These non-Steam player numbers are not publicly accessible, but estimates put the total number of all active players at around 450,000. This is a huge fall from the peak of over one million players during the start of October.
The game has seemingly hemorrhaged players due to a number of failings—promised server transfers being delayed, lack of cross regional transfers, and bugs that break the game—taking weeks to fix.
Additionally the new Outpost Rush mode has sparked a revival in the remaining playerbase. A solid playerbase of around 450,000 players is nothing to turn your nose up at. It still leaves the game in the top-five most-played games on Steam, and one of the most-played MMOs in the world right now.
Still looking into New World? Check out How to check New World Server Population? – How to check Server Queues on Pro Game Guides.