Germany's Generational Balance Sheet Is Broken — And Both Sides Know It

Fewer workers per retiree, rising rent burdens, teacher shortages, and accelerating climate exposure. The data shows Gen Z and Boomers trapped in the same structural failure, not a culture war.

Germany's youth protests are drawing attention to a generational contract that the numbers say is already in default. In 1957, 3.73 workers funded each retiree. By 2025, that ratio has collapsed to 2.1, and projections put it at 1.73 by 2045. The pension system now requires €118 billion in annual federal subsidies — roughly a quarter of the entire national budget — just to stay solvent. The number of retirees on basic income support has nearly tripled since 2003, from 257,000 to 738,000.

Housing compounds the squeeze. Low-income households spent 24% of income on rent in 1990; by 2021 that figure hit 36%. Across the population, 11% now spend more than 40% of disposable income on housing, and among those at poverty risk the figure is 35%. The one structural relief valve: Boomers own roughly 4.8 million properties expected to change hands through sale, assisted-living transitions, or inheritance in the coming decades, potentially softening prices in some regions. Education spending per person under 30 has doubled since 2011 — from €4,000 to €8,000 annually — but Germany still lands at 4.6% of GDP, below the 4.7% OECD average. The money cannot outrun a demographic wall: an estimated 27,000-teacher shortage by 2035 driven by Boomer retirements and declining birth rates. More euros chasing fewer people is a declining-returns problem, not a progress story. Climate exposure adds a dimension the Boomers never faced at this scale. The UN projects 2.6°C of warming by century's end under current policies. A 2025 Vrije University study found today's six-year-olds could experience heat waves two to seven times more frequently than Boomers did. Germany's Robert Koch Institute estimated 16,000 heat-related deaths by mid-September 2026 — over 14,000 of them among people over 65. Climate harm hits both ends of the age spectrum. Youth researcher Simon Schnetzer frames the question sharply: have young people been given the conditions to live, work, and fund the system with confidence? His answer is no. But he also insists this is not a zero-sum generational war. Both cohorts are trapped in the same structural failure — a pension system approaching insolvency, a housing market that punishes the poorest, an education pipeline that cannot replace the workforce it is losing, and a climate trajectory that will kill the old and impoverish the young. The extraction pattern is clear: current fiscal structures transfer wealth upward in age and backward in time, borrowing from future productivity to fund present obligations. The €118 billion pension subsidy is the single largest line item in this transfer. Every year the ratio worsens, the subsidy grows, and the remaining workers bear more weight. This is not a policy choice being debated — it is a structural fact already in motion. Schnetzer's prescription — intergenerational solidarity and shared sacrifice — is the right diagnosis but lacks a mechanism. The protests signal that young Germans understand the math. Whether the political system can respond with structural reform rather than symbolic gestures is the question that matters now.