In 2023 which is the most commonly used language within the European Union?

I think that all school kids all over the world ought to be taught at least 3 languages, one from each continent of their choice. For instance Asia, Africa and Europe.

It's said that one reason why so many continental Europeans can speak English is because they are so familiar with English-speaking films and popular songs from their youth onwards. (Perhaps that means they speak American rather than English!)

only around 25% of the world understands or speaks English. it might as well be Esperanto.

Olly, oh they do! my children speak English English and the grammar associated with it. Often used as translators and speakers.

Lexii, How many people in the US speak a second language? It's not easy to do for adults.

And 80% of the people in Italy don't speak English.