​International scientific cooperation (selected institutions and organizations):

• OECD,
• The European Association for Population Studies (EAPS),
• EUROSTAT,
• The International Statistical Institute (ISI),
• The International Institute for Applied Systems Analysis (IIASA),
• The International Union for the Scientific Study of Population (IUSSP),
• University Leicester (Great Britain),
• KU Louvain (Belgium),
• University of Ottawa (Canada),
• Universita "Luigi Bocconi" (Italy),
• Universite Paris I (Sorbonne, France),
• University of Minnesota (USA),
• University Strathclyde Glasgow (Great Britain),
• CNR - IAMI Milan (Italy),
• Common Software Measurement International Consortium (COSMIC),
• Centre for International Research on Economic Tendency Surveys (CIRET).

Polish scientific cooperation (selected institutions and organizations):

• Committees and Institutes of Polish Academy of Science:
• Instytut Badań Systemowych (Institute of System Research), 
• Instytut Matematyczny (Mathematical Institute), 
• Instytut Nauk Ekonomicznych (Institute of Economic Sciences), 
• Instytut Podstaw Informatyki (Institute of Foundations of Computer Science),
• Główny Urząd Statystyczny (Central Statistical Office),
• Centrum im. Adama Smitha (Adam Smith Center),
• Instytut Badań nad Gospodarką Rynkową (Institute of Market Economy Research),
• Instytut Spraw Publicznych (Institute of Public Affaires),
• Uniwersytet Warszawski (Warsaw University),
• Akademie ekonomiczne (Economics academies),
• Towarzystwa naukowe (Scientific societies):
• Towarzystwo Ekonomistów Polskich (Polish Economists Society), 
• Polskie Towarzystwo Demograficzne (Polish Demographic Society), 
• Fundacja im. Stefana Batorego (Stefan Batory Fundation).