Concern vs Issue

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

Concern

Top 1,000 (very common)B2verb

Issue

Top 1,000 (very common)B1noun
 ConcernIssue
Pronunciation🇬🇧 /["/kənˈsɜːn/","/kənˈsɜːnz/","/kənˈsɜːnd/","/kənˈsɜːnɪŋ/"]/🇺🇸 /["/kənˈsɜːrn/","/kənˈsɜːrnz/","/kənˈsɜːrnd/","/kənˈsɜːrnɪŋ/"]/🇬🇧 /["/ˈɪʃuː/"]/🇺🇸 /["/ˈɪʃuː/"]/
Meaninga worry or issueA problem or topic that people discuss.
ExampleThe news of the accident caused great concern among the community.The main issue we need to address is the lack of communication.
RegisterNeutralNeutral
How commonTop 1,000 (very common)Top 1,000 (very common)
CEFR levelB2B1
Part of speechverbnoun
Collocationsdirectly, mainly, mostly, in, directly, mainly, mostly, in, a lot, greatly, reallybig, burning, central, number, range, series, raise, debate, discuss, arise, surround something, underlie something, at issue, on an/​the issue, issue about, make an issue of something, big, burning, central, number, range, series, raise, debate, discuss, arise, surround something, underlie something, at issue, on an/​the issue, issue about, make an issue of something, current, back, special, bring out, publish, come out, go on sale, be out, in an/​the issue
Antonymsindifference, apathysolution, answer
Common mistakesConfusing 'concern' as a noun and verb., Using 'concern to' instead of 'concern with' or 'about'., Mistaking 'concern' for 'care' in certain contexts.'Issue' confused with 'problem' when referring to minor matters that don't require attention., Using 'issue' without a clear context, making it sound vague or unclear., Overusing 'issue' in informal settings, where a simpler term might be more appropriate.
Usage notesUsed in both spoken and written language. Can express personal feelings or formal issues. Avoid using in overly casual conversations.Use 'issue' in discussions or formal settings to refer to problems or topics. Avoid using it in very casual conversations where simpler words like 'problem' might fit better.

See it in real clips

Concern
Issue

Frequently asked questions: Concern vs Issue

What's the difference between Concern and Issue?

Concern: a worry or issue Issue: A problem or topic that people discuss.

Which is more advanced: Concern and Issue?

Concern is the highest level, at B2, on the CEFR scale.

Are Concern and Issue the same CEFR level?

Concern: B2, Issue: B1 on the CEFR scale.

What part of speech are Concern and Issue?

Concern: verb, Issue: noun.

Can you show an example of each?

Concern: The news of the accident caused great concern among the community. Issue: The main issue we need to address is the lack of communication.

Can I use Concern and Issue interchangeably?

Not always. Concern and Issue 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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