Hi, Can anyone please brief me how to adjust the definition of census data (Px,t to P'x,t) when it is different from the definition of death data (dx)? a)dx = age last birthday Px,t = age nearest birthday b)dx = age last birthday Px,t = age next birthday c)dx = age nearest birthday Px,t = age last birthday d)dx = age nearest birthday Px,t = age next birthday e)dx = age next birthday Px,t = age last birthday f)dx = age next birthday Px,t = age nearest birthday Regards, Krithika