Next in line vs Successor

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

Next in line

Top 2,000 (common)

Successor

Top 3,000 (common)C1noun
Most common: Next in line
 Next in lineSuccessor
Pronunciation🇬🇧 //nɛkst ɪn laɪn//🇺🇸 //nɛkst ɪn laɪn//🇬🇧 /["/səkˈsesə(r)/"]/🇺🇸 /["/səkˈsesər/"]/
MeaningThe person who is waiting for something next.A person who takes over a position or role after someone else.
ExampleShe was the next in line to receive her award.Who's the likely successor to him as party leader?
RegisterNeutralNeutral
How commonTop 2,000 (common)Top 3,000 (common)
CEFR level-C1
Part of speechnoun
Collocationsbe next in line, next in line for promotion, next in line at the counterlogical, natural, obvious, have, appoint, choose, take over, as somebody’s successor, successor as, successor to, the appointment of a successor, the choice of a successor, the election of a successor
Antonyms-predecessor
Common mistakesConfused with 'next to' which refers to position rather than waiting order., Using in non-queue situations, where it's not applicable.Confused with 'predecessor' which means the one before., Using it in informal situations where it doesn’t fit., Spelling mistakes, such as 'sucessor'.
Usage notesUse 'next in line' when explaining waiting order. It's appropriate in most contexts but be careful using it informally.Use in contexts like business, politics, or family. It’s appropriate when discussing someone taking over a role, but not used in casual conversations.

See it in real clips

Next in line
Successor

Frequently asked questions: Next in line vs Successor

What's the difference between Next in line and Successor?

Next in line: The person who is waiting for something next. Successor: A person who takes over a position or role after someone else.

Which is more common: Next in line and Successor?

Next in line is the most common in everyday English.

Can you show an example of each?

Next in line: She was the next in line to receive her award. Successor: Who's the likely successor to him as party leader?

Can I use Next in line and Successor interchangeably?

Not always. Next in line and Successor 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.