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THESIM - Towards Harmonised European Statistics on International Migration

The project intended to tackle the problem of international migration statistics being among the less reliable statistics within the field of socio-economic and demographic data.

• To compare definitions and concepts related to international migration
• To analyse available data in order to see what the data already reveals and where are the main problems in terms of reliability and comparability
• To integrate data on asylum with data on flows and stocks in order to get the more reliable information on de facto international migration within each country
• To describe and analyse all efforts done on bilateral and international levels in order to improve the situation and to identify impact of low reliability and lack of comparability on policy implementation
• To propose practical recommendations on the way to improve the situation after discussion with all potential data providers and data users for migration policy development

• Organisation of 25 national meetings
• Elaboration of 25 country reports on the national situation, as far as data collection on international migration, asylum, residence permits, citizenship and the so-called data collection of data suppliers and policy makers 'CIREFI' is concerned.

Duration: 2004-2005
Funded by: 6th Framework Programme (European Commission, DG Research)
Contact: Veronika Bilger, Albert Kraler (ICMPD)

Project Partners:
Central European Forum for Migration Research - CEFMR (PL), Groupe d'études de Démographie Appliquée/ Université Catholique de Louvain - UCL/Gédap (BE), International Cooperation Center for statistics - Luigi Bodio (IT), Institut National d´Etudes Démographiques - INED (FR), Netherlands Interdisciplinary Demographic Institute - NIDI (NL), Statistical Office (EE)


Poulain, Michel/Perrin, Nicloas/Singleton, Ann (2006): THESIM: Towards Harmonised
European Statistics on International Migration, Presses universitaires de Louvain.

Kraler, Albert (2005): Data Needs from a Policy Perspective. The Case of the 
European Union. Joint EUROSTAT/UNECE seminar on migration statistics, Geneva. 
Working Paper Nr. 2. Geneva: UNECE.
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