how old was markiplier when he started youtu...

February 17, 2026

Markiplier was 22 years old when he started his YouTube channel in 2012.

Quick Scoop: How old was Markiplier when he started YouTube?

Markiplier (Mark Edward Fischbach) was born on June 28, 1989.

He began his YouTube journey in early 2012, registering his first channel on March 6, 2012.

That means he was 22 at the time he started posting content on YouTube.

So if you’ve ever watched those early horror Let’s Plays and wondered how old he was when that whole era kicked off: it was a 22‑year‑old Mark just starting to carve out his now‑massive career on the platform.

TL;DR: Markiplier was 22 years old when he started YouTube in 2012.

Information gathered from public forums or data available on the internet and portrayed here.