The sensitivity analysis below is based on extrapolating reasonable changes in these assumptions, using year-end conditions and assuming no interdependency between the assumptions.
| UK | US | |||||||||||||||||
| Higher/ (lower) pension cost $m |
Increase/ (decrease) in liabilities $m |
Higher/ (lower) pension cost $m |
Increase/ (decrease) in liabilities $m |
|||||||||||||||
|
Pensions increases |
— 0.25% decrease | (0.1 | ) | (1.1 | ) | — | — | |||||||||||
| — 0.25% increase | — | 1.4 | — | — | ||||||||||||||
|
Discount rate |
— 0.25% decrease | (0.1 | ) | 1.5 | (0.1 | ) | 2.9 | |||||||||||
| — 0.25% increase | — | (1.4 | ) | — | (2.7 | ) | ||||||||||||
|
Inflation rate |
— 0.25% increase | — | 1.4 | — | — | |||||||||||||
| — 0.25% decrease | (0.1 | ) | (1.1 | ) | — | — | ||||||||||||
|
Mortality rate |
— One year increase | — | 0.8 | 0.2 | 9.7 | |||||||||||||