Two observed life tables — choose the pair below and watch the difference resolve, age by age.
Difference attributed
Each direction's running total as mortality is replaced, age by age. Both end on the whole difference.
Replaced —
From 0 to 110
0.000
From 110 to 0
0.000
The two populations
Mortality is taken from the first row and replaced, age by age, with the second's. Both are HMD both-sex period life tables.
Reference—
Comparison—
Difference—
Comparison
Reference population
Comparison population
Pick the same year in two countries for a geographic differential, or the same country in two years for a temporal one. Each country offers only the years the database holds for it.