more than and over
Reader's question: What's the difference between more than and over?
Online grammar answer: Many grammar experts believe that in countable numerical expressions you should use:
- more than rather than over
- older than rather than over
- younger than rather than under.
More than 87 people responded.
She is older than 45.
You can’t drive if you’re younger than 16.
Usage changes with time and I think it’s OK to say:
Over 87 people responded.
She’s over 45.
You can’t drive if you’re under 16.
More grammar tips, grammar e-book and e-newsletter
If you found this tip useful, you might like to buy
me, myself, I am
prepositions - in and at
who and that

Grammar
Style guide 