The total population of Portugal is 10,291,196 people. The people of Portugal speak the Portuguese language. The linguistic diversity of Portugal is almost homogeneous according to a fractionation scale, which is 0.0198 for Portugal. The average age is around 41.1 years. Life expectancy in Portugal is 81 years. The female birth rate in Portugal is 1.2. Around 24% of Portugal's population is obese. Ethnic diversity is nearly uniform according to a fractionation scale, which is 0.0468 for Portugal. Details of the language, religion, age, gender distribution and advancement of the people of Portugal can be found in the sections below, as well as the section on education in the country.

Population
In Portugal, the population density is 115 people per square kilometer (299 per square mile). Based on these statistics, this country is considered densely populated. The total population of Portugal is 10,291,196 people. Portugal has approximately 837,257 foreign immigrants. Immigrants in Portugal account for 0.4 percent of the total number of immigrants worldwide. Immigrants in Portugal account for 8.4 percent of the total number of immigrants worldwide. Portugal's ethnic diversity is nearly uniform according to a fractionation scale based on ethnicity. 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 Portugal is 0.0468. This means that the people living in Portugal are somewhat fractional. 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 the statistics of Portugal on the average age and gender distribution at different ages.

Age
The average age is around 41.1 years. The average age for men is 39 and the average age for women is 43.3 years.

Gender
The sex ratio, or number of males for every female (estimated at birth), is 1.07. It can be further broken down into the following categories: sex ratio under 15 - 1.09; sex ratio from 15 to 64 - 0.99; sex ratio over 64 - 0.7; Overall sex ratio - 0.95. 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 Portugal is Christianity, whose adherents make up 93.8% 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. In addition to Christianity, there are some followers of Islam in Portugal. Portugal's religious diversity is vaguely diverse according to a fractionation scale based on the number of religions in Portugal. The index of religious fractionation in Portugal is 0.1438. This score means that within the country there is a major belief with a few other subordinate beliefs.

General development
Portugal is considered a developed nation. A nation's level of development 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, Portugal is able to offer its citizens social services such as public education, health care and law enforcement. Citizens of developed countries enjoy a high standard of living and longer life expectancies than citizens of developing countries. In Portugal, 64 out of 100 people use the internet.