The marriage statistics covers the marriages celebrated in Spain every year. The data are collected in a document named Statistical Marriage Bulletin. The section relating to personal data in this document is completed by the spouses. The civil registry in which the marriage is registered completes the data relating to the registration.
The marriage statistics offers information disaggregated both at the national level and at the level of Autonomous Communities, provinces, capitals and municipalities.
It covers all marriages celebrated in Spain, regardless of whether they are of the resident or non-resident population.
This statistic's basic unit is the marriage celebrated
The population subject to statistical study is all persons who have entered into marriage in Spain
The statistic covers the entire national territory. Data are published broken down at the level of Autonomous Community, provinces, capitals and municipalities with over 50,000 inhabitants
The survey is carried out annually. Results are available from 1900 until 2019.
2005 can also be taken as a start year, as this is the year when same sex marriages were included.
The unit of measurement are the persons who entered into marriage.
Data refer to the calendar year covered by the statistic, regardless of whether data are published by month of celebration of marriage
Data referring to the period: Annual Y: 2018
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 2017-2020, approved by Royal Decree 410/2016, of 31 October, is the Plan currently implemented. This statistical operation has governmental purposes, and it is included in the National Statistics Plan 2017-2020. (Statistics of the State Administration).
Collaboration agreements with the Autonomous Communities for the preparation of the Vital Statistics
It is carried out collaboratively with the Autonomous Communities
The definitive data are released annually. The provisional data are released biannually.
The results of this statistic are released through the INE webpage and some results are covered in publications such as the Anuario Estadistico (Statistical Yearbook), Cifras INE (INE Figures), España en Cifras (Spain in Figures), etc.
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.
All information relating to this statistic (results, methodology, questionnaires, etc.) can be found at:
The provisional data contain a series of tables with the main classifications of marriages at the national level and at the level of the Autonomous Communities, provinces, capitals and municipalities with over 50,000 inhabitants.
The definitive data contain tables with details on the different variables covered by the Statistical Marriage Bulletin.
All the information relating to Basic Demographic Indicators in general can be found at:
The provisional data on marriage rate indicators offer information at the national level and at the level of the Autonomous Communities and provinces for certain variables.
The definitive data on marriage rate indicators offer information at the national level and at the level of the Autonomous Communities and provinces with a greater disaggregation of variables.
Microdata files on this statistic can be accessed and downloaded. These files are anonymised to maintain statistical secrecy.
No information is provided on the following variables:
- Names, surnames, identity documents, residence of spouses
- Registration data of the marriage in the civil registry
- Day variable on all dates
- Codes of municipalities with under 10,000 inhabitants. The size of the municipality is provided.
- Codes of countries with a lower frequency than that established.
- The information can be found at:
Interested users may request specific use of information through the INE Information Area, carried out while preserving the confidentiality of data and by signing the corresponding agreement or document.
A detailed description can be found at:
Sections 10.6 to 17 of this document are considered the user-oriented quality report for this operation.
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.
On the 1 January 2008, a series of reforms for the collection of information on the Marriage Statistics came into force. There are various changes effected, both in forms and in the information flow.
The objectives were the following:
1.- Improve the quality of information in general, including new variables in accordance with the Eurostat recommendations.
2.- Adapt to new information and communication technologies for the collection of information. For this, optical character recognition (OCR) was introduced to record information and a new Statistical Marriage Bulletin was designed for the same purpose.
With the aim of evaluating the quality of information contained in the Statistical Marriage Bulletin, exhaustive checks were carried out in all stages of the statistical process, from the recording of information to its publication.
There is particular emphasis on ensuring that the values of the variables are valid, that there are no inconsistencies between the information received on one marriage and that data on all marriages celebrated in the reference period are received.
Furthermore, the INE's information is compared with that provided by the Ministry of Justice on registrations made in the computerised civil registries. This comparison allows us to correct any errors detected.
Errors and non-responses detected in the variables collected in the Statistical Marriage Bulletin are filtered with information provided by the Ministry of Justice corresponding to the registrations of marriages made in the computerised civil registries. This information is accessible in all provincial delegations of the INE when information is recorded in the Statistical Bulletins. This allows for the filtering and detection of possible lack of coverage with considerable time savings, whilst also minimising non-response.
The information on marriages is used by other INE units, such as:
Demographic Indicators, for the preparation of marriage rate tables
Based on the Resolution of 7 February 2005, of the Under-Secretariat, which provides for the publication of the management delegation of the Secretary of State for Justice to the National Statistics Institute concerning the transmission of computerised data relating to the registration of births, marriages and deaths made in the Civil Registers, the Secretary of State for Justice and the National Statistics Institute have signed, dated 13 October 2004, an agreement which entrusts the latter, on a transitional basis until the end of the
process of computerisation of all Civil Registers, the transmission of computerised data relating to the registration of births, marriages and deaths made in the Civil Registers. The National Statistics Institute, at the request of the Directorate General for Registers and Notaries, may facilitate the
mass transmission of data of public utility to public agencies that hav an interest in them.
