La transformación de las razas en América is an essay by the Argentine writer and thinker Agustín Alvarez examining the development and transformation of peoples and societies in the Americas. Writing around the turn of the twentieth century, Alvarez reflects on history, culture, and the social forces shaping the new nations of the continent.
The text is in Spanish. Drawing on the intellectual currents of his era, including ideas about progress and social evolution, the author considers how populations and national characters were being reshaped in the American context. The work belongs to a tradition of Latin American social and political essay-writing concerned with identity, modernity, and the future of the region. It offers insight into how a prominent Argentine intellectual interpreted the social history of the Americas.