kohortlivstabeller
kohortlivstabeller, or cohort life tables, are statistical tools used in demography to summarize the survival and mortality experience of a defined birth cohort as it ages. Unlike period life tables, which apply mortality rates from a single calendar year to a hypothetical cohort, kohortlivstabeller reflect the actual experience of people born in the same year as they progress through age. They provide a longitudinal view of mortality and are commonly used to estimate life expectancy and survival patterns for specific cohorts.
Construction typically proceeds from a starting number alive at birth, l0, and records the number of deaths
Data sources include national civil registries, vital statistics, and longitudinal studies that track individuals over many
Uses and limitations: kohortlivstabeller are central to demographic research, actuarial practice, and policy analysis, providing estimates