https://wccftech.com/monster-hunter-world-iceborne-4-million/

Capcom has announced that last year’s Monster Hunter World Iceborne expansion has shipped over 4 million units globally.

The publisher announced the news through a new press release. According to Capcom, shipped units include sales of the console version of the expansion, which was released back in September of 2019, and initial sales of the PC version on Steam. These sales numbers include digital sales of the Iceborne expansion and both physical shipments and digital sales of the Monster Hunter World: Iceborne Master Edition which includes the base game and the Iceborne expansion.