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Population ageing is an objective process that is inevitable in the foreseeable future and irreversible in the short term. Besides globalisation and internationalisation, dynamic development of a knowledge-based economy and innovation stimulation, population ageing is seen as a contemporary socio-economic trend [Alders, Broer, 2005; van de Kaa, 2003]. Undoubtedly, ageing is not only a biological phenomenon but also an inescapable, long, diverse and multi-dimensional process that depends on human beings themselves on the one hand and on a variety of determinants: economic, social, biological, psychological, cultural, historical and ecological on the other hand. It should be noted that this process is not only observable in highly urbanised and developed countries but also in developing ones. While population ageing is only at its preliminary stage in many countries, e.g. Africa or Latin America, it is already affecting socio-economic development and will continue to do so in an intensified way in Europe, the United States and Japan. Therefore, it is becoming a challenge for most European societies, including Poland2. It should be also highlighted that this process is gaining momentum and it is impossible to limit its scale. The population of the elderly is not homogeneous. Recognising its diversity in terms of its characteristics and needs is an important argument in understanding the problem of demographic change as a natural transition process.

Determinants considered by Polish seniors when purchasing food and some durable goods