The total population of Tanzania is 59,091,392 people. People in Tanzania speak the Swahili, and English languages. The linguistic diversity of Tanzania is very diverse according to a fractionalization scale which for Tanzania is 0.8983. The median age is approximately 17.4 years. Life expectancy in Tanzania is 61. The female fertility rate in Tanzania is 5.2. Around 5% of the population of Tanzania are obese. The ethnic diversity is rather diverse according to a fractionalization scale which for Tanzania is 0.7353. To find out specifics of language, religion, age, gender distribution, and advancement of people in Tanzania see the sections below, as well as visit the section concerning the education in the country.

Population
In Tanzania, the population density is 51 people per square kilometer (133 per square mile). Because of this statistic, this country is considered to be sparsely populated. The total population of Tanzania is 59,091,392 people. Tanzania has approximately 312,778 foreign immigrants. Immigrants in Tanzania represent 0.2 percent of the total number of immigrants in the world. Immigrants in Tanzania represent 0.6 percent of the total number of immigrants in the world. The ethnic diversity of Tanzania is rather diverse 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 Tanzania is 0.7353. This means that there is a relatively high number of unique ethnic groups in Tanzania. 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 Tanzania on median age and gender distribution at various ages.

Age
The median age is approximately 17.4 years. The median age for men is 17.1, while the median age for women is 17.7.

Gender
The sex ratio, or the number of males for each female (estimated at birth), is 1.03. It can be further divided into the following categories: sex ratio under 15 - 1; sex ratio from 15 to 64 - 0.97; sex ratio over 64 - 0.78; total sex ratio - 0.98. 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 Tanzania is Christianity, the followers of which comprise 61.4% 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 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 Tanzania are Islam, Hinduism, folk religions. The religious diversity of Tanzania is rather diverse according to a fractionalization scale based on the number of religions in Tanzania. The index of religious fractionalization in Tanzania is 0.6334. This score means that there are several major religions distributed evenly within Tanzania.