The total population of Puerto Rico is 3,659,007 people. The people of Puerto Rico speak Spanish and English. The linguistic diversity of Puerto Rico is almost homogeneous according to a fractionation scale, which for Puerto Rico is 0.0352. The average age is around 38.7 years. The life expectancy in Puerto Rico is 78.54. The female fertility rate in Puerto Rico is 1.5. About 67% of the population of Puerto Rico are obese. Ethnic diversity is almost uniform on a fractionation scale that is 0 for Puerto Rico. To find out details about the language, religion, age, gender distribution, and development of the people of Puerto Rico, see the sections below as well as the section on Education in the Country.

population
In Puerto Rico, the population density is 414 people per square kilometer (1077 per square mile). Based on these statistics, this country is considered to be densely populated. The total population of Puerto Rico is 3,659,007 people. Puerto Rico has approximately 95,324 foreign immigrants. The ethnic diversity of Puerto Rico is almost uniform on a fractionation scale based on ethnicity. Ethnic fractionation (EF) deals with the number, size, socio-economic distribution, and geographic location of various cultural groups, usually in a state or otherwise demarcated territory. Specific cultural characteristics, alone or in combination, can relate to language, skin color, religion, ethnicity, customs and traditions, history or other characteristic criteria. These characteristics are often used for social exclusion and monopoly of power. The index of ethnic fractionation in Puerto Rico is 0. This means that the people living in Puerto Rico are somewhat fractionated. EF is usually measured as 1 minus the Herfindahl concentration index of ethno-linguistic group proportions, which reproduces the probability that two randomly drawn 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 are statistics from Puerto Rico on the median age and gender distribution at different age groups.

Age
The average age is around 38.7 years. The average age of men is 36.8 years while the average age of women is 40.5.

Gender
The gender ratio or the number of men for each woman (estimated at birth) is 1.05. It can be further subdivided into the following categories: gender ratio below 15 - 1.05; Gender ratio from 15 to 64 - 0.93; Gender ratio over 64 - 0.76; Overall gender ratio - 0.92. The overall gender ratio differs from the gender ratio estimated at birth. This is because some newborns are included in the estimated gender ratio at birth, but die within the first few weeks of life and are not included in the overall gender ratio.

Religion
The majority religion of Puerto Rico is Christianity, whose followers make up 96.7% of all believers in the country. Christianity is an Abrahamic monotheistic religion based on the life and teachings of Jesus Christ as presented in the New Testament. Christianity is the largest religion in the world with over 2.4 billion followers, the so-called 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 Puerto Rico are Islam, popular religions. The religious diversity of Puerto Rico is diverse according to a fractionation scale based on the number of religions in Puerto Rico. The religious faction index in Puerto Rico is 0.4952. This score means that there is one major religion and several other minor beliefs within the country.

http://www.confiduss.com/en/jurisdictions/puerto-rico/demographics/