截至2025年上半年，波兰人口为3740.1万人

Group 1 - The core point of the article is that Poland's population is projected to decrease by 162,000 people by mid-2025, reaching a total of 37.401 million [1] - The actual population decline rate is -0.23%, indicating a reduction of 23 individuals per 10,000 residents, compared to 20 individuals per 10,000 residents a year earlier [1] - Preliminary data from the Central Statistical Office shows that approximately 115,500 newborns were registered in Poland in the first half of this year, which is a decrease of over 10,000 compared to the same period last year [1]