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Average number of employees (Tables)

12 Months Ended

Dec. 31, 2019

Number and average number of employees [abstract]

Summary of average number of employees



	Subsidiaries and joint operations						Equity accounted units (Rio Tinto share)						Group total
	2019		2018		2017		2019		2018		2017		2019		2018		2017
Principal locations of employment:
Australia and New Zealand	19,195		19,017		19,041		619		578		602		19,814		19,595		19,643
Canada	11,576		10,620		10,256		—		—		—		11,576		10,620		10,256
UK	190		287		309		—		—		—		190		287		309
Europe	959		1,418		1,505		—		—		—		959		1,418		1,505
Africa	3,121		3,496		3,461		1,250		1,262		1,269		4,371		4,758		4,730
US	3,400		3,792		3,429		—		—		—		3,400		3,792		3,429
Mongolia	3,215		2,886		2,861		—		—		—		3,215		2,886		2,861
Indonesia	—		1,615		1,642		—		—		—		—		1,615		1,642
South America	243		210		197		1,270		1,289		1,237		1,513		1,499		1,434
India	272		288		310		—		—		—		272		288		310
Singapore	430		422		434		—		—		—		430		422		434
Other countries^(a)	267		278		254		—		—		—		267		278		254
Total	42,868		44,329		43,699		3,139		3,129		3,108		46,007		47,458		46,807


(a)	“Other countries” primarily includes employees in the Middle East (excluding Oman which is included in Africa), and other countries in Asia which are not shown separately in the table above.