Do you want to know vs You wanna know

When to use each in English, with meaning, register, and examples.

Do you want to know

Top 2,000 (common)

You wanna know

InformalTop 2,000 (common)
Most formal: Do you want to know
 Do you want to knowYou wanna know
Pronunciation🇬🇧 //dʊ jʊ wɒnt tə nəʊ//🇺🇸 //du jʊ wɑnt tə noʊ//🇬🇧 //jʊˈwɒnə nəʊ//🇺🇸 //jə ˈwɑnə noʊ//
MeaningA phrase asking if someone is curious about something.You want to know something.
ExampleDo you want to know what happened at the meeting?You wanna know why I didn't come yesterday?
RegisterNeutralInformal
How commonTop 2,000 (common)Top 2,000 (common)
CollocationsDo you want to know the truth, Do you want to know why, Do you want to know morewanna know more, you wanna tell, if you wanna talk
Common mistakesOmitting 'to' in 'Do you want know?', Using 'are' instead of 'do' as in 'Are you want to know?', Confusing with 'Do you want to know about?' when specific information follows.Using 'wanna' in formal writing., Confusing 'you wanna' with 'you want to' in speech., Not following up with what you actually want to know.
Usage notesUsed to introduce information. Appropriate in both formal and informal contexts. Avoid in overly casual settings.Commonly used in casual conversation. Avoid in formal settings. Can imply curiosity or impatience.

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Do you want to know
You wanna know

Frequently asked questions: Do you want to know vs You wanna know

What's the difference between Do you want to know and You wanna know?

Do you want to know: A phrase asking if someone is curious about something. You wanna know: You want to know something.

Which is more formal: Do you want to know and You wanna know?

Do you want to know is the most formal of these.

Can you show an example of each?

Do you want to know: Do you want to know what happened at the meeting? You wanna know: You wanna know why I didn't come yesterday?

Can I use Do you want to know and You wanna know interchangeably?

Not always. Do you want to know and You wanna know are related and overlap in some contexts, but they differ in register, how common they are, and usage, so swapping one for another can change the meaning or tone. Check the differences above before substituting.