Most popular languages spoken • English Conversation Questions

What are the most widely spoken languages in the world?
Which language is spoken by the most number of people as their first language?
What are the top 10 most spoken languages in the world?
Is English one of the most spoken languages in the world?
Which countries have the highest number of speakers for their official languages?
How has the popularity of different languages changed over time?
Which languages are considered to be the most “useful” to know in terms of international communication?
What is the difference between a language being widely spoken and a language being widely studied?
What are some languages that are spoken by a small number of people but are still considered important for cultural or historical reasons?
Are there any endangered languages that are spoken by a large number of people?
What factors contribute to a language becoming widely spoken?