In 2009, Ecxxon Mobil Corp had a market capitalization of approximately ****** billion U.S dollars, making it the largest company in the world at the time. Five of the ten largest companies worldwide in 2009 were based in the United States, with three from Europe and two from China.

Graph and download economic data for Value Traded of Top 10 Traded Companies to Total Value Traded for United States (DDAM01USA156NWDB) from 1998 to 2016 about market cap, companies, stock market, and USA.

Largest companies by market cap

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.

Data from: https://companiesmarketcap.com/

*********** was the leading company in the United Kingdom by market capitalization as of October 11, 2024. Headquartered in Cambridge, England, the pharmaceutical and biotechnology company had a market capitalization of approximately ****** billion U.S. dollars.

Amazon is the biggest consumer internet and online service company worldwide with a market cap of approximately 1.34 trillion U.S. dollars as of June 2023. Amazon was ranked first among selected online companies operating in the retail, real estate, mobility, travel and hospitality sectors. The digital commerce platform Alibaba.com ranked second with a market cap of 214 billion U.S. dollars.

Continuously updated global ranking of the world’s largest publicly traded technology companies by market capitalization (USD) as displayed on Capital.com. The table lists each company’s rank, market cap in USD, latest share price and primary listing country; rankings reflect reported market caps as of the stated date and are updated over time.

Largest UK companies by market cap

The largest UK companies by market cap are those listed on the UK stock exchange with the highest total value of all shares, representing their perceived worth by investors. These companies, such as BP, Shell, Unilever, HSBC Holdings, and GlaxoSmithKline, are considered some of the most valuable and powerful in the country, with a significant impact on the global economy. AstraZeneca, Rio Tinto, and Reckitt Benckiser are also notable high-market cap companies in the UK, reflecting their strong foothold in their respective markets.

Graph and download economic data for Market Capitalization Outside of Top 10 Largest Companies to Total Market Capitalization for Indonesia (DDAM02IDA156NWDB) from 1998 to 2017 about market cap, Indonesia, companies, and stock market.

According to Forbes Global 2000 ranking released on June 12, 2025, Taiwan Semiconductor was the biggest public company in Taiwan, with a market value of around 708 billion U.S. dollars, up from 672 billion U.S. dollars in the previous years' evaluation. As a global foundry leader, Taiwan Semiconductor generated around 97 billion U.S. dollars in sales revenue in 2024.

Graph and download economic data for Market Capitalization Outside of Top 10 Largest Companies to Total Market Capitalization for China (DDAM02CNA156NWDB) from 2001 to 2020 about market cap, companies, stock market, and China.

Market capitalization refers to the total dollar market value of a company's outstanding shares of stock. Commonly referred to as "market cap," it's calculated by multiplying the total number of a company's outstanding shares by the current market price of one share.

Here we have collected the data from: https://companiesmarketcap.com/ Date: 15/03/2022

Graph and download economic data for Market Capitalization Outside of Top 10 Largest Companies to Total Market Capitalization for Poland (DDAM02PLA156NWDB) from 1998 to 2020 about market cap, Poland, companies, and stock market.

Actual value and historical data chart for World Market Capitalization Of Listed Companies Us Dollar

Graph and download economic data for Market Capitalization Outside of Top 10 Largest Companies to Total Market Capitalization for Norway (DDAM02NOA156NWDB) from 1999 to 2017 about Norway, market cap, companies, and stock market.

Graph and download economic data for Market Capitalization Outside of Top 10 Largest Companies to Total Market Capitalization for Switzerland (DDAM02CHA156NWDB) from 1998 to 2018 about market cap, Switzerland, companies, and stock market.

Graph and download economic data for Market Capitalization Outside of Top 10 Largest Companies to Total Market Capitalization for Greece (DDAM02GRA156NWDB) from 1998 to 2020 about Greece, market cap, companies, and stock market.

Canada CA: Market Capitalization: Listed Domestic Companies data was reported at 2,744.720 USD bn in 2022. This records a decrease from the previous number of 3,264.137 USD bn for 2021. Canada CA: Market Capitalization: Listed Domestic Companies data is updated yearly, averaging 910.231 USD bn from Dec 1977 (Median) to 2022, with 45 observations. The data reached an all-time high of 3,264.137 USD bn in 2021 and a record low of 173.942 USD bn in 1977. Canada CA: Market Capitalization: Listed Domestic Companies data remains active status in CEIC and is reported by World Bank. The data is categorized under Global Database’s Canada – Table CA.World Bank.WDI: Financial Sector. Market capitalization (also known as market value) is the share price times the number of shares outstanding (including their several classes) for listed domestic companies. Investment funds, unit trusts, and companies whose only business goal is to hold shares of other listed companies are excluded. Data are end of year values converted to U.S. dollars using corresponding year-end foreign exchange rates.;World Federation of Exchanges database.;Sum;Stock market data were previously sourced from Standard & Poor's until they discontinued their 'Global Stock Markets Factbook' and database in April 2013. Time series have been replaced in December 2015 with data from the World Federation of Exchanges and may differ from the previous S&P definitions and methodology.

Graph and download economic data for Value Traded of Top 10 Traded Companies to Total Value Traded for China (DDAM01CNA156NWDB) from 2001 to 2020 about market cap, companies, stock market, and China.

As of September 2025, the New York Stock Exchange (NYSE) and the Nasdaq - the two largest stock exchange operators in the United States - held a combined market capitalization for domestic listed companies of over ** trillion U.S. dollars. Both markets were almost evenly sized at this point in time - at approximately **** and **** trillion U.S. dollars, respectively. However, the Nasdaq has grown much quicker than the NYSE since January 2018, when their respective domestic market caps were ** and ** trillion U.S. dollars. Much of this can be attributed to the success of information technology stocks during the global coronavirus (COVID-19) pandemic, as the Nasdaq is the traditional venue for companies operating in the tech sector.

The New York Stock Exchange (NYSE) is the largest stock exchange in the world, with an equity market capitalization of almost ** trillion U.S. dollars as of November 2025. The following largest three exchanges were the NASDAQ, PINK Exchange, and the Frankfurt Exchange. What is a stock exchange? A stock exchange is a marketplace where stockbrokers, traders, buyers, and sellers can trade in equities products. The largest exchanges have thousands of listed companies. These companies sell shares of their business, giving the general public the opportunity to invest in them. The oldest stock exchange worldwide is the Frankfurt Stock Exchange, founded in the late sixteenth century. Other functions of a stock exchange Since these are publicly traded companies, every firm listed on a stock exchange has had an initial public offering (IPO). The largest IPOs can raise billions of dollars in equity for the firm involved. Related to stock exchanges are derivatives exchanges, where stock options, futures contracts, and other derivatives can be traded.