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Estadística Continua de Población

• 1Contact
  • 1.1Contact organisation
    National Statistics Institute of Spain
    
  • 1.5Contact mail address

    Avenida de Manoteras 50-52 - 28050 Madrid

    
    
• 2Metadata update
  • 2.1Metadata last certified
    01/07/2024
  • 2.2Metadata last posted
    15/02/2024
  • 2.3Metadata last update
    01/07/2024
• 3Statistical presentation
  • 3.1Data description

    The Continuous Population Statistics contain:

    -The population residing in Spain and in family dwellings, in each autonomous community, in each province and on each island, disaggregated according to basic demographic characteristics.

    - The number of households where the population resides in family homes, according to size (number of members) in each province.

    These data are used as reference population figures in all statistical operations carried out by the INE (surveys, National Accounts, indicators, etc.) and are transmitted internationally as official data on the population of Spain for all purposes.

    These data are used as reference population figures in all statistical operations carried out by the INE (surveys, National Accounts, indicators, etc.) and are transmitted internationally as official data on the population of Spain for all purposes. All of this makes up the historical series of population figures in Spain.

    The population series in family dwellings and households will start with data from 2021.

    Additionally, these statistics provide information to partly explain the population change in each quarter. These are external migratory movements (with foreign nationals) for the main nationalities or countries of birth.

    These will be initial movements, as they consist only of a count of some types of changes of registration or deregistration in the continuous Register. These results, as they are produced almost immediately, should be considered partial results, which will allow us to see the evolution of the flows of each quarter, rather than the absolute values. They will be provided from 2023, with the commencement of the statistics.

    These migratory flows are not intended to be provisional results of the definitive migratory flows that will be provided at the end of the year in the Migration and Changes of Residence Statistics (EMCR), since at the time of obtaining the CPS we will not have the census information necessary to adjust the migratory flows of the EMCR.

  • 3.2Classification system
    • Clasificaciones utilizadas

      Lists are used from the autonomous communities, provinces, municipalities and countries of nationality and birth, in accordance with the INE's standards.

  • 3.3Sector coverage

    Demography and population

  • 3.4Statistical concepts and definitions
    • Age
      Age in years refers to the number of birthdays reached by the reference date, in other words, the age last birthday.
    • Citizenship
      Citizenship is defined as the particular legal bond between an individual and his/her State,, acquired by birth or naturalisation, whether by declaration, option, marriage or other means according to the national legislation.
    • Family dwelling
      A dwelling designed to be inhabited by one person or more who do not constitute a group, regardless of the links between them.
    • Household according to residence criterion
      A human group formed by one or more persons who regularly reside in a family dwelling for the entire year or most of it. There does not necessarily have to be kinship relations among the members of the group.
    • Place of birth
      Place where a person was born, in other words, the place of habitual residence of the mother at the time of birth, determined on the date of collecting data.
    • Resident population
      The population resident in a given geographical scope is defined as those persons who, on the reference date, have established their usual residence therein.
    • Sex
      Sex refers to the biological sex of the person. According to the WHO, "sex" refers to biological and physiological features defining to men and women, whereas "gender" refers to the roles, behaviour, activities and attributes constructed socially that a specific culture regards as appropriate for men and women. In accordance with this description, the WHO regards "man" and "woman" as sex categories, whereas "male" and "female" are gender categories.
    • Size of the household
      Number of members of the household
    • Usual residence
      Place where a person normally spends rest periods, not taking into account temporary absences due to leisure trips, holidays, visits to family and friends, business, visiting friends or relatives or religious pilgrimages. Nevertheless, it is important to highlight that only usual residents in a region will be considered:
      
      - Those who, according to the previous definition, would usually have lived therein for a continuous period of at least 12 months.
      
      - Those who, according to the previous definition, would have established their usual residence therein less than 12 months ago, but with the intention of remaining therein for at least one year.
      
      Where the above circumstances cannot be established, "usual residence" shall mean the place of registered residence.
  • 3.5Statistical unit

    People and households.

