Let's compare to the other relevant data: Average retirement age for Americans*
If the stats in the OP are right, a median age of 49 would put the half of Mustachians below that in the very first bubble (<50), and in the top 1% of Americans. The median MMMer ERing in 2018 and reporting in that thread is in the top 1% of Americans retiring. Nice.
In fact, except for the two people who reported 60+, everyone else falls below that giant bubble, which means they're in the top 18%. Let's round to 20. The vast majority of MMMers retiring this year and reporting in that thread are in the top 20% of Americans, even if they are in their late 50s.
Aka, even your late 50s is still a very early retirement. :)
Pretty awesome.
*I understand this site has a broad international demographic, but the majority are still American, and American retirement age is likely more relevant than worldwide retirement age, which doesn't happen for most people worldwide, still.
(Image credit to recent
Financial Samurai article agreeing with Suze Orman that 5MM+ is needed to retire early.)