According to Lillian Lehmann, senior business manager at Microsoft (and former Halo business manager), Halo is a "$10 billion franchise" for Microsoft - and that includes games and various other forms of income for the legendary Xbox series.
What's more, a recent interview we covered earlier on today gives us an idea at how much of that figure is brought in from things outside of video games. According to that License Global interview, over $1.8 Billion has been "spent on Halo merchandise" over the years, which is a massive amount coming from sources other than actual game releases.
It's worth noting that the initial $10 billion figure is coming via LinkedIn summaries from a position that the Xbox exec has now left — all the way back in 2019 — so there's every chance that this figure has increased considerably in the last five years or so. In any case, this all points towards the Halo franchise still being a very healthy one for Microsoft and Team Xbox.
Speaking of Halo still being healthy, who's excited for what Xbox has planned for the series' 25th anniversary? We certainly are!