The total population of Gambia is 2,163,765 people. People in Gambia speak the English language. The linguistic diversity of Gambia is very diverse according to a fractionalization scale which for Gambia is 0.8076. The median age is approximately 20.2 years. Life expectancy in Gambia is 61. The female fertility rate in Gambia is 5.6. Around 8% of the population of Gambia are obese. The ethnic diversity is very diverse according to a fractionalization scale which for Gambia is 0.7864. To find out specifics of language, religion, age, gender distribution, and advancement of people in Gambia see the sections below, as well as visit the section concerning the education in the country.

Population
In Gambia, the population density is 173 people per square kilometer (450 per square mile). Because of this statistic, this country is considered to be densely populated. The total population of Gambia is 2,163,765 people. Gambia has approximately 162,919 foreign immigrants. Immigrants in Gambia represent 0.1 percent of the total number of immigrants in the world. Immigrants in Gambia represent 8.8 percent of the total number of immigrants in the world. The ethnic diversity of Gambia is very 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 Gambia is 0.7864. This means that there is a very high number of unique ethnic groups in Gambia. 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 Gambia on median age and gender distribution at various ages.

Age
The median age is approximately 20.2 years. The median age for men is 19.9, while the median age for women is 20.5.

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 - 1.01; sex ratio from 15 to 64 - 0.98; sex ratio over 64 - 0.98; total sex ratio - 1. 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 Gambia is Islam, the followers of which comprise 95.1% of all religious believers in the country. Islam (Arabic: الإسلام‎) is a monotheistic and Abrahamic religion articulated by the Quran, a religious text considered by its adherents to be the verbatim word of God (Allāh), and, for the vast majority of adherents, by the teachings and normative example (called the sunnah, Arabic سنة, composed of accounts called hadith, Arabic حديث) of Muhammad, considered by most of them to be the last prophet of God. An adherent of Islam is called a Muslim. Besides Islam, there are several other religions present within the country. Other religions in Gambia are Hinduism, Judaism. The religious diversity of Gambia is vaguely diverse according to a fractionalization scale based on the number of religions in Gambia. The index of religious fractionalization in Gambia is 0.097. This score means that within the country there is one major with a few other minor beliefs.