Research and version note This is a version 0.1 research draft in The Future Has No Representative. It examines the intergenerational structure of public debt and is not investment, tax, or budget advice. Fiscal sustainability changes with interest rates, growth, demography, and policy; Australian evidence was reviewed to August 2026.
The Future Has No Representative · Article 4
Quick read
“Leaving debt to our children” is powerful but incomplete language. A government bond is a public liability in the future and an asset for whoever owns it. If borrowing finances a hospital, railway, or flood-protection system that remains useful, later people inherit taxes and interest obligations together with the facility. Borrowing that sustains present consumption without preserving capacity may create a more obvious intergenerational burden. Even consumption expenditure can protect the future, however, when emergency support during war, pandemic, or severe recession prevents lasting destruction of economic and institutional capability.
Public debt is therefore not well understood through a household credit-card analogy. A state commonly refinances maturing debt within a growing economy and continuing tax system rather than paying off every obligation on one final date. The material risks are that interest crowds out services, debt grows faster than revenue capacity, or a future government is forced to raise taxes and cut expenditure at a damaging time. Ownership also matters. Servicing can be largely a transfer from future taxpayers to future domestic bondholders, or it can transfer income abroad.
Australia’s 2023 Intergenerational Report projects population, productivity, care, climate, and budget conditions to 2062–63. The Parliamentary Budget Office’s 2025–26 medium-term outlook tests debt sustainability under long-run scenarios. Neither is a bill sent to the future or a prophecy. They reveal assumptions under which the fiscal path becomes more or less resilient.
Headline debt should also be examined beside unfunded policy commitments and ecological liabilities. Their legal structures differ and they should not be collapsed into one dramatic number, but each can reduce the practical fiscal room available to a later government.
This article does not propose a universal debt ceiling. A defensible assessment considers debt and interest relative to national income, the assets and capabilities created by borrowing, the distribution of tax and benefit, and the state’s remaining capacity to respond to crises. Responsibility to the future is not a rule against borrowing. It is a requirement to disclose the purpose, full-life cost, and servicing structure, to fund the upkeep of long-lived assets, and to show what has been obtained rather than placing liabilities in the accounts while leaving benefits in political slogans.
What “debt per child” leaves out
Public debt is often divided by population and described as an amount owed by every person or newborn child. The expression is vivid, but it is not an individual invoice. Public obligations are serviced by government under budget and law through a wide revenue base. A person’s eventual contribution depends on income, consumption, assets, residence, and the tax system in force. It does not equal average debt per capita.
The debt has a counterpart. When government issues a bond, it creates a liability and an investor acquires a financial asset. If future pension funds, banks, and residents own the bonds, some interest payments transfer resources between future taxpayers and future creditors. Foreign ownership generates an external income flow. In either case, taxes and financial wealth are distributed unequally, so some members of a later generation may be net payers while others receive income.
Per-capita debt also omits public assets. Transport, electricity networks, schools, and digital systems financed today may continue to provide services. The future can receive a liability along with infrastructure that improves productivity, safety, and ordinary life. Reporting debt while ignoring assets and service capability cuts a public balance sheet in half.
This does not allow every loan to be defended as “investment”. Projects can be badly located, exceed budget, or require continuing subsidies after completion. Climate and technology can make an asset obsolete earlier than expected. Its accounting value may exceed the service people can obtain from it. What borrowing leaves behind has to be judged through usability, maintenance responsibility, and distribution, not by the label attached at construction.
Government is not a household, but cannot borrow without limit
A household has finite working income and life, and usually arranges debt around retirement or death. A state with a stable currency, taxing authority, and institutional continuity can replace maturing bonds with new issuance and sustain liabilities within a growing nominal economy. Government also has a macroeconomic stabilisation role. When private demand collapses, deficits can prevent lasting losses in employment, firms, and skills.
The household analogy is consequently poor. Immediate fiscal contraction during recession may lower revenue further and extend social damage. Pandemic support sustained current incomes, but it also protected business relationships, health capacity, and human capital. Bonds were not the only inheritance; the future also received an economy that had avoided part of the crisis’s potential destruction.
The ability to refinance does not imply unlimited capacity. Interest requires real fiscal resources. If the effective interest rate remains above growth while the primary budget stays in deficit, debt relative to the economy can rise persistently. Loss of investor confidence may increase financing costs. Governments borrowing in a currency they do not control, with narrow tax bases or heavy dependence on external finance, often face tighter constraints.
