1. The document summarizes demographic information about Cuba such as its population size over time, Catholic religion, and coastal geography. 2. It describes Cuba's population increasing from 271,600 in 1827 to over 1.3 million by 1887 as people from Spain immigrated after Columbus' arrival and during the 19th century. 3. The relationship between demographic and social evolution in Cuba is discussed, noting waves of immigration over the 20th century from Europe as well as emigration from Cuba to the US after the 1959 revolution.