Rio Tinto (RIO) - Market capitalization

Market cap: C$168.03 Billion

As of December 2025 Rio Tinto has a market cap of C$168.03 Billion. This makes Rio Tinto the world's 165th most valuable company by market cap according to our data. The market capitalization, commonly called market cap, is the total market value of a publicly traded company's outstanding shares and is commonly used to measure how much a company is worth.

Market cap history of Rio Tinto from 1996 to 2025

End of year Market Cap

Year	Marketcap	Change
2025	C$168.03 B	22.8%
2024	C$136.83 B	-14.6%
2023	C$160.24 B	2.33%
2022	C$156.59 B	14.93%
2021	C$136.25 B	13.94%
2020	C$119.59 B	-7.36%
2019	C$129.09 B	17.62%
2018	C$109.75 B	22.9%
2017	C$89.30 B	25.68%
2016	C$71.06 B	29.01%
2015	C$55.08 B	-27.13%
2014	C$75.58 B	-10.93%
2013	C$84.86 B	4.1%
2012	C$81.52 B	14.04%
2011	C$71.48 B	-34.62%
2010	C$109.33 B	26.62%
2009	C$86.34 B	164.41%
2008	C$32.65 B	-74.17%
2007	C$126.41 B	64.95%
2006	C$76.64 B	11.38%
2005	C$68.80 B	48.69%
2004	C$46.27 B	-0.71%
2003	C$46.60 B	15.08%
2002	C$40.50 B	0.78%
2001	C$40.18 B	15.65%
2000	C$34.74 B	-20.83%
1999	C$43.88 B	96.26%
1998	C$22.36 B	-6.77%
1997	C$23.98 B	-15.56%
1996	C$28.40 B

End of Day market cap according to different sources

On Dec 4th, 2025 the market cap of Rio Tinto was reported to be:

C$129.05 Billion

by Nasdaq

C$168.03 Billion

by CompaniesMarketCap

Market capitalization for similar companies or competitors

Name	Marketcap	Market cap differencediff.	Country
BHP Group BHP	C$211.35 B	25.78%	🇦🇺 Australia
Vale VALE	C$80.95 B	-51.82%	🇧🇷 Brazil
Freeport-McMoRan FCX	C$89.37 B	-46.81%	🇺🇸 USA

What is the market capitalization of a company?

The market capitalization sometimes referred as Marketcap, is the value of a publicly listed company.
In most cases it can be easily calculated by multiplying the share price with the amount of outstanding shares.

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Market capitalization of Rio Tinto (RIO)

Market cap: C$168.03 Billion