The 2018 US midterm elections will decide control of the House, Senate, and 36 governorships. Nearly 50 million Americans aged 18 to 29 are eligible to vote, making Gen Z and younger millennials a theoretically decisive bloc. The problem: according to US Census Bureau data, nearly half of them are either not registered or not civically engaged. That gap is not accidental. Midterm elections structurally favor older, wealthier, more settled voters — people with stable addresses, flexible work schedules, and established voting habits. Young voters face registration friction, polling-place confusion, and a political calendar designed around the rhythms of homeowners, not renters or students. The Guardian's callout asks Gen Z voters what issues matter to them — but the more revealing question is why the system doesn't make it easier for them to show up. Automatic voter registration, same-day registration, and expanded early voting exist in some states but not others. The patchwork is itself a policy choice that determines whose voice counts. Donald Trump's final two years in office hang on these races. If young voter turnout stays at typical midterm levels — historically around 20% for this age group — control of Congress will be decided by a self-selecting electorate that skews older, whiter, and more conservative than the population at large. The gap between eligible and actual voters is where political power is quietly redistributed. This is a participation crisis dressed as apathy. When half a generation is structurally sidelined from the process that determines healthcare access, student debt policy, climate action, and immigration law, the policy outcomes reflect the absence. The issues Gen Z cares about — gun control, climate, college affordability — don't lack popular support. They lack the voting weight to force legislative action. The midterm's real story isn't which party wins the House. It's whether the demographic cohort with the most at stake in long-term policy outcomes will show up in numbers that force both parties to take them seriously. Every percentage point of turnout increase among 18-29 year-olds changes the strategic calculus for 2020 and beyond.