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Negative trends in the development of the rural population in Bulgaria are associated with accelerated decline in its numbers, its uneven spatial distribution and permanent alterations in its structural characteristics. As a result of the strongly marked aging of the rural population remains almost ubiquitous downsizing of reproductive and working age. This is a significant social problem, especially in remote and small population settlements. As negative from the perspective of demographic and economic development of rural communities in the country can also be determined and changes in sex ratio in some age groups, family, marriage, education and qualification structure of the population.

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Migrations are often associated with improving the educational and qualification structure of the population, increasing its cultural level, but also with the increase in its needs and the expansion of the domestic and foreign markets. On the other hand, migrations also have contradictory consequences-loss of working time, loss of leisure time, reduction of population and deterioration of its structure, excessive concentration of population, "forced" urbanization and a number of others. Migration is a complex demographic and socioeconomic process that is related to the development of productive forces and relations, the reproduction of the population and its territorial distribution. Migration for work is perhaps the most common type of migration for the EU. Migration is a global problem that will remain in the future. Coping with the increasing migratory flows of people is one of the main problems at the beginning of the 21st century. In view of the importance of international migration for the dynamics of the population in Europe, it is of great importance to explore the factors that determine it. Such knowledge would contribute to making more accurate forecasts on migration, which in turn will also help to better predict the population. Different types of migration will leave a different impression on the overall appearance of parts of Europe that changes over time.