Methodology
The
life expectancy
Life expectancy is a statistical measure of the average time an organism is expected to live, based on the year of its birth, current age, and other demographic factors like sex. The most commonly used measure is life expectancy at birth ...
is shown separately for males and for females, as well as a combined figure. Several non-
sovereign entities and
territories
A territory is an area of land, sea, or space, particularly belonging or connected to a country, person, or animal.
In international politics, a territory is usually either the total area from which a state may extract power resources or a ...
are also included in this list.
The figures reflect the quality of
healthcare in the countries listed as well as other factors including ongoing wars,
obesity
Obesity is a medical condition, sometimes considered a disease, in which excess body fat has accumulated to such an extent that it may negatively affect health. People are classified as obese when their body mass index (BMI)—a person's ...
, and
HIV
The human immunodeficiency viruses (HIV) are two species of ''Lentivirus'' (a subgroup of retrovirus) that infect humans. Over time, they cause acquired immunodeficiency syndrome (AIDS), a condition in which progressive failure of the immune ...
infections.
From the beginning of the current century there is a tendency to also estimate
Healthy life expectancy (HALE) — the average number of years that a person can expect to live in "full health".
Comparing life expectancies across countries can be problematic. For example, due to poor reporting in some countries and various local standards in collecting statistics. This is especially true for Healthy life expectancy, the definition of which criteria may change over time, even within a country.
World Bank Group (2020)
Data of the
World Bank Group
The World Bank Group (WBG) is a family of five international organizations that make leveraged loans to developing countries. It is the largest and best-known development bank in the world and an observer at the United Nations Development Gr ...
for 2020.
The values in the World Bank Group tables are rounded. All calculations were done on raw data, therefore, due to the nuances of rounding, in some places illusory inconsistencies of indicators arose, with a size of 0.01 year.
United Nations (2021)
Shown is the ‘period life expectancy’ at birth. This is the average number of years a newborn would live if age-specific mortality rates in the current year were to stay the same throughout its life. The data is taken from the 2022 United Nations World Population Prospects. It is also used to calculate the
Human Development Index
The Human Development Index (HDI) is a statistic composite index of life expectancy, education (mean years of schooling completed and expected years of schooling upon entering the education system), and per capita income indicators, wh ...
World Health Organization (2019)
According to data published by
World Health Organization
The World Health Organization (WHO) is a specialized agency of the United Nations responsible for international public health. The WHO Constitution states its main objective as "the attainment by all peoples of the highest possible level of ...
in December 2020. By default, data is sorted by life expectancy at birth for all population, and in case of equal values by HALE for all population.
United Nations Development Programme (2019)
Data published by
United Nations Development Programme
The United Nations Development Programme (UNDP)french: Programme des Nations unies pour le développement, PNUD is a United Nations agency tasked with helping countries eliminate poverty and achieve sustainable economic growth and human dev ...
in 2019.
CIA World Factbook (2022)
The US
CIA
The Central Intelligence Agency (CIA ), known informally as the Agency and historically as the Company, is a civilian foreign intelligence service of the federal government of the United States, officially tasked with gathering, processing, ...
published the following life expectancy data in its World Factbook.
World Bank Group (2019)
Data of the
World Bank Group
The World Bank Group (WBG) is a family of five international organizations that make leveraged loans to developing countries. It is the largest and best-known development bank in the world and an observer at the United Nations Development Gr ...
for 2019.
See also
References
External links
Global Agewatchhas the latest internationally comparable statistics on life expectancy from 195 countries.
Life expectancy trends interactive graphLife expectancy interactive world mapU.S. States life expectancy compared to the world (Infographic & Study), Simply Insurance
{{DEFAULTSORT:Countries By Life Expectancy
Life expectancy
Life expectancy is a statistical measure of the average time an organism is expected to live, based on the year of its birth, current age, and other demographic factors like sex. The most commonly used measure is life expectancy at birth ...
Life expectancy
Life expectancy is a statistical measure of the average time an organism is expected to live, based on the year of its birth, current age, and other demographic factors like sex. The most commonly used measure is life expectancy at birth ...
Demographic lists
Life expectancy