Most realms in the US have been updated with new population data. The vast majority of realms are now listed as "Medium", rather than "Low" : r/wow
WoW Classic & WoW Classic TBC Server Populations
WoW Classic Server Population 2021: How to Check
Classic WoW Realm Population Report - Data Aggregated Through Community - Wowhead News
Monsterdruid on Twitter: "@WarcraftDevs @WarcraftDevs I just tested it. Moving a character from a Full server, to another Full server. Why are low population servers not prioritized? Please just do more server
My low pop server still has no Elemental Lariat recipe 5 days after elemental invasion start : r/wow
Can You Make Gold on Low Pop Servers - YouTube
I just transferred from a low population realm to a full population realm. This was amazing to me. : r/wow
Blizzard expects World of Warcraft: Classic servers to be "more crowded" than ever before. - Inven Global
How to Choose the Perfect Server/Realm for World of Warcraft Using Realm Pop