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Life expectancy at birth means
[2011 (T-1)]
- a)average expected length of life of a person at the time of birth
- b)average expected length of life of a person at the time of death
- c)average expected length of a child at the time of birth
- d)None of the above
Correct answer is option 'A'. Can you explain this answer?
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Life expectancy at birth means[2011 (T-1)]a)average expected length of...
Explanation:
Life expectancy at birth refers to the average number of years a newborn infant is expected to live if prevailing patterns of mortality are to stay the same in the future. It is an important indicator of health and well-being of a population. Here are some key points to understand the definition of life expectancy at birth:
- Average expected length of life: Life expectancy at birth is the average expected length of life of a person who is born in a particular year or period. It is not a prediction of how long an individual person will live, but rather a statistical measure based on the mortality experience of a population.
- Time of birth: Life expectancy at birth is calculated from the moment of birth. It takes into account all the risks and factors that can affect the survival and health of an infant in the first year of life and beyond.
- Prevailing patterns of mortality: Life expectancy at birth is based on the assumption that mortality rates for different age groups will remain the same in the future as they are at the time of calculation. This means that it reflects the current level of health and medical care, as well as social and economic conditions that affect the life chances of a population.
- Indicator of health and well-being: Life expectancy at birth is a widely used indicator of the overall health and well-being of a population. It can reflect the impact of factors such as infectious diseases, chronic diseases, accidents, violence, poverty, education, and environmental conditions on mortality rates.
- International comparisons: Life expectancy at birth can be compared across different countries and regions to assess the level of development, social inequality, and public health policies. However, it should be interpreted with caution, as different populations may have different age structures, health risks, and cultural values that influence mortality rates.
Life expectancy at birth refers to the average number of years a newborn infant is expected to live if prevailing patterns of mortality are to stay the same in the future. It is an important indicator of health and well-being of a population. Here are some key points to understand the definition of life expectancy at birth:
- Average expected length of life: Life expectancy at birth is the average expected length of life of a person who is born in a particular year or period. It is not a prediction of how long an individual person will live, but rather a statistical measure based on the mortality experience of a population.
- Time of birth: Life expectancy at birth is calculated from the moment of birth. It takes into account all the risks and factors that can affect the survival and health of an infant in the first year of life and beyond.
- Prevailing patterns of mortality: Life expectancy at birth is based on the assumption that mortality rates for different age groups will remain the same in the future as they are at the time of calculation. This means that it reflects the current level of health and medical care, as well as social and economic conditions that affect the life chances of a population.
- Indicator of health and well-being: Life expectancy at birth is a widely used indicator of the overall health and well-being of a population. It can reflect the impact of factors such as infectious diseases, chronic diseases, accidents, violence, poverty, education, and environmental conditions on mortality rates.
- International comparisons: Life expectancy at birth can be compared across different countries and regions to assess the level of development, social inequality, and public health policies. However, it should be interpreted with caution, as different populations may have different age structures, health risks, and cultural values that influence mortality rates.
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Life expectancy at birth means[2011 (T-1)]a)average expected length of...
It actually means how much a person is expected to live if born in a specific period. It takes into account several conditions like healthcare and economic power of the individuals. Contrary to birth rate, the higher the life expectancy, the more developed the country and the more socially and economically affluent is the population of that country.
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