Why did millions of people emigrate from Polish lands between 1870 and 1914?

Between 1870 and 1914, approximately 3.6 million people—primarily peasants—emigrated from Polish lands, largely to the United States.12

This mass movement was driven by dire socioeconomic conditions. During this period, Polish lands experienced rapid population growth, which placed immense strain on available resources and led to deplorable living standards for the masses. While some political factions advocated for "Triple Loyalism"—the belief that progress could be achieved through cooperation with the partitioning powers—this policy failed to address the systemic poverty and backwardness prevalent in regions like Galicia.12

Faced with these harsh realities under early capitalism, many individuals chose to leave in search of better economic opportunities abroad. This wave of emigration served as a significant outlet for the population, occurring alongside the rise of radicalized political movements that sought to address the nation's social and national grievances.12