How many leagues are there in Duolingo?

Wondering how many leagues are there in Duolingo? Duolingo has ten leagues, and they are Bronze, Silver, Gold, Sapphire, Ruby, Emerald, Amethyst, Pearl, Obsidian, and Diamond.

Duolingo and Consumer Subscription Businesses

Duolingo Leagues explained - Duolingo Guide

An In-Depth DuoLingo Review - Swift, Silent

Duolingo Review: how to use Duolingo in 2023

How Duolingo reignited user growth - by Jorge Mazal

Rosetta Stone vs Duolingo – StoryLearning

Duolingo - To our achievers – and over-achievers: we now offer

The Smarter Language Review of Duolingo - SmarterLanguage

How I won The Diamond League on Duolingo on the first day!!

I thought I had won the diamond league. Duolingo didn't notify me

When Duolingo Leagues End (& 5 Tips To Get Ahead)

Down the wrong path: the disaster of the latest Duolingo UI update

Duolingo - Unlimited XP Points