I expect Boom Clap type success. #1 on Pop, lower half of the H100 top ten peak with 4 or 5 weeks in the top ten and 2x Plat. Pretty much IWG but with 400K more sold to cross 2M in the US.
I do expect maybe 200M views for the video down the line, might be a few months, maybe a year IDK. But if WB scored like 160M views, this video will do a little more, I think. 100M streams on Spotify also.
As far as other countries...at least Silver (200K) in the UK maybe Gold (400K) if all goes well, top ten/five peak. Australia is Iggy's birth country so that might help, guessing top ten/five and Platinum - 2x Plat there and by extension New Zealand since it and Australia kinda go hand in hand. And a top 5 peak in Canada with Plat - 2x Plat as well.
And perhaps 3M - 3.5M WW.