Poland's energy efficiency increased by 0.5% in 2021 compared to 2020. Between 2011 and 2021, the annual cumulative growth rate of energy efficiency amounted to 0.9%. Primary energy intensity of GDP decreased by an average of 2.6% per year during this period, while final energy intensity of GDP decreased by 1.5%. The fastest rate of energy efficiency improvement was observed in transport (by 2.3%).