What's happening vs What's new vs What's up?

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

What's happening

Top 2,000 (common)

What's new

InformalTop 2,000 (common)

What's up?

InformalTop 2,000 (common)
Most formal: What's happening
 What's happeningWhat's newWhat's up?
Pronunciation🇬🇧 //wɒts ˈhæpənɪŋ//🇺🇸 //wɑts ˈhæpənɪŋ//🇬🇧 //wɒts njuː//🇺🇸 //wɑts nu//🇬🇧 //wɒts ʌp//🇺🇸 //wɑts ʌp//
MeaningA way to ask what is going on.A way to ask someone about recent updates or changes.A casual way to ask someone how they are or what's happening.
ExampleI ran into John at the party and asked, 'What's happening?'Hey, what's new with you?When I saw my friend, I casually said, 'What's up?'
RegisterNeutralInformalInformal
How commonTop 2,000 (common)Top 2,000 (common)Top 2,000 (common)
CollocationsWhat's happening now, What's happening here, What's happening with youask what's new, tell what's new, share what's newWhat's up, buddy?, What's up, man?, What's up with that?, Hey, what's up?, So, what's up?
Antonyms-What's old, Nothing new, No updates-
Common mistakesUsing in formal contexts like business meetings., Confusing with 'What's happening with you?', which is more personalized.Using in a formal meeting., Not following up with a specific question., Forgetting to adjust tone for different relationships.Using it in a formal meeting where a respectful greeting is expected., Misunderstanding it as a question requiring a detailed answer., Not responding appropriately with a casual reply.
Usage notes"What's happening" is informal and often used among friends. It's best avoided in very formal situations.Used in casual conversations among friends or acquaintances. Avoid in formal settings or emails.Used mainly in casual conversations among friends. It may not be appropriate in formal situations.

See it in real clips

What's happening
What's new
What's up?

Frequently asked questions: What's happening vs What's new vs What's up?

What's the difference between What's happening, What's new, and What's up??

What's happening: A way to ask what is going on. What's new: A way to ask someone about recent updates or changes. What's up?: A casual way to ask someone how they are or what's happening.

Which is more formal: What's happening, What's new, and What's up??

What's happening is the most formal of these.

Can you show an example of each?

What's happening: I ran into John at the party and asked, 'What's happening?' What's new: Hey, what's new with you? What's up?: When I saw my friend, I casually said, 'What's up?'

Can I use What's happening, What's new, and What's up? interchangeably?

Not always. What's happening, What's new, and What's up? 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.

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