly. The SEM coordinates with Eurostat in accordance with European Regulation (EC) No 862/2007, which outlines the rules for the collection and compilation of Community statistics on migration and international protection. This ensures that data sharing and exchange are consistent and comply with both national and European standards. |
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7.1. Confidentiality - policy | |||
The State Secretariat for Migration (SEM) ensures the confidentiality of data through legislative measures and formal procedures. According to the Ordinance concerning the execution of federal statistical surveys (Ordonnance sur les relevés statistiques, RS 431.012.1), Article 3a stipulates that responsible agencies must observe recognized national and international statistical principles, including professional independence, objectivity, and statistical confidentiality. Furthermore, Article 7 mandates that all persons and services involved in executing surveys must treat the collected data confidentially, ensuring data security and preventing unauthorized disclosure. Regarding demands for access to confidential data for scientific purposes, these are subject to European regulations ((EC) No 831/2002). |
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7.2. Confidentiality - data treatment | |||
The SEM applies specific rules to treat data and ensure statistical confidentiality, which prevents unauthorized disclosure. For aggregate outputs, any data about persons (e.g., gender, sex, nationality, residence status) is not published if the total or an intermediate total contains only 1, 2, or 3 observations, thereby maintaining individual confidentiality. |
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8.1. Release calendar | |||
SEM does not release/publish/disseminate EIL statistics in any form. |
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8.2. Release calendar access | |||
Not applicable, see 8.1. |
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8.3. Release policy - user access | |||
Not applicable, see 8.1. |
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Not applicable, see 8.1. |
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10.1. Dissemination format - News release | |||
There is no press release by SEM on EIL statistics. |
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10.2. Dissemination format - Publications | |||
There is no publication by SEM on EIL statistics. |
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10.3. Dissemination format - online database | |||
No data are disseminated online. |
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10.3.1. Data tables - consultations | |||
Not applicable. |
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10.4. Dissemination format - microdata access | |||
No microdata are disseminated. |
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10.5. Dissemination format - other | |||
There are no dissemination formats by SEM on EIL statistics |
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10.5.1. Metadata - consultations | |||
Not applicable. |
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10.6. Documentation on methodology | |||
Not available |
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10.6.1. Metadata completeness - rate | |||
Not applicable. |
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10.7. Quality management - documentation | |||
Not available |
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11.1. Quality assurance | |||
The State Secretariat for Migration (SEM) ensures data quality through a systematic process involving the collection, verification, and correction of data. Data are collected according to uniform rules throughout Switzerland by the police and then sent to the SEM. The SEM conducts monthly controls and verifications of these data. If any discrepancies are identified, the data are sent back to the source for correction. Each person has a Personal Identification Number (PIN), which allows for the linkage of data within our database. This continuous monitoring, correction mechanism, and data linkage ensure the integrity and reliability of the statistical data. |
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11.2. Quality management - assessment | |||
The data validation process at the SEM includes several key procedures to maintain data quality. Totals are checked for consistency to ensure that the figures match across different data sets. Visual validation techniques are employed to verify the accuracy of tables and graphs, allowing for the identification of any anomalies. Each step of data processing includes checks to maintain data integrity, ensuring that errors are prevented. Additionally, procedures are in place to exclude any double counting, ensuring that the final data are accurate and reliable. The use of PINs for data linkage further enhances the accuracy and comprehensiveness of the data. These validation processes confirm that the data collected and processed by the SEM meet high standards of quality. |
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12.1. Relevance - User Needs | |||
The statistics produced by the State Secretariat for Migration (SEM) are used by a wide range of users at national, European, and international levels. National Level: European and International Level: |
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12.2. Relevance - User Satisfaction | |||
No information available. |
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12.3. Completeness | |||
See table 12.3. in annex ‘Quality report tables EIL 2023’. |
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12.3.1. Data completeness - rate | |||
Not applicable. |
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13.1. Accuracy - overall | |||
Overall high accuracy: The reported statistics measure accurately the target population because the database includes all cases. The use of the ZEMIS number and regular checks for duplicates ensure data consistency. |
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13.2. Sampling error | |||
Not applicable. |
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13.2.1. Sampling error - indicators | |||
Not applicable. |
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13.3. Non-sampling error | |||
Not applicable. |
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13.3.1. Coverage error | |||
See table 13.3.1. in annex ‘Quality report tables EIL 2023’. |
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13.3.1.1. Over-coverage - rate | |||
Not applicable. |
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13.3.1.2. Common units - proportion | |||
Not applicable. |
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13.3.2. Measurement error | |||
Not applicable. |
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13.3.3. Non response error | |||
Not applicable. |
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13.3.3.1. Unit non-response - rate | |||
Not applicable. |
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13.3.3.2. Item non-response - rate | |||
Not applicable. |
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13.3.4. Processing error | |||
Not applicable. |
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13.3.5. Model assumption error | |||
Not applicable. |
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14.1. Timeliness | |||
Data is loaded into the data warehouse every morning, providing access to data up to the previous day. This daily data is used for internal purposes. For external, public, and official purposes, we use "historised data," which are finalized and more precise data available after each month is complete. While the time lag between the event and data availability is one day, we wait until the start of the next month to publish them to ensure accuracy and consistency. This time lag cannot be reduced due to technical reasons and the need for reliable data. |
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14.1.1. Time lag - first result | |||
Not applicable. |
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14.1.2. Time lag - final result | |||
Not applicable. |
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14.2. Punctuality | |||
See table 14.2. in annex ‘Quality report tables EIL 2023’. |
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14.2.1. Punctuality - delivery and publication | |||
The delivery of data has experienced a delay of approximately four months due to internal changes. This has affected our ability to meet the originally scheduled release dates. Efforts are being made to address these changes and ensure timely delivery in the future. |
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15.1. Comparability - geographical | |||
Statistics are comparable between all regions of Switzerland. State Secretariat for Migration (SEM) is in charge of accumulating and processing data related to migration for the national territory. |
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15.1.1. Asymmetry for mirror flow statistics - coefficient | |||
Not applicable. |
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15.2. Comparability - over time | |||
See table 15.2. in annex ‘Quality report tables EIL 2023’. |
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15.2.1. Length of comparable time series | |||
Not applicable. |
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15.3. Coherence - cross domain | |||
See table 15.3. in annex ‘Quality report tables EIL 2023’. |
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15.3.1. Coherence - sub annual and annual statistics | |||
Statistics are |
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15.3.2. Coherence - National Accounts | |||
Not applicable. |
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15.4. Coherence - internal | |||
Statistics are consistent within a given dataset. |
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Not available. |
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17.1. Data revision - policy | |||
Not applicable. |
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17.2. Data revision - practice | |||
See table 17.2. in annex ‘Quality report tables EIL 2023’. |
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17.2.1. Data revision - average size | |||
Not applicable. |
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18.1. Source data | |||
See table 18.1. in annex ‘Quality report tables EIL 2023’. |
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18.2. Frequency of data collection | |||
Compilations of the data for Eurostat are made on an annual basis. |
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18.3. Data collection | |||
A national systematic process is followed to gather data for official statistics. |
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18.4. Data validation | |||
The following checks are performed to ensure data validity :
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18.5. Data compilation | |||
Not applicable. |
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18.5.1. Imputation - rate | |||
Not applicable. |
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18.6. Adjustment | |||
Not applicable. |
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18.6.1. Seasonal adjustment | |||
No statistical technique applied. |
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Quality report tables EIL 2023 |