Welcome to the online proceedings of the international conference: The 15th International Days of Statistics and Economics.

The 15th International Days of Statistics and Economics was organized by:

• The Department of Statistics and Probability and the Department of Managerial Economics, Prague University of Economics and Business, Czech Republic
• Faculty of Economics, The Technical University of Košice, Slovakia
• The Ton Duc Thung University, Ho Chi Minh City, Vietnam

The aim of the Conference was to present and discuss current problems of Statistics, Demography, Economics and Management and their mutual interconnection.

This conference proceedings contain contributions of the conference participants which were presented during both days of the conference. All these contributions have successfully passed the double-blind peer-review process.

The conference was organized with the financial support of the Faculty of Business Administration, University of Economics and Business, Prague (project No. IGS 57/2021).

The conference was organized with the financial support of the Faculty of Informatics and Statistics, University of Economics and Business, Prague (project No. IGS 18/2021).