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  2. Mortality rate - Wikipedia

    en.wikipedia.org/wiki/Mortality_rate

    The crude death rate is defined as "the mortality rate from all causes of death for a population," calculated as the "total number of deaths during a given time interval" divided by the "mid-interval population", per 1,000 or 100,000; for instance, the population of the U.S. was around 290,810,000 in 2003, and in that year, approximately 2,419,900 deaths occurred in total, giving a crude death ...

  3. Life table - Wikipedia

    en.wikipedia.org/wiki/Life_table

    Life table. In actuarial science and demography, a life table (also called a mortality table or actuarial table) is a table which shows, for each age, the probability that a person of that age will die before their next birthday ("probability of death "). In other words, it represents the survivorship of people from a certain population. [ 1]

  4. Standardized mortality ratio - Wikipedia

    en.wikipedia.org/wiki/Standardized_mortality_ratio

    Standardized mortality ratio. The standardized mortality ratio is the ratio of observed deaths in the study group to expected deaths in the general population. [ 2] This ratio can be expressed as a percentage simply by multiplying by 100. [citation needed] The SMR may be quoted as either a ratio or a percentage.

  5. Child mortality - Wikipedia

    en.wikipedia.org/wiki/Child_mortality

    Share of children born alive that die before the age of 5 (2017) [1] Breakdown of child mortality by cause, OWID. Child mortality is the death of children under the age of five. [2] The child mortality rate (also under-five mortality rate) refers to the probability of dying between birth and exactly five years of age expressed per 1,000 live ...

  6. Life expectancy - Wikipedia

    en.wikipedia.org/wiki/Life_expectancy

    Life expectancy, more technically called the curtate expected lifetime and denoted ,[ a] is the mean of —that is to say, the expected number of whole years of life remaining, assuming survival to age . [ 149] So, (2) Substituting ( 1) into the sum and simplifying gives the final result [ 150]

  7. Excess mortality - Wikipedia

    en.wikipedia.org/wiki/Excess_mortality

    In epidemiology, the excess deaths or excess mortality is a measure of the increase in the number deaths during a time period and/or in a certain group, as compared to the expected value or statistical trend during a reference period (typically of five years) or in a reference population. It may typically be measured in percentage points, or in ...

  8. Case fatality rate - Wikipedia

    en.wikipedia.org/wiki/Case_fatality_rate

    Case fatality rate. In epidemiology, case fatality rate ( CFR) – or sometimes more accurately case-fatality risk – is the proportion of people who have been diagnosed with a certain disease and end up dying of it. Unlike a disease's mortality rate, the CFR does not take into account the time period between disease onset and death.

  9. List of countries by mortality rate - Wikipedia

    en.wikipedia.org/wiki/List_of_countries_by...

    Crude mortality rate refers to the number of deaths over a given period divided by the person-years lived by the population over that period. It is usually expressed in units of deaths per 1,000 individuals per year. The list is based on CIA World Factbook 2023 estimates, unless indicated otherwise.