The source of information was as following: – with regard to buildings and dwellings completed — a report on completed residential buildings and dwellings in non–residential buildings (form B–07), – with regard to dwellings which construction has begun — a report on residential construction (form B–06), – with regard to dwellings for which permits have been granted or which have been registered with a construction project — a report on building permits and registrations with a construction project granted for construction of buildings (form B–05).

The functioning of foster care, including care and education centres, foster families, as well as day-support centres is defined in the Law of Family Support and Foster Care System dated 9 June 2011 (uniform text Journal of Laws 2016 item 575, with later amendments). The Law dated 1 January 2012 changed the rules for organizing foster care.

Basic indices characterising the socio-economic situation of the Capital City of Warsaw, i.a. in terms of the labour market, and wages and salaries, industry, construction and trade. Information is characterized by an attractive form of graphics in the form of cartograms. Information is presented according to selected sections of PKD 2007.