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Where:
e0: Life expectancy at birth (unit: year);
T0: Total number of years of the newborns in the Life table who
will continue to live;
l0: Number of persons who live to the age of 0 of the Life table
(the set of original newborns is observed).
Life expectancy at birth is one of the integrated indicators
calculated from the Life table.
The Life table is a statistical table that includes the indicators
showing the viability of population moving from one age to the next
and the mortality of the population at different ages. The Life table
shows that from an initial set of the births (on the same cohort), there
will be how many persons who will live to 1 year, 2 years,..., 100
years,...; among them, there are how many persons at each of the
certain ages who will be dead before the following age; those persons
who have reached a certain age will have what probability of survival
and death; how long is the life expectancy in the future.
Rate of literate population aged 15 years and over reflects the
ability of reading and writing of the population, serves to assess the
development level of a country, region or locality.
This indicator is calculated as the rate between the number of
persons aged 15 years and over at time (t) who are literate (able to
read, write and understand a simple sentence in the national language,
ethnic or foreign language) and the total population aged 15 years and
over at that time.
Literate population aged 15 years
Rate of literate and over
population aged 15 years = × 100
and over (%) Total population aged 15 years
and over
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