  • 3.6Statistical population

    There are several types of population statistics:

    - Population residing in Spain

    - Population residing in family dwellings (in Spain); this is a subset of the aforementioned population.

    - Households: households in which the population residing in family dwellings live.

    In addition, external migrations can be considered a subset of the resident population in Spain: emigrations would have as their statistical population the group of people who habitually reside in Spain and emigrate abroad and, similarly, immigrations would have as a statistical population the group of people who, coming from abroad, go on to establish their habitual residence in Spain.

  • 3.7Reference area

    The statistics cover the whole of the national territory, and are disseminated for the national total, for each of the autonomous communities and cities, and for provinces. It will also be disaggregated by islands (in island provinces) for population series.

  • 3.8Time coverage

    1- Resident population:

    Since 1 January 2002 (for some series since 1971).

    Up to 1 January 2021 they coincided with the former Population Figures series, which in turn coincides as and from 1 January 2021 with the 2021 census. Since then, the data are those of the new own methodology of the Continuous Population Statistics (CPS), although they cover the entire previous population records.

    2- Resident population in family dwellings and the number of households.: since 2021, tying up from 1 January 2021 with the data of the 2021 census.

    3- Migrations: since 2023.

  • 3.9Base period

    1 January 2021

• 4Unit of measure
  • 4.1Unit of measure

    Number of people and number of households.

• 5Reference period
  • 5.1Reference period

    Data referring to the period: Quarterly A: 2023 TRI: I

    In addition to the latest published data, referring to a new quarter, data for the entire series are offered with a dual periodicity:

    - Twice a year: resident population data will refer to 1 January and 1 July of each year, from 2002 onwards (for some series since 1971), which coincide with the former Population Figures series, and which contains the decennial population censuses up to 2021, as well as the intercensal population estimates between two consecutive censuses.

    - Four times a year: the resident population data and the rest of the series refer to 1 January, 1 April, 1 July and 1 October, starting in April 2021, with the commencement of the new methodology of the Continuous Population Statistics (CPS), in the strict sense.

• 6Institutional mandate
  • 6.1Legal acts and other agreements

    The compilation and dissemination of the data are governed by the Statistical Law No. 12/1989 "Public Statistical Function" of May 9, 1989, and Law No. 4/1990 of June 29 on “National Budget of State for the year 1990" amended by Law No. 13/1996 "Fiscal, administrative and social measures" of December 30, 1996, makes compulsory all statistics included in the National Statistics Plan. The National Statistical Plan 2009-2012 was approved by the Royal Decree 1663/2008. It contains the statistics that must be developed in the four year period by the State General Administration's services or any other entity dependent on it. All statistics included in the National Statistics Plan are statistics for state purposes and are obligatory. The National Statistics Plan 2021-2024, approved by Royal Decree 1110/2020, of 15  December, is the Plan currently implemented. This statistical operation has governmental purposes, and it is included in the National Statistics Plan 2021-2024. (Statistics of the State Administration).

    
    

    The compilation, processing and dissemination of the data of statistical operations are governed by the Law 12/1989, of May 9, 1989, on the "Public Statistical Function" (LFEP), and in the Fourth Additional Provision of the Law 4/1990 of 29 June. The LFEP establishes that the National Statistics Plan is the main organising instrument of the State Administration's statistical activity and it contains the statistics that must be developed in the four year period by the State General Administration's services or any other entity dependent on it. All the statistics included in the National Statistical Plan are statistics for state purposes and are mandatory. The National Statistics Plan 2021-2024, approved by Royal Decree 1110/2020, of 15 December, is the plan currently in force. This operation is a statistic for state purposes and is included in the National Statistics Plan 2021-2024.

    In addition, the ECP is subject to the Regulation 1260/2013 of the European Parliament and of the Council on European Demographic Statistics., with regard to the provision of data on the resident population.

    The Spanish version of this regulation is accessible at www.ine.es/normativa/leyes/UE/minine.htm#30321

  • 6.2Data sharing
    The exchanges of information needed to elaborate statistics between the INE and the rest of the State statistical offices (Ministerial Departments, independent bodies and administrative bodies depending on the State General Administration), or between these offices and the Autonomic statistical offices, are regulated in the LFEP (Law of the Public Statistic Function). This law also regulates the mechanisms of statistical coordination, and concludes cooperation agreements between the different offices when necessary.
    

