A mobile app that at least 1 billion people use to communicate with one another.
That's exactly how they work: if the top 5% of people in some cohort earn $X or more, then that means 1 in 20 people in that cohort earn $X or more. OP may have confused one cohort (households) for another…
That's exactly how they work...? And it's stated explicitly that it's a lower bound ("More than").
A mobile app that at least 1 billion people use to communicate with one another.
That's exactly how they work: if the top 5% of people in some cohort earn $X or more, then that means 1 in 20 people in that cohort earn $X or more. OP may have confused one cohort (households) for another…
That's exactly how they work...? And it's stated explicitly that it's a lower bound ("More than").