The total population of French Guiana is 289,763 people. The people of French Guiana speak the French and English languages. The linguistic diversity of French Guiana is vaguely diverse according to a fractionation scale, which is 0.1154 for French Guiana. The average age is around 29.3 years. The life expectancy in French Guiana is 75.89. The female fertility rate in French Guiana is 3.5. Around 18% of French Guiana's population is obese. Ethnic diversity is nearly uniform according to a fractionation scale, which is 0 for French Guiana. Details of the language, religion, age, gender distribution and advancement of the people of French Guiana can be found in the sections below, as well as the section on education in the country. Population In French Guiana, the population density is 2.65 people per square kilometer (7 per sq mi). Based on these statistics, this country is considered very sparsely populated. The total population of French Guiana is 289,763 people. French Guiana has approximately 104,291 foreign immigrants. Immigrants in French Guiana account for 0.1 percent of the total number of immigrants worldwide. Immigrants in French Guiana account for 43.3 percent of the total number of immigrants worldwide. The ethnic diversity of French Guiana is nearly uniform according to an ethnicity-based fractionation scale. Ethnic Fractionation (EF) deals with the number, size, socioeconomic distribution, and geographic location of diverse cultural groups, usually within a state or some other demarcated 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 French Guiana is 0. This means that the people living in French Guiana are somewhat fractionated. EF is usually measured as 1 minus the Herfindahl concentration index of ethnolinguistic group proportions, which reflects 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 French Guiana statistics on mean age and gender distribution at different ages. Old The average age is around 29.3 years. Gender The data on the gender distribution in a country shows how the population is divided into gender groups and what the internal structure of these groups is. No such statistics can be provided for French Guiana. Religion The majority religion in French Guiana is Christianity, whose adherents make up 84.4% 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 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. Besides Christianity, there are several other religions in the country. Other religions in French Guiana are Islam, popular religions. The religious diversity of French Guiana is diverse according to a fractionation scale based on the number of religions in French Guiana. The index of religious fractionation in French Guiana is 0.4959.