Britannica Sources used in this answer

Which countries use English as a dominant language?

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Global use of the English language — English language Map showing the use of English as a first language, as an important second language, and as an official language in countries around the world.

English is a West Germanic language that serves as a global lingua franca, with approximately 1.5 billion speakers worldwide.12

It is the dominant language in the following countries:
* United States1
* United Kingdom1
* Canada1
* Australia1
* Ireland1
* New Zealand1

Additionally, English is widely used in various island nations across the Caribbean Sea and the Pacific Ocean.1

Beyond these regions, English holds official status in more than 50 countries globally. This includes nations such as India, the Philippines, and Singapore, as well as 22 countries in Africa, including Nigeria, Kenya, and South Africa. In these multilingual contexts, English often functions as a vital tool for administration and regional communication.2314

Note: While English originated in England, the country does not have a designated national language.15