The total population of Slovakia is 5,449,816 people. People in Slovakia speak the Slovak language. The linguistic diversity of Slovakia is diverse according to a fractionalization scale which for Slovakia is 0.2551. The median age is approximately 39.2 years. Life expectancy in Slovakia is 76. The female fertility rate in Slovakia is 1.4. Around 25% of the population of Slovakia are obese. The ethnic diversity is diverse according to a fractionalization scale which for Slovakia is 0.2539. To find out specifics of language, religion, age, gender distribution, and advancement of people in Slovakia see the sections below, as well as visit the section concerning the education in the country.

Population
In Slovakia, the population density is 110 people per square kilometer (286 per square mile). Because of this statistic, this country is considered to be densely populated. The total population of Slovakia is 5,449,816 people. Slovakia has approximately 177,190 foreign immigrants. Immigrants in Slovakia represent 0 percent of the total number of immigrants in the world. The ethnic diversity of Slovakia is 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 Slovakia is 0.2539. This means that a certain diversity is present in Slovakia, although all people can still be divided into a relatively small number of major ethnic groups. 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 Slovakia on median age and gender distribution at various ages.

Age
The median age is approximately 39.2 years. The median age for men is 37.5, while the median age for women is 41.

Gender
The sex ratio, or the number of males for each female (estimated at birth), is 1.05. It can be further divided into the following categories: sex ratio under 15 - 1.05; sex ratio from 15 to 64 - 0.99; sex ratio over 64 - 0.6; total sex ratio - 0.94. 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 Slovakia is Christianity, the followers of which comprise 85.3% 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 Slovakia are Buddhism, folk religions. The religious diversity of Slovakia is rather diverse according to a fractionalization scale based on the number of religions in Slovakia. The index of religious fractionalization in Slovakia is 0.5655. This score means that there are several major religions distributed evenly within Slovakia.

General development
Slovakia is considered to be a developed nation. The developmental stage of a nation 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, Slovakia is able to provide its citizens with social services like public education, healthcare, and law enforcement. Citizens of developed nations enjoy a high standard of living and longer life expectancies than citizens of developing nations. In Slovakia, 80 in every 100 people use internet. Slovakia has a Human Development Index (HDI) of 0.83. Slovakia has a high HDI score. This indicates that the majority of citizens will be able to attain a desirable life while providing substantial aid and assistance to citizens with lower living standards. The migration rate in Slovakia is 0.04%. In Slovakia, 12.3% of the population lives below the poverty line. The percentage of citizens living below the poverty line in Slovakia is low, indicating that it has a stable economy. Investors should consider Slovakia to be a safe location for investments and other financial ventures.

Language
People in Slovakia speak the Slovak language. The linguistic diversity of Slovakia is diverse according to a fractionalization scale based on the number of unrelated languages spoken in Slovakia. The index of linguistic fractionalization in Slovakia is 0.2551. This means that there are a few major languages spoken in Slovakia. Unrelated languages share few characteristics of grammatical structure, vocabulary, and etymological heritage. Linguistic diversity often results in issues of social and cultural fractionalization that can impact a country’s political circumstance and public policies.