This is especially true for millennials: 89% of millennials say rising prices have them tracking their spending more closely, compared with 84% of Gen Xers, 80% of Gen Zers and 79% of baby boomers. Note: The survey defines Gen Zers as those 18-29; millennials, ages 30-45; Gen Xers, ages 46-61 and baby boomers, ages 62-80. This could make millennial finances tight and reining in spending especially important in the face of rising costs. Which costs are standing out to millennialsSome millennials are finding surprises in both necessary and discretionary expenses. But even amid rising costs, you can take steps to identify why your spending has increased and make adjustments for more breathing room in your budget going forward.