Here is a list of regions and countries where English is either the primary or one of the official languages:

North America

• United States
• Canada

Europe

• United Kingdom
• Ireland

Caribbean

• Jamaica
• Barbados
• Trinidad and Tobago
• Bahamas
• Grenada

Oceania

• Australia
• New Zealand
• Fiji
• Papua New Guinea

Africa

• Nigeria
• South Africa
• Kenya
• Uganda
• Zimbabwe
• Ghana
• Botswana

Asia

• India
• Pakistan
• Philippines
• Singapore
• Malaysia

These countries and regions either have a significant English-speaking population or use English as a lingua franca for government, business, and everyday communication. In some cases, English may not be the mother tongue of the majority of the population but is used as a second language extensively.

For more detailed information or specific demographics, you can refer to Ethnologue's list of countries where English is spoken.