1. English:
* North America: United States, Canada
* South America: Guyana
* Africa: South Africa, Nigeria, several other countries
* Asia: India, Pakistan, Singapore, several other countries
* Australia: Australia, New Zealand
2. Spanish:
* North America: Mexico, several Central American countries
* South America: Most South American countries
* Africa: Equatorial Guinea
* Europe: Spain
* Asia: Philippines
Let me know if you'd like more examples!