https://www.confiduss.com/en/jurisdictions/cuba/demographics/ - Demographics of Cuba

The total population of Cuba is 11,489,082 people. The people of Cuba speak the Spanish language. The linguistic diversity of Cuba is almost homogeneous according to a fractionation scale, which is 0 for Cuba. The average age is about 39.9 years. Life expectancy in Cuba is 79 years. The female fertility rate in Cuba is 1.7. About 22% of the Cuban population is obese. Ethnic diversity is quite diverse according to a fractionation scale, which is 0.5908 for Cuba. Details of the language, religion, age, gender distribution and advancement of the people of Cuba can be found in the sections below, as well as the section on education in the country.

Population
In Cuba, the population density is 102 people per square kilometer (265 per sq mi). Based on these statistics, this country is considered densely populated. The total population of Cuba is 11,489,082 people. Cuba has approximately 13,336 foreign immigrants. Immigrants in Cuba make up 0.1 percent of the total number of immigrants in the world. Immigrants in Cuba make up 0.1 percent of the total number of immigrants in the world. The ethnic diversity of Cuba is fairly diverse according to a fractionation scale based on ethnicity. Ethnic fractionation (EF) is concerned with the number, size, socioeconomic distribution, and geographic location of different cultural groups, usually within a state or other defined area. Specific cultural characteristics can refer to language, skin color, religion, ethnicity, customs and traditions, history, or other distinctive criteria, alone or in combination. These characteristics are often used for social exclusion and power monopolization. The index of ethnic fractionation in Cuba is 0.5908. This means that there is a relatively large number of unique ethnic groups in Cuba. EF is usually measured as 1 minus the Herfindahl concentration index of ethnolinguistic group proportions, which reflects the probability that two randomly selected individuals from the population belong to different groups. The theoretical maximum of EF of 1 means that each person belongs to a different group. Below you will find statistics for Cuba on the average age and gender distribution at different ages.

Old
The average age is around 39.9 years. The average age of men is 39.1 years, while the average age of women is 40.8 years.

Gender
The sex ratio, or number of males per female (estimated at birth), is 1.06. It can be further broken down into the following categories: sex ratio under 15 – 1.06; sex ratio from 15 to 64 - 1; sex ratio over 64 - 0.83; Overall sex ratio - 0.99. The overall sex ratio differs from the sex ratio estimated at birth. This is because some newborns are included in the estimated sex ratio at birth, but die within the first few weeks of life and are not included in the overall sex ratio.

Religion
The majority religion in Cuba is Christianity, whose adherents make up 59.2% of all believers in the country. Christianity is an Abrahamic monotheistic religion based on the life and teachings of Jesus Christ as set forth in the New Testament. Christianity is the largest religion in the world with over 2.4 billion followers known as Christians. Christians believe that Jesus is the Son of God and the Savior of mankind, whose coming as Christ or Messiah was prophesied in the Old Testament. In addition to Christianity, there are several other religions in the country. Other religions in Cuba are Islam and Buddhism. Cuba's religious diversity is quite diverse according to a fractionation scale based on the number of religions in Cuba. The index of religious fractionation in Cuba is 0.5059. This value means that there are several major religions in Cuba, evenly distributed.