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The Em Dash Report

AI labs

Google DeepMind

3.5× since 2022

deepmind.google · 341 posts · 333k words · Feb 2016 to Jul 2026

111 of 126 months in that span carried a post, 15 none. 1 loaded without countable prose.

Per 1k words, 2024–now

2.28

Per 1k words, 2018–2022

0.65

Em dashes counted

379

Posts with at least one

30%

Em dashes per post

Monthly1.75
12-month average2.35
Google DeepMind, latest month in the corpus

By year

En dashes are counted alongside as a control: if em dashes climb while en dashes hold flat, that is a change in writing style rather than a change in typography.

YearPostsEm dashesPer 1k words
202629803.31
202536752.09
202427481.66
202326561.94
202261120.24
202121452.27
20202290.27
201928160.59
201831230.72
201742100.27
20161850.32