Me neither vs Neither do i

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

Me neither

InformalBeyond 10,000 (less common)

Neither do i

Top 2,000 (common)
Most formal: Neither do iMost common: Neither do i
 Me neitherNeither do i
Pronunciation🇬🇧 //miː ˈniːðə//🇺🇸 //mi ˈniːðər//🇬🇧 //ˈnaɪðər duː aɪ//🇺🇸 //ˈniːðər du aɪ//
MeaningI agree with you that I don't either.I also don't do that.
ExampleShe won't be attending the party, and me neither.I don't like pineapple on pizza.
RegisterInformalNeutral
How commonBeyond 10,000 (less common)Top 2,000 (common)
Collocationsagree with me neither, say me neither, respond with me neitherneither do I, neither does he, neither did they
Common mistakesUsed in a positive context (e.g., 'Me neither like it.'), Confused with 'me too' for positive statements., Omitting the context that should be negative.Saying 'me neither' which is informal and less grammatically correct., Confusing with 'either do I' which is used for positive statements., Incorrectly using 'neither I do' instead of 'neither do I'.
Usage notesUsed in casual conversations to agree with a negative statement. Avoid in formal writing.Used to agree with a negative statement. Common in conversation; less formal in written contexts.

See it in real clips

Me neither
Neither do i

Frequently asked questions: Me neither vs Neither do i

What's the difference between Me neither and Neither do i?

Me neither: I agree with you that I don't either. Neither do i: I also don't do that.

Which is more formal: Me neither and Neither do i?

Neither do i is the most formal of these.

Which is more common: Me neither and Neither do i?

Neither do i is the most common in everyday English.

Can you show an example of each?

Me neither: She won't be attending the party, and me neither. Neither do i: I don't like pineapple on pizza.

Can I use Me neither and Neither do i interchangeably?

Not always. Me neither and Neither do i 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.