Crynodeb o'r cais
Period and cohort numbers surviving at exact age (lx) in England and Wales using the principal projection by single year of age 0 to 125.
/peoplepopulationandcommunity/birthsdeathsandmarriages/livebirths/adhocs/007937numbersurvivingatexactagelx2016basedenglandandwales1841to2066