Employee information (Tables)

12 Months Ended

Dec. 31, 2022

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Summary of Classification of Employee Benefit

All figures in £ millions	Notes		2022		2021		2020
Employee benefit expense
Wages and salaries (including termination costs)				1,382		1,180		1,152
Social security costs				113		95		96
Share-based payment costs		26		35		28		29
Retirement benefits – defined contribution plans		25		46		37		47
Retirement benefits – defined benefit plans		25		29		25		13
Total				1,605		1,365		1,337

Summary of Average Number of Employees

Average number employed	2022		2021		2020
Employee numbers
UK		3,244		3,395		3,304
Other European countries		809		878		886
US		11,357		11,757		11,432
Canada		522		593		648
Asia Pacific		3,369		2,738		2,812
Other countries		1,137		1,383		2,109
Total		20,438		20,744		21,191