Differences in socio-economic development of regions in Poland – current state and changes in 2004–2015

The article presents disparities in the socio-economic development of the Polish regions (voivodships). The analysis is carried out on the basis of four indicators: gross domestic product per capita, registered unemployment rate, average monthly gross wages and share of revenues in total revenues of local government units. The study confirms that Polish voivodship are characterized by a high degree of inequality in socio-economic development. In the years 2004–2015, regional disparities in Poland became stronger and the position of poorer regions has deteriorated. Two sets of economic divides are visible: gap between eastern and western Poland and the gap between Mazowieckie region and other regions