378 ❚ People resourcing
Time
Leavers as a
percentage of
total entrants
Figure 25.2 Asurvival curve
Table 25.1 Survival rate analysis
Number surviving to end of year after engagement
Entry Original
Cohort strength Year 1 Year 2 Year 3 Year 4 Year 5
A403528262220
B322524191817
C483933302523
D383227242219
E423630262321
Total 200 167 142 125 110 100
Average
survival 100% 83% 71% 62% 55% 50%
rate