Eurostat and United Nations. The information agreed in the meetings of working groups for demographic statistics are sent
Requests from universities, businesses and individuals
The INE has carried out general user satisfaction surveys in 2007, 2010, 2013 and 2016 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)
In the user satisfaction surveys carried out to date, the Demography and Population sector that includes this statistical operation is assessed, which could provide indications regarding users' opinion on the operation.
Information required by users is made available to them, whilst respecting the confidentiality of the information. In the changes to the content of the questionnaires made in 2008, the additional information needs required by other bodies and institutions were considered.
The information covered allows for received requests to be dealt with.
100% of the results requested by the National Statistics Plan are provided
The procedure for the collection, coverage control, filtration and imputation of non-response, allows for a high degree of reliability of the statistics.
Not applicable as the data is obtained in a comprehensive manner from an administrative source (entries in the civil register)
Delays in sending the information by some civil registers and lack of information in some variables of the bulletin. This means that this statistic has a non-response rate of approximately 0.9%
An attempt is made to reduce the non-response rate by obtaining information from the Ministry of Justice file.
The statistic's definitive data are published at the end of the year following the reference year of the information, that is to say, within 12 months.
The provisional data are published six months into the year following the reference year of the information, in other words, within 6 months.
Data dissemination is carried out according to the structural statistics availability calendar prepared and published by the INE every year.
The processing of this statistic in all stages is the same throughout the territory. In this way, results are completely comparable for any geographical disaggregation. Furthermore, they are comparable with the rest of the countries of the European Union as the Eurostat recommendations established for all countries and agreed upon at the meetings of the working group of Demographic Statistics are followed.
The statistical concept of marriage has undergone the smallest change within the VS, as the same concept of marriage has been maintained, that is to say, marriages registered in the civil registry.
However, an important modification was made by Law 13/2005 of 1 July (Official State Gazette of 2 July 2005), which amends the Civil Code regarding the right to marriage. In the aforementioned law, marriages are permitted between persons of the same or different sexes, with complete and equal rights and responsibilities, regardless of the composition of said marriages.
This change means that, since 2005, the Marriage Statistics include both marriages celebrated between persons of the opposite sex and marriages celebrated between persons of the same sex that were not included before the aforementioned year.
The heterosexual marriages series are available from 1900 to 2017. The series covers 118 years.
The same sex marriages series are available from 2005 to 2017. The series covers 13 years.
The marriage figures are coherent with those obtained by the Ministry of Justice in the civil registries.
Coherence between variables are compared at all stages of the statistical process.
As this statistic is based on an administrative register, there is no burden on respondents.
The estimated budgetary appropriation to finance the Vital Statistics (comprised of Death Statistics, Birth statistics and Marriage Statistics), as provided for in the 2019 Annual Programme, is 4.279,78 thousand Euros.
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 definitive data are not reviewed. They are only reviewed if there is an error in the publication.
The provisional data of the first quarter of a year are reviewed once all provisional data are published for the rest of the year. The annual provisional data are reviewed when definitive data are published.
The publication of provisional data is justified by the need to have information on the main variables in a period as close as possible to the reference period. These data are not completely filtered as this stage requires a longer period of time to complete. The main variables are filtered
The provisional data for the first quarter of a year are reviewed once the provisional data for the whole year are published.
The provisional data for the year are reviewed once the definitive data for the year are published.
The statistic's data are obtained from information completed by spouses and the Civil Registry at the time of celebrating the marriage.
The information is covered in the Statistical Marriage Bulletin. Information on the spouses' personal data, the type of marriage (Catholic, exclusively civil, another religion) and the spouses' level of education and profession are obtained from the registration in the Civil Registry.
Data are collected monthly.
The Statistical Marriage Bulletin is completed by the spouses or, failing this, by the person responsible for the civil registry and the registration data by the person responsible for the civil registry.
Once it has been completed by the spouses, it is entered in the civil registry of the municipality where the marriage was celebrated for registration of the same. The civil registry sends its registered bulletins in each month to INE monthly. At INE, the civil registry documentation is received, recorded through optical character recognition and the fields are validated. This information is directly sent to the INE database.
In the statistic's initial stage, its recording through optical character recognition, the application includes the detection of certain errors in the bulletin information, as well as coverage control and detection of duplicate information. These errors must be corrected in the first stage for the information to be included in the marriage database. The objective is to obtain quality levels that make the later filtering and imputation processes of the processing stages faster and less expensive.
The recorded data is filtered at the national level in order to detect inconsistencies, duplicates, lack of information, etc. Following this process an automatic imputation phase is applied for variables with missing or inconsistent information. Once this stage is finished, the statistic's microdata files are obtained, from which publication tables of both marriages and the corresponding marriage rate indicators can be extracted. Furthermore, anonymised microdata files are obtained that are made available to users on the webpage
As this statistic's data come from an administrative register, no adjustments are made