List of public corporations by market capitalization

The following is a list of publicly traded companies having the greatest market capitalization. In the global business media, they are described as being the world's most valuable companies as a reference to their market value.^[1]

Market capitalization is calculated from the share price (as recorded on selected day) multiplied by the number of outstanding shares. Figures are converted into USD millions (using rate from selected day) to allow for comparison.^[2]

^ Grocer, Stephen (5 February 2019). "Biggest Public Company? Microsoft. Wait, Apple Again. Amazon? No, Back to Microsoft". The New York Times. ISSN 0362-4331. Archived from the original on 20 February 2022. Retrieved 20 February 2022.
^ "FT 500 2015 Introduction and methodology". Financial Times. 19 June 2015. Archived from the original on 2 September 2016. Retrieved 20 July 2015.

[1] Grocer, Stephen (5 February 2019). "Biggest Public Company? Microsoft. Wait, Apple Again. Amazon? No, Back to Microsoft". The New York Times. ISSN 0362-4331. Archived from the original on 20 February 2022. Retrieved 20 February 2022.

[:2-2] "FT 500 2015 Introduction and methodology". Financial Times. 19 June 2015. Archived from the original on 2 September 2016. Retrieved 20 July 2015.

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