The following table which years of experience of scientific men has proven, settles the death-rate. One of the following number of persons may die within one year:

At 10 years..............1 in 134

At 15 " ..............1 in 131

At 20 " ..............1 in 129

At 25 " ................1 in 124

At 30 " .............1 in 119

At 35 " ..............1 in 112

At 40 " ..............1 in 103

At 45 years..............1 in 90

At 50 " ..............1 in 73

At 55 " ..............1 in 54

At 60 " ..............1 in 35

At 65 " ..............1 in 25

At 70 " ..............1 in 17