Here's a better way to answer your question:
Yoruba is primarily spoken in:
* Nigeria: This is where the majority of Yoruba speakers live.
* Benin: A significant number of Yoruba speakers reside in Benin.
* Togo: A smaller community of Yoruba speakers exists in Togo.
Other countries with Yoruba speakers:
* United States: Due to migration, there is a growing community of Yoruba speakers in the US.
* United Kingdom: Similar to the US, a diaspora community exists in the UK.
It's important to remember:
* The exact number of Yoruba speakers worldwide is difficult to determine precisely.
* Language use and prevalence can vary within these countries, with Yoruba being more dominant in certain regions than others.