    The exchange of data between the INE and the other statistical services of the State (ministerial departments, autonomous bodies and public entities of the State Administration), as well as between these and the statistical services of the Autonomous Communities for the development of the statistics that have been entrusted to them, are regulated in the LFEP. The LFEP also establishes the statistical coordination mechanisms between administrations, as well as the conclusion of collaboration agreements when deemed appropriate.

    The data of the Continuous Population Statistics will also be supplied to international bodies (EUROSTAT, the United Nations, the OECD, etc.) as official population data of Spain for all purposes.

• 7Confidentiality
  • 7.1Confidentiality - policy

    The Statistical Law No. 12/1989 specifies that the INE cannot publish, or make otherwise available, individual data or statistics that would enable the identification of data for any individual person or entity. Regulation (EC) No 223/2009 on European statistics stipulates the need to establish common principles and guidelines ensuring the confidentiality of data used for the production of European statistics and the access to those confidential data with due account for technical developments and the requirements of users in a democratic society

    
    
  • 7.2Confidentiality - data treatment
    INE provides information on the protection of confidentiality at all stages of the statistical process: INE questionnaires for the operations in the national statistical plan include a legal clause protecting data under statistical confidentiality. Notices prior to data collection announcing a statistical operation notify respondents that data are subject to statistical confidentiality at all stages. For data processing, INE employees have available the INE data protection handbook, which specifies the steps that should be taken at each stage of processing to ensure reporting units' individual data are protected. The microdata files provided to users are anonymised.
    

    The INE takes the necessary logical, physical and administrative measures to ensure there is effective protection of confidential data, from data collection to publication.

    The survey questionnaires include a legal clause that informs users about the protection that covers the data collected.

    In the information processing phases, data that provide direct identification are only kept as long as they are strictly necessary to guarantee the quality of the processes.

    In the publication of the results tables, the details of the information are analysed to prevent confidential data from being deduced from the statistical units. In cases where microdata files are provided to users, they are anonymised.

    No additional confidentiality measures have been adopted to those already indicated as usual in all INE operations.

• 8Release policy
  • 8.1Release calendar

    The advance release calendar that shows the precise release dates for the coming year is disseminated in the last quarter of each year.

    
    
  • 8.2Release calendar access

    The calendar is disseminated on the INEs Internet website (Publications Calendar)

    
    
  • 8.3User access

    The data are released simultaneously according to the advance release calendar to all interested parties by issuing the press release. At the same time, the data are posted on the INE's Internet website (www.ine.es/en) almost immediately after the press release is issued. Also some predefined tailor-made requests are sent to registered users. Some users could receive partial information under embargo as it is publicly described in the European Statistics Code of Practice

    
    
• 9Frequency of dissemination
  • 9.1Frequency of dissemination

    Quarterly

• 10Accessibility and clarity
  • 10.1News release

    The results of the statistical operations are normally disseminated by using press releases that can be accessed via both the corresponding menu and the Press Releases Section in the web

    
    
  • 10.2Publications

    All the information related to this operation can be accessed via the link to the INE website:

    https://www.ine.es/dyngs/INEbase/es/operacion.htm?c=Estadistica_C&cid=1254736177095&menu=ultiDatos&idp=1254735572981

  • 10.3On-line database

    INEbase is the system the INE uses to store statistical information on the Internet. It contains all the information the INE produces in electronic formats. The primary organisation of the information follows the theme-based classification of the Inventory of Statistical Operations of the State General Administration . The basic unit of INEbase is the statistical operation, defined as the set of activities that lead to obtaining statistical results on a determined sector or subject based on the individually collected data. Also included in the scope of this definition are synthesis preparation.

    
    

    INEbase is the system the INE uses to store and publish statistical information on the Internet. It contains all the information that the INE produces in electronic format. It is organised by basically following the theme-based classification of the Inventory of Statistical Operations of the State General Administration. The basic unit is the statistical operation, defined as the set of activities that lead to obtaining statistical results on a determined sector, topic or territory.

