"First world problem" is a way of saying that the problem is very low stakes and would only appear in an area where people already have their more basic needs a

"First world problem" is a way of saying that the problem is very low stakes and would only appear in an area where people already have their more basic needs attended to. For example, if I want my coffee to have cinnamon in it and no sugar - but the cinnamon is mixed with sugar. That's a 'first world problem'.