There are _____ people at the event than last year.
There are _____ people at the event than last year.
Explanation
There are fewer people at the event than last year.
تقریب میں گزشتہ سال کے مقابلے کم لوگ موجود ہیں۔
"Fewer" is used for countable nouns like "people" when comparing quantities.