    The results and documentation related to this operation are available for consultation at:

    https://www.ine.es/dyngs/INEbase/es/operacion.htm?c=Estadistica_C&cid=1254736177095&menu=resultados&idp=1254735572981

    During the year 2023, 660263 accesses to the Continuous Population Statistocs operation were recorded on the website.

    AC1=660263.

  • 10.4Micro-data access
    A lot of statistical operations disseminate public domain anonymized files, available free of charge for downloading in the INE website Microdata Section
    

    The CPS will disseminate a series of aggregated results in a set of tables. Microdata in this respect are therefore not available.

  • 10.5Other

    This operation makes it possible to respond to requests for customised information that are not covered in its results tables, subject in all cases to a feasibility study by the INE.

    The request is made via the User Assistance Service:

    https://www.ine.es/prodyser/informacion

  • 10.6Documentation on methodology

    The methodology of the operation can be accessed at:

    https://www.ine.es/dyngs/INEbase/es/operacion.htm?c=Estadistica_C&cid=1254736177095&menu=metodologia&idp=1254735572981

  • 10.7Quality documentation

    Fields 10.6 to 17.2 of this document are considered the user-oriented quality report for this operation.

• 11Quality management
  • 11.1Quality assurance

    Quality assurance framework for the INE statistics is based on the ESSCoP, the European Statistics Code of Practice made by EUROSTAT. The ESSCoP is made up of 16 principles, gathered in three areas: Institutional Environment, Processes and Products. Each principle is associated with some indicators which make possible to measure it. In order to evaluate quality, EUROSTAT provides different tools: the indicators mentioned above, Self-assessment based on the DESAP model, peer review, user satisfaction surveys and other proceedings for evaluation.

    
    

    The quality assurance framework for INE statistics is based on the EUROSTAT's ESSCoP, European Statistics Code of Practice. The ESSCoP consists of 16 principles, grouped in three areas: Institutional Environment, Processes and Products. Each principle has a linked series of indicators that allow it to be measured. Various tools provided by Eurostat are used to assess quality: the aforementioned indicators, the Self-Assessment inspired by the DESAP model, Peer Review, the User Satisfaction Surveys, and other assessment procedures.

    The Continuous Population Statistics are prepared using all available information on recent demographic developments. It is based on:

    Data from public administration agencies:

    • Continuous municipal register the changes contained in the Municipal Register are already filtered and validated for the register base maintenance and management, as well as for the construction of population censuses.

    Other operations that have already been performed:

    • Population censuses and Population Figures: the final result is used, which means fully processed data is used.

    • Births and deaths: They are already filtered and validated previously for the compilation of the VS, the EMN and the EDeS statistics.

    Therefore, their quality is dependent on the quality of these statistics and administrative data, which include data that has been filtered and processed statistically.

    In addition, consistency is ensured between all data at the published disaggregation level: by sex, age, generation, nationality and country of birth for the different territorial levels (national total, autonomous communities, provinces and islands).

  • 11.2Quality assessment

    The complete consistency of the data of the Continuous Population Statistics (formerly, the Population Figures) with those of the various population censuses (every ten years up to 2021, called the Population and Housing Census, and annual since 2022, called the Population Census), is guaranteed.

    The quality of this statistic is primarily derived from the quality of the sources that feed it, including, in addition to censuses, data from the municipal register, intercensal estimates (up to 2022 framed in the Population Figures operation and thereafter in the CPS), and birth and death statistics.

• 12Relevance
  • 12.1User needs

    These data, together with the figures from the successive population censuses carried out in Spain and the intercensal population estimates that link to them, make up the series of resident population in Spain, in each autonomous community, in each province and/or on each island. Their first user is the national statistical system itself: in particular, they are used by the INE as reference figures in all its statistical products (surveys, National Accounts, indicators, etc.). They are also available to all users who need to analyse the demographic evolution of the country or be used, in turn, in the production or analysis of other types of statistical information. In addition, these figures are those used by international organisations as the official population of Spain for all purposes.

