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Dewis pwnc arall neu clirio pob hidlydd.
Assesses the quality of the component input data for official mid-year population estimates for ages 80 and over (deaths registrations; census estimates; and migration estimates). The method used to distribute the official age 90 and over mid-year estimate to single years of age above age 90 (the Kannisto-Thatcher method) is also assessed.
An overview of ONS's population statistics including population estimates, population projections, migration and the census.
