Bad by 1991 had sold 19 million copies outside the United States, to date it's only certified for 10 million. Meaning it's eligible for 10-12 million units internationally along with another 2 million in the United States. For Dangerous it also sold 19 million outside the US by 1994. Since they've sold more since then, they are both at international sales of 20 million each.
If Bad was certified up to date it should be at 35 million
If Dangerous was certified up to date it should be at 32 million
These are the figures that were both claimed for them, meaning those were likely
True. Thriller in 2009 was claimed to have sold 70 million worldwide, it was certified 29x Platinum in 2009 meaning it's international sales were at 40 million. Thriller has only been certified for 17 million internationally when it was already at 27 million before the release of Dangerous. 1/2