The total population of Bhutan is 817,054 people. The people of Bhutan speak the Dzongkha language. The linguistic diversity of Bhutan is quite diverse according to a fractionation scale, which is 0.6056 for Bhutan. The average age is around 26.2 years. Life expectancy in Bhutan is 68. Female fertility rate in Bhutan is 2.2. About 5% of Bhutan's population is obese. Ethnic diversity is quite diverse according to a fractionation scale, which for Bhutan is 0.605. Details of the language, religion, age, gender distribution and advancement of the people of Bhutan can be found in the sections below, as well as the section on education in the country.

Population
In Bhutan, the population density is 20 people per square kilometer (52 per square mile). Based on these statistics, this country is considered sparsely populated. The total population of Bhutan is 817,054 people. Bhutan has approximately 50,862 foreign immigrants. Immigrants in Bhutan account for 0.1 percent of the total number of immigrants worldwide. Immigrants in Bhutan account for 6.7 percent of the total number of immigrants worldwide. The ethnic diversity of Bhutan is quite diverse 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 Bhutan is 0.605. This means that there is a relatively high number of unique ethnic groups in Bhutan. 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. Below are statistics from Bhutan on average age and gender distribution in different age groups.

Age
The average age is around 26.2 years. The average age for men is 26.8 and the average age for women is 25.6.

Gender
The sex ratio, or number of males per female (estimated at birth), is 1.05. It can be further broken down into the following categories: sex ratio below 15 - 1.04; sex ratio from 15 to 64 - 1.13; sex ratio over 64 - 1.12; Overall sex ratio - 1.1. The overall sex ratio differs from the sex ratio estimated at birth. This is because some newborns are included in the sex ratio estimated at birth, but die within the first few weeks of life and are not included in the overall sex ratio.

Religion
The majority religion in Bhutan is Buddhism, whose adherents make up 74.7% of all religious believers in the country. Buddhism is a nontheistic religion or philosophy (Sanskrit: धर्म Dharma; Pali: धम्म Dhamma) encompassing a variety of traditions, beliefs, and spiritual practices based largely on teachings attributed to Gautama Buddha, commonly known as the Buddha (the awakened). According to Buddhist tradition, the Buddha lived and taught sometime between the sixth and fourth centuries BC. in the eastern part of the Indian subcontinent. He is recognized by Buddhists as an awakened or enlightened teacher who shared his insights to help sentient beings end their suffering through the elimination of ignorance and craving. Buddhists believe this is achieved through direct understanding and perception of dependent origination and the Four Noble Truths. In addition to Buddhism, there are several other religions in the country. Other religions in Bhutan are Christianity, Islam, Hinduism, folk religions. Bhutan's religious diversity is diverse according to a fractionation scale based on the number of religions in Bhutan. The index of religious fractionation in Bhutan is 0.3787. This score means that within the country there is one major religion and several other minor beliefs.