Mark Rober

American YouTuber, engineer and inventor

United States

THE NUMBERS

YouTube subscribers

as of 2025-09-20

71.1M

71,100,000

X (Twitter) followers

as of 2023-02-05

505K

505,464

Data: Wikidata (public snapshot). Photo: Wikimedia Commons file page · CC BY-SA 4.0 · Mark Rober. Required attribution — do not remove.

How many followers does Mark Rober have?