    More detailed geographical information, as well as information on other variables, is available for the populations as of 1 January, coinciding with the population censuses, in the section of the INE website devoted to them.

  • 12.2User satisfaction

    The INE has carried out general user satisfaction surveys in 2007, 2010, 2013,  2016 and 2019 and it plans to continue doing so every three years. The purpose of these surveys is to find out what users think about the quality of the information of the INE statistics and the extent to which their needs of information are covered. In addition, additional surveys are carried out in order to acknowledge better other fields such as dissemination of the information, quality of some publications...

    On the INE website, in its section Methods and Projects / Quality and Code of Practice / INE quality management / User surveys are available surveys conducted to date.(Click  next link)

     

    
    
  • 12.3Completeness

    This operation provides all the information required by the Regulation 1260/2013 of the European Parliament and the Council of Europe on European demographic statistics with regard to resident population figures.

    The rate of mandatory results available is therefore 100% (R1=100%).

• 13Accuracy and reliability
  • 13.1Overall accuracy

    No measurements are available of the accuracy of the results of this operation. However, this operation is prepared on the basis of the information provided by the official administrative data of the Municipal Register and by other official administrative sources of a thematic nature (educational, labour, etc.), so the accuracy of its results depends on that of the sources of information used.

    As the Continuous Population Statistics are a statistical operation based on data obtained from official administrative sources, sampling errors do not arise. Non-sampling errors may come from both the sources used and the processing of the information itself in this operation, such as a certain delay in the arrival of the data, especially for provisional estimates. Direct measurement of accuracy is not considered possible in this case. The main instrument for analysing accuracy is the analysis of the revisions. Revisions show the degree of proximity between successive estimators of the same value, and it is reasonable to assume that the estimators converge to the true value when based on better, more reliable data. (See 17.2)

  • 13.2Sampling error

    Not applicable to this operation, as it is a statistic based on official administrative sources, and not a sample survey.

  • 13.3Non-sampling error

    The Continuous Population Statistics are a statistical operation based on data obtained from administrative sources and other statistical operations (see section 18.1), so errors outside the sampling of this statistical operation will be those derived from these sources: the Municipal Register, the Censuses and the intercensal population estimates and the statistics of births and deaths.

• 14Timeliness and punctuality
  • 14.1Timeliness

    These results are published quarterly, referring to 1 January, 1 April, 1 July and 1 October of each year. Each new reference date will be disseminated in a first provisional publication, no later than 45 days after the reference date. That is, TP1=1.5 months.

    With regard to the population and household series (the migration series is not revised), each time there is a new publication, the provisional data series since the last census is updated.

    The resident population is updated with the population censuses, which are annual, but the population in family homes and households is updated as definitive with new household censuses, which are performed multi-yearly.

    This means that, in a normal year (from 2024 onwards, as in 2023 the final data for two years instead of one are updated), the number of provisional publications for a given date varies between 4 and 7. The delay in publication shall be a maximum of 1.5 months for the first provisional publication, with an additional 3 months for each additional publication of provisional data.

    Regarding the final data, as the publication is quarterly, but four reference dates are made definitive at the same time, (in the case of the resident population), the time of opportunity will be different for each of them. That is to say, in general, in a generic year t, when the new population census is taken (in December of year t with a reference date of 1 January of year t), the four dates 1-April-(t-1), 1-July-(t-1) will be updated in the first half of February of t+1. 1-October-(t-1) and 1-January-t.

    Thus, the indicator that measures the time until definitive data are produced works out as::

    TP2 (1-April-(t-1)) = 22.5 months (= 9 +12 + 1.5)

    TP2 (1-July-(t-1)) = 19.5 months

    TP2 (1-October-(t-1)) = 16.5 months

    TP2 (1-January-t) = 13.5 months

    The population in family dwellings and households will become definitive later than the population, so the time intervals between provisional and definitive data will be different.

    The migration series is not reviewed, so it only has TP2 = 1.5 months.

