Market capitalization of Rio Tinto (RIO)

Market cap: £103.94 Billion

As of January 2026 Rio Tinto has a market cap of £103.94 Billion. This makes Rio Tinto the world's 145th 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 2026

End of year Market Cap

Year	Marketcap	Change
2026	£103.94 B	4.21%
2025	£99.74 B	31.27%
2024	£75.98 B	-19.87%
2023	£94.82 B	-0.59%
2022	£95.39 B	20.43%
2021	£79.20 B	15.11%
2020	£68.80 B	-8.71%
2019	£75.37 B	18.75%
2018	£63.47 B	20.77%
2017	£52.55 B	22.65%
2016	£42.85 B	59.94%
2015	£26.79 B	-35.95%
2014	£41.83 B	-13.43%
2013	£48.32 B	-4.72%
2012	£50.72 B	12.18%
2011	£45.21 B	-36.19%
2010	£70.85 B	39.72%
2009	£50.71 B	176.73%
2008	£18.32 B	-71.27%
2007	£63.78 B	89.81%
2006	£33.60 B	-1.94%
2005	£34.27 B	70.77%
2004	£20.06 B	-0.08%
2003	£20.08 B	25.6%
2002	£15.99 B	-8.08%
2001	£17.39 B	11.96%
2000	£15.53 B	-17.49%
1999	£18.83 B	115.3%
1998	£8.74 B	-14.41%
1997	£10.21 B	-15.62%
1996	£12.11 B

End of Day market cap according to different sources

On Jan 14th, 2026 the market cap of Rio Tinto was reported to be:

£80.23 Billion

by Nasdaq

£103.94 Billion

by CompaniesMarketCap

Market capitalization for similar companies or competitors

Name	Marketcap	Market cap differencediff.	Country
BHP Group BHP	£126.33 B	21.53%	🇦🇺 Australia
Vale VALE	£46.45 B	-55.31%	🇧🇷 Brazil
Freeport-McMoRan FCX	£64.55 B	-37.90%	🇺🇸 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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