According to the search results, the population of Poland is estimated to be around 40.8 million as of October 19, 2023. However, the population of Poland has been declining since about 1999, and the countrys population peaked at 38.57 million people and has since then decreased to about 37.85 million people. According to the 2021 census by the Polish Central Statistical Office (GUS), as of March 31, 2021, Poland had an official population of 38,036,118, a decrease of 0.9% since the 2011 census, and a usually resident population of 37,019,327, a 2.7% decrease since the 2011 census. The total fertility rate was estimated at 1.42 children born to a woman in 2019, which is among the worlds lowest, and Polands population is aging significantly, with a median age of roughly 42. Around 60% of the countrys population lives in urban areas or major cities and 40% in rural zones.