  • 14.2Punctuality

    This operation is disseminated within the period established in the INE's structural statistics calendar (TP3=0; it is published without delay).

• 15Coherence and Comparability
  • 15.1Comparability - geographical

    The results are completely consistent across the territory, at all levels of disaggregation, as they are calculated at the most disaggregated level possible, and the totals are obtained by aggregating results.

    In addition, they are calculated based on the definitions established in the European Regulation 1260/2013 on European demographic statistics, and sponsored, in turn, by the United Nations, which is conducive to their international comparability.

  • 15.2Comparability - over time

    The resident population series will cover two periods:

    • Until 1 January 2021: from 1 January 2002 (some series from 1971) until 1 January 2021. It will coincide with the population censuses and cover all their intercensal estimates. For each year it has two reference dates, 1 January and 1 July. Previously, these data were part of the Population Figures operation.

    • From 1 April 2021: for each year, data are provided for four reference dates: 1 January, 1 April, 1 July and 1 October, with the CPS's own methodology.

    Thus, the Continuous Population Statistics constitutes the series of resident population in Spain since 2021.

    The temporal comparability of the rest of the series will be:

    • Resident population in family homes and households: quarterly data starting on 1 January 2021

    • External migrations: quarterly data starting in the first quarter of 2023.

    Thus, we will have a different length for each type of series, taking into account up to the first publication of the year:

    • CC2 (ECP-Resident population) = 113
    • CC2 (ECP-Population residing in family dwellings) = 13
    • CC2 (ECP-Number of households) = 13
    • CC2 (ECP-External migration) = 4
  • 15.3Coherence - cross domain

    The Migration and Changes of Residence Statistics (EMCR) are compiled following the concepts and definitions established by Eurostat in Regulation 1260/2013 of the European Parliament and of the Council on Migration and International Protection Statistics, which is conducive to their international comparability.

    The CPS is fully consistent with all population censuses (coinciding with 1 January), because when a new census is available, the CPS takes that value on that date, and the data at different times of the year are consistently estimated between two consecutive censuses.

    The Continuous Population Statistics - or an advance estimate thereof if the established calendar requires it- are used in the INE for the generalisation of statistical production based on sample surveys aimed at households (calculation of elevation factors and calibration), as well as the calculation of the most diverse statistical indicators that require population data and the National Accounts. They are, therefore, consistent with the data provided by said sources.

  • 15.4Coherence - internal

    The data are fully consistent both inter-territorially and demographically.

• 16Cost and burden
  • 16.1Cost and burden

    These statistics are prepared on the basis of official administrative sources. It does not require for this purpose the collaboration of reporting units and does not incur data collection costs.

    The estimate of the budgetary resources necessary to finance this statistic provided for in the 2024 Annual Programme of the National Statistical Plan 2021-2024 is 270.45 thousand euros.

• 17Data revision
  • 17.1Data revision - policy

    The INE of Spain has a policy which regulates the basic aspects of statistical data revision, seeking to ensure process transparency and product quality. This policy is laid out in the document approved by the INE board of directors on 13 March of 2015, which is available on the INE website, in the section "Methods and projects/Quality and Code of Practice/INE’s Quality management/INE’s Revision policy" (link).

    This general policy sets the criteria that the different type of revisions should follow:  routine revision- it is the case of statistics whose production process includes regular revisions-; more extensive revision- when methodological or basic reference source changes take place-; and exceptional revision- for instance, when an error appears in a published statistic-.

    
    

    The INE has a Policy that regulates the basic aspects of the revision of statistical data, guaranteeing the transparency of the processes and the quality of the products. This policy is described in the document approved by the Board of Directors at the meeting held on 13 March 2015. The document is available in the section of Methods and Projects/Quality and Code of Best Practices/INE Quality Management/Revision policy of the National Institute of Statistics"(link).

    This general policy sets out the criteria to be followed for different types of revisions routine in cases of statistics which are regularly revised by their nature; major revisions, due to methodological changes or changes in baseline sources of statistics; and exceptional revisions (for example, those due to an error in published statistics).

