Market capitalisation – or ‘market cap’ – reflects the total value of a company’s outstanding shares, calculated by multiplying the share price by the number of shares. It’s a useful way to compare the size of listed companies across sectors and regions.
Here’s a breakdown of the world’s largest companies by market cap, as of 05 September 2025:
The rankings are based on reported market cap in USD, along with the latest available share price and each company’s primary listing country – as of 05 September 2025. A higher market capitalisation results in a higher rank.
Rank |
Company |
Market cap |
Country |
1 |
NVIDIA | $4.17T | USA |
2 |
Microsoft | $3.77T | USA |
3 |
Apple | $3.56T | USA |
4 |
Alphabet (Google) | $2.76T | USA |
5 |
Amazon | $2.49T | USA |
6 |
Meta Platforms (Facebook) | $1.89T | USA |
7 |
Saudi Armco | $1.53T | Saudi Arabia |
8 |
Broadcom | $1.44T | USA |
9 |
TSMC | $1.24T | Taiwan |
10 |
Tesla | $1.06T | USA |
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