The total population of Puerto Rico is 3,659,007 people. People in Puerto Rico speak the Spanish, and English languages. The linguistic diversity of Puerto Rico is almost homogeneous according to a fractionalization scale which for Puerto Rico is 0.0352. The median age is approximately 38.7 years. Life expectancy in Puerto Rico is 78.54. The female fertility rate in Puerto Rico is 1.5. Around 67% of the population of Puerto Rico are obese. The ethnic diversity is almost uniform according to a fractionalization scale which for Puerto Rico is 0. To find out specifics of language, religion, age, gender distribution, and advancement of people in Puerto Rico see the sections below, as well as visit the section concerning the education in the country.

Population
In Puerto Rico, the population density is 414 people per square kilometer (1077 per square mile). Because of this statistic, 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 according to a fractionalization scale based on ethnicity. Ethnic fractionalization (EF) deals with the number, sizes, socioeconomic distribution, and geographical location of distinct cultural groups, usually in a state or some otherwise delineated territory. Specific cultural features might refer to language, skin color, religion, ethnicity, customs and traditions, history, or other distinctive criteria, alone or in combination. Frequently, these features are used for social exclusion and the monopolization of power. The index of ethnic fractionalization in Puerto Rico is 0. This means that the people living in Puerto Rico are somewhat fractionalized. EF is usually measured as 1 minus the Herfindahl concentration index of ethnolinguistic group shares, 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. Read below for statistics of Puerto Rico on median age and gender distribution at various ages.

Age
The median age is approximately 38.7 years. The median age for men is 36.8, while the median age for women is 40.5.

Gender
The sex ratio, or the number of males for each female (estimated at birth), is 1.05. It can be further divided into the following categories: sex ratio under 15 - 1.05; sex ratio from 15 to 64 - 0.93; sex ratio over 64 - 0.76; total sex ratio - 0.92. Total sex ratio is different from sex ratio estimated at birth. This is due to the fact that some newborns are considered in the sex ratio estimated at birth but pass away within the first weeks of their life and are not included in the total sex ratio.

Religion
The majority religion of Puerto Rico is Christianity, the followers of which comprise 96.7% of all religious 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 world's largest religion, with over 2.4 billion adherents, known as Christians. Christians believe that Jesus is the Son of God and the savior of humanity whose coming as Christ or the Messiah was prophesied in the Old Testament. Besides Christianity, there are several other religions present within the country. Other religions in Puerto Rico are Islam, folk religions. The religious diversity of Puerto Rico is diverse according to a fractionalization scale based on the number of religions in Puerto Rico. The index of religious fractionalization in Puerto Rico is 0.4952. This score means that within the country there is one major religion and several other minor beliefs.

General development
Puerto Rico is considered to be a developed nation. The developmental stage of a nation is determined by a number of factors including, but not limited to, economic prosperity, life expectancy, income equality, and quality of life. As a developed nation, Puerto Rico is able to provide its citizens with social services like public education, healthcare, and law enforcement. Citizens of developed nations enjoy a high standard of living and longer life expectancies than citizens of developing nations. In Puerto Rico, 51.41 in every 100 people use internet. The migration rate in Puerto Rico is -8.15%. In Puerto Rico, 41.4% of the population lives below the poverty line. The percentage of citizens living below the poverty line in Puerto Rico is very high when compared with other nations. This situation is indicative of a variety of alarming economic and political factors. It is not advisable to make any investments in countries with this level of poverty.