National Institute of Statistics, Italy

Data source(s) used: Migration and calculation of foreign resident population and structure by citizenship : Istat since 2011 has been producing estimates on characteristics (citizenship of origin, gender and age) of the new Italian citizens and on the different ways of access to citizenship (marriage, residence, etc.). The data are also provided to Eurostat for Regulation (EC) 862/2007. The estimates are produced using different data sources. Istat: municipal registry lists Ministry of Interior: datasets on acquisitions of citizenship.

Data source(s) used: University degree courses: The survey is carried out by Ministry of University and Research (Reference date: 31 July). Data concern enrolments, entrants and graduates by single course.Short university courses: The survey is carried out by Ministry of University and Research (Reference date: 31 July). Data concern enrolments, entrants and graduates by single course (short university courses - old programme)

Data source(s) used: Persons registered in and cancelled from the population register due to change of residence:The English description of the source is not available at this time, for methodological details go to the Siqual system

Data source(s) used: Permits of stay to foreigners:The English description of the source is not available at this time, for methodological details go to the Siqual system

Data source(s) used: Migration and calculation of foreign resident population and structure by citizenship The survey allows the calculation of the demographic balance of the foreign resident population and gives the amount of foreign residents for each year. Foreign resident population is represented by individuals who do not have Italian citizenship having usual residence in Italy. It is calculated for each municipality on December 31st of each year that follows the population Census, adding to the foreign population enumerated by the census the foreign population inflows and outflows recorded during each calendar year Other data characteristics: The data may properly be placed in time-series considering, for the years before 2011, the series of demographic balances rebuilt on the basis of the results of the XV General Population and Housing Census, published in the data set "Reconstruction Intercensal.

Data source(s) used: Migration and calculation of foreign resident population and structure by citizenship The survey allows the calculation of the demographic balance of the foreign resident population and gives the amount of foreign residents for each year. Foreign resident population is represented by individuals who do not have Italian citizenship having usual residence in Italy. It is calculated for each municipality on December 31st of each year that follows the population Census, adding to the foreign population enumerated by the census the foreign population inflows and outflows recorded during each calendar year Other data characteristics: Data subject to change for reconstruction after the last Population census

Data source(s) used: Municipal resident foreign population by sex and year of birth: The municipal resident foreigners by age and sex is yearly calculated on 31 December and spread on 1 January of the following year. Other data characteristics: Data for previous years are available in the Inter censuses estimates theme

Data source(s) used: Processing of hospital discharge data Since 1995 the Hospital discharge form became the ordinary instrument to gather information on every patient discharged (including patients died in hospitals) from public and private hospital in the national territory.

Data source(s) used: Nowcast system for demographic indicators: Nowcast of the main statistical indicators aimed at studying the demographic trends of the population. In particular, as regards to fertility behaviour the crude birth rate and the total fertility rate are calculated; as regards to mortality behaviour the crude mortality rate and the life expectancy at birth and at age 65 are calculated; as regards migration behaviour the crude migration rates internal and whit abroad flows are estimated. Finally to get a picture of population ageing the main dependency rates are calculated Other data characteristics: Ageing index is the ratio of the population aged 65 and over and the younger population ( 0 -14 ) years

Data source(s) used: Marriages: The survey on marriages, was established in 1926. It's an individual and exhaustive survey, which collects the data of all the marriages celebrated in Italy and the socio-demographic characteristics of the spouses.The survey uses the Istat D.3 model, compiled by the officer of the municipality where the marriage was celebrated. The model is divided into two parts: the first one collects the information about the marriage: the date, the rite of celebration (religious or civil), and the common property regime chosen by the couple (joint or separated ownership of property); the second one collects information about the spouses: date of birth, place of birth, place of residence at the time of marriage, future place of residence of the spouses, marital status, level of education, occupational status, position in the profession, branch of economic activity, citizenship. Other data characteristics: The indicators that do not involve the use of the population (civil weddings - percentage values, joint ownership of property - percentages, marriages with at least one foreign spouse - percentages, second or later marriages - percentages) were calculated according to three different territorial classification:- According to the classification in force in 2017 (107 provinces);- According to the classification in force at the time of the Census of 2011 (110 provinces);- According to the classification in force in the year in which the marriage was celebrated, in the event that was different from that of 2017 and of the Census of 2011 (103 provinces for 2004 and 2005, 107 provinces for the years ranging from 2006 to 2009).