on average

prep_phrase — 2 senses

on average

prep_phrase

1

Expressed as a measure of central tendency (usually the arithmetic mean).

On average, students spend about 20 hours a week studying.
The journey takes, on average, two hours.

1 more example

U.S. teens spend on average 5 hours per day on social media; nearly half are online constantly.2025 December 9, Rachel Konrad and Matt Abrahams, “Why Young People Are Struggling to Communicate”, in TIME:

2

Idiomatic Usually, typically; as a rule; as often as not.

People these days live longer on average

Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.