Integration of Geography and Statistics in Europe – State of Progress Based on the GEOSTAT 2 survey Jerker Moström, Statistics Sweden Amelia Wardzińska-Sharif, Statistics Poland EFGS conference Vienna November

Background The aim of GEOSTAT 2: a better integration of statistics and geospatial information to provide more qualified descriptions and analyses of society, economy and environment! Propose model for a national (point based) geospatial reference frameworks for statistics, building on national address, buildings and/or dwelling registers To make recommendations relevant and useful, a survey has been carried out to assess different geocoding practices across Europe 2 EFGS conference Vienna November

Structure of the survey Webbased questionnaire Created, managed and processed by Statistics Poland In total 38 questions Mostly pre-defined questions (single or multiple choice) NSIs target group but NSIs were encouraged to consult NMCAs in case they could not answere the questions themselves EU/EFTA, candidate countries and potential candidates 3 EFGS conference Vienna November

EFGS 2015 Vienna Conference 4 Response - 36 countries responded - 86 percent of target countries - 94 percent of ESS countries

Content of the survey The content of the survey can be roughly divided in the following sub-domains: Existence of, and possible access to, registers or other datasets used to spatialize statistics Geocoding practice and actual use of geospatial data in the statistical process Responsibility for creation and maintenance of geospatial information Circumstances preventing and/or facilitating production of spatial statistics 5 EFGS conference Vienna November

According to your experience does the following two set of point data represent the complete basis for points based statistics: 1) coordinates of address points* and/or building points and 2) coordinates of cadastral parcels? 6 EFGS conference Vienna November Other data sources: georeferenced building register precise location of agricultural holdings, road network with road names, mobile household locations, environmental reports 2 countries did not provide an answer (6) (28)

Are there any sources of data for which it is possible to retrieve spatial location of its units with coordinate accuracy (points) in your country? 7 EFGS conference Vienna November

The largest cover by features % confirm: 20 countries for parcels 21 for buildings 22 for address. 8 EFGS conference Vienna November Does the sources of data encompass the following features and to what percentage do they cover your country?

9

Population data and dwelling data Approximately ¾ of the countries possess both person and dwelling registers more than half of the countries have a single standardized identifier that connects persons to dwellings This is a surprisingly good result. It was expected that most countries would connect persons to dwellings via multiple address attributes. 10 EFGS conference Vienna November

Access to persons and dwelling registers 11 EFGS conference Vienna November Specific cases: access only to building / dwelling register, address register being under construction, restricted access to population data, census datasets. 76% of countries has access to persons and dwelling registers (free or payment basis)

Scope of other registers or administrative data (business register, population register, tax files etc) that were geocoded and what was the percentage of the successful combination at national scale? 26 countries (93% of those who provided the answer to this question) have geocoded basic indicators from housing and population censuses (total population, number of dwellings etc ) on the level % 12EFGS conference Vienna November

Who conducted the process for data pairing? 13EFGS conference Vienna November In 64% cases (18 countries) NSI conducted the process for data pairing without outside help. Three countries conducted the process for data pairing by NSI cooperating with map and cadastral agencies.

What is the lowest possible geographical level to which you can geocode population distribution information? 14EFGS conference Vienna November In 58% (19) countries: single points (coordinates) such as address locations, buildings or locations of real cadastral parcels. In 58% (19) countries: single points (coordinates) such as address locations, buildings or locations of real cadastral parcels.

15EFGS conference Vienna November Who is responsible for creating and maintaining the key point-based geospatial data that you use for geocoding statistics in your NSI? Shared responsibility seems to be the most frequent model for maintaining key point- based geospatial data.

Conclusions Strong development in recent years in many countries! Current situation regarding existence of data to spatialize statistics is better than we expected Address locations, buildings/dwellings and cadastral parcels are considered ”core data” for spatializing statistics Problems in the institutional sphere: scarce resources, lack of knowledge and poor cooperation between institutions Problems in the technical sphere: inconsistencies in geospatial and statistical information restricting geocoding 16 EFGS conference Vienna November

Questions How to improve cooperation between institutions? –To increase access to data? –To link administrative or statistical information to spatial data? How to improve the capacity to produce and use spatial statistics (capacity building/transfer of knowledge)? –Within countries: NMCAs –NSIs? –Country to country? –The role of Eurostat, EFGS, UN GGIM Europe etc? 17 EFGS conference Vienna November