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Cohort mortality in Sweden (pdf)

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<strong>Cohort</strong> <strong>mortality</strong> <strong>in</strong> <strong>Sweden</strong>Growth of population statisticsTable 2.1Centenarians deceased dur<strong>in</strong>g the period 1751–1900Year Deaths Per 100 000 ofthe population1751–60 449 891761–70 252 461771–80 160 271781–90 155 261791–00 82 141801–10 95 141811–20 38 61821–30 56 91831–40 31 51841–50 32 51851–60 30 41861–70 34 41871–80 43 51881–90 43 51891–00 63 8Source: Lubl<strong>in</strong> 1957Correction and supplementation of populationdataWhen calculat<strong>in</strong>g <strong>mortality</strong> rates <strong>in</strong> this publication, the officialpopulation <strong>in</strong>formation by sex and age has been used for ages up to60 years. For higher ages, the official population <strong>in</strong>formation hasbeen replaced with a calculated population. One reason for this isbecause for many years, the presentation of the population size <strong>in</strong>the official statistics had an open age <strong>in</strong>terval of 90 years and olderor 95 years and older. To calculate <strong>mortality</strong> rates, <strong>in</strong>formation isneeded on the population size <strong>in</strong> one-year categories even for theoldest persons. The most reliable statistics we have areis the<strong>in</strong>formation on the number of deceased persons by age. Based onthe <strong>in</strong>formation of deceased persons (and immigrants/emigrants) byage, the population size can be calculated. The start<strong>in</strong>g po<strong>in</strong>t for thecalculation for each birth cohort and sex has been the oldestdeceased person. It has then been possible to gradually calculate thepopulation backwards <strong>in</strong> time by add<strong>in</strong>g the number of deceasedpersons and adjust<strong>in</strong>g for immigration and emigration ("ext<strong>in</strong>ctcohort method”). For the younger cohorts, the calculation is basedon the official population size for the last presented age. For theStatistics <strong>Sweden</strong> 19

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