    Revisions are dependent on the availability of new data for the reference date. A new quarter is published in each publication, along with the update of all previous provisional data since the last published census. This results in several provisional data points for each reference date (which will vary in number depending on the date within the year). When there is a new census, all the data from the previous year become definitive.

    Only the external migrations of each quarter are not reviewed, as they are indicative of population growth, and thus are comparable with what was provided in previous quarters.

  • 17.2Data revision - practice

    The MAR, RMAR and MR indicators, which measure the magnitude of the revisions, are not yet available, as the CPS began to be published in 2023 and there are no data for their calculation.

• 18Statistical processing
  • 18.1Source data

    The Continuous Population Statistics are prepared using all available information on recent demographic developments

    - Continuous Municipal Register: he changes contained in the Municipal Register are already filtered and validated for the register base maintenance and management, as well as for the construction of population censuses. However, when they are used for the construction of provisional CPS data, especially the most recent ones, they may be recorded later than their reference date. That is why a system of revisions of the provisional data of the CPS is established.

    - Population Censuses: the final result is used, so these data are fully consolidated, and they help us to construct the final data of the CPS for a new year.

    - Births and deaths: they are already filtered and validated internally for the preparation of the birth statistics of the NPM, MNE and EDeS and/or their previous internal estimates. Moreover, in this case, some imputation of the variable for births is necessary, due to the fact that they have a high degree No Record found; To this end, the main sources are the laws and agreements with the various countries regarding the parents' nationality and country of birth.

  • 18.2Frequency of data collection

    Monthly

  • 18.3Data collection

    All the information used in the CPS is obtained from data held by the INE, either official administrative data such as the Municipal Register or from statistical operations carried out. For this reason, one can refer to each of these sources for the explanation of their original collection method.

  • 18.4Data validation

    Multiple analyses are carried out of the coherence of the evolution of the series of the Continuous Population Statistics and of these with the data of the different demographic statistical sources.

  • 18.5Data compilation

    To sum up, the methodology for calculating the resident population series will be different for definitive data and for provisional ones:

    a) Definitive data: the populations on 1 January will coincide with those of the annual censuses; in this way, when a new census is obtained, the definitive quarterly populations of the previous year are calculated (on 1 April and July, October) working backwards between the latest two censuses, which will correct provisional populations that were published previously during prior periods. This calculation is based on the operations relating to the censuses for every 1 January, and on the municipal population register movements that take place every quarter for the intermediate dates of the year. In addition, it will be necessary to resort to births and deaths derived from the Vital Statistics for better data accuracy.

    b) Provisional data: the starting point will be the population published in the most recent census, and from there, the evolution observed in the main source will be applied, which will be the changes recorded in the Continuous Register, as well as an internal estimate of births and deaths from the EMN and EDeS statistics, for a better adjustment of the data. Each time a new quarter is published, the entire provisional series published will be updated as of the last census, because the data is more and more consolidated each time. This will allow corrections of populations to be progressive, leading a smaller leap when a correction takes place as a result of a new census.

    The methodology for the calculation of the population residing in family homes and households series will be obtained by applying a proportion of the groups observed in the censuses

    Migrations will not be revised, as they are not intended to be a provisional estimate of those that will be obtained at the end of the year with the Statistics on Migrations and Changes of Residence, but to give a quick and qualitative estimate that allows the evolution of external migrations of the main nationalities or countries of birth to be analysed, which may differ quantitatively from the final external migrations given by the SMCR. These will contain the consistent migrations between two consecutive censuses, which cannot be known a priori. They are a simple tally of the following changes in the municipal register:

    External immigration:

    • Additions due to Change of Residence from abroad
    • Additions due to Omission: Only foreign nationals are considered, as they are deemed more likely to be associated with foreign immigration.

    Foreign emigration:

    • De-registrations due to Change of Residence going abroad
    • De-registrations due to Expiry: Note that only some foreign nationals are involved.
    • De-registrations due to Improper Registration: Only foreign nationals are considered, as they are considered more likely to be associated with foreign immigration.
  • 18.6Adjustment

    No adjustment of any kind is made to the results obtained.

• 19Comment
  • 19.1Comment