This data base contains (a) census and vital statistics information on population size (starting in 1841) and death counts (starting in 1900) for 19 countries; (b) life tables (every five and ten years) adjusted for undercount and for adult age misstatement by five and single year age groups (using 85 and 100 as open age groups); and (c) mortality rates by causes of deaths (unadjusted and adjusted for completeness, age misstatement and ill-defined causes of death) starting in 1945.