Fiscal space is not an eternal percentage. It is produced by economic size, currency, maturity structure, the investor base, tax capacity, monetary institutions, and political trust. The same debt-to-GDP ratio can have different implications in two states. Intergenerational ethics cannot replace that analysis; the ratios cannot establish fair distribution either.
Why the use of debt changes the moral assessment
Matching borrowing with asset life offers an intergenerational argument. If a bridge serves for eighty years, requiring taxpayers in the year of construction to pay its entire cost may be unfair. Long-term debt permits later users to contribute through taxes and may align payment more closely with benefit.
That defence depends on the facility retaining value. Project appraisal should cover construction, operation, maintenance, renewal, and retirement. Later expenditure cannot simply be left to another budget. If current politics receives the opening ceremony while successor governments receive only repairs and interest, the temporal matching of debt and asset is superficial.
Education, public health, and research leave capacities that do not fit neatly in a fixed-asset register. Skills, disease prevention, and knowledge can benefit the future. Some current transfers may prevent lifelong harm from childhood poverty. Treating every item classified as recurrent expenditure as devoid of future value mistakes a budget category for social reality.
The better question is counterfactual: what would be lost without the borrowing? Does expenditure prevent irreversible damage or increase later ability to adapt? Or does it mainly postpone a current political cost? The answer requires evidence at the programme level rather than a capital-versus-consumption slogan.
What Australian long-term reports can tell us
The Australian Treasury’s 2023 Intergenerational Report projects economic and Commonwealth budget conditions to 2062–63. It examines ageing, technological and digital transformation, climate change and the net-zero transition, demand for care, and geopolitical risk. The exercise shows how existing policies and assumptions could affect revenue, expenditure, and economic capability over four decades.
A projection is not a prediction. Fertility, migration, productivity, wages, disease, interest rates, and policy will depart from assumptions. The report cannot identify the exact debt of the government in 2063 or treat its residents as one interest group. It is more useful as a stress map: if specified conditions broadly persist, which relations between expenditure and the tax base deserve attention now?
The Parliamentary Budget Office’s 2025–26 Medium-Term Budget Outlook: Beyond the Budget updates medium-term projections to 2035–36 and tests fiscal sustainability through 2068–69. The PBO reports that debt-to-GDP continues to improve in most of its long-term scenarios, conditional on future governments managing the budget on scales broadly consistent with the past. It also identifies a structural intergenerational challenge associated with reliance on personal income tax.
This cannot be condensed to “debt is no problem”. Sustainability means that a path is not explosive under assumptions; it does not prove that each expenditure is fair or future services are adequate. Nor does a long-run projection justify cutting any present programme automatically. These reports should expose assumptions, ranges of risk, and the scale of adjustment rather than offering a budget beyond politics.
The next generation is not one account
Fiscal debate often arranges today and tomorrow as two coherent groups. In reality, age interacts with income, wealth, housing, and health. A low-income young adult is both a current taxpayer and a long-term bearer of policy. An older resident may own public bonds and bequeath assets to younger relatives. Migrants will join future populations, and unborn people will enter households and regions with very different resources.
The distribution of servicing depends on the tax system. Consumption taxes can place a larger relative burden on low-income households; progressive income or asset-related taxation produces another result. Borrowing that lifts asset values can also divide existing owners from younger people without housing. Aggregate debt answers none of these questions.
Ecological liabilities belong in the inheritance as well. A government may maintain low financial debt while permitting serious deterioration of water, soil, climate, and biological systems. The fiscal ledger looks clean while restoration costs are real. Borrowing now for mitigation and adaptation can raise financial liabilities and reduce future disaster losses. Calling tradable bonds the only burden left to descendants understates commitments that never entered the accounts.
Unfunded policy commitments produce a similar omission. Ageing, health technology, disaster recovery, and public-sector pensions can create long expenditure pressures without appearing entirely as bonds today. They differ legally from debt and should not simply be added into one dramatic figure labelled “true debt”. Government should nevertheless disclose their conditional effects on future revenue and service. Controlling issued securities while repeatedly creating commitments without a durable revenue basis does not resolve the intergenerational fiscal problem.
This broader view also changes the value of fiscal buffers. Low debt can be useful because it preserves borrowing capacity when an unforeseen emergency arrives, rather than because zero is intrinsically virtuous. Conversely, borrowing that prevents a permanent loss of health, skill, or essential infrastructure may strengthen the tax base from which later obligations are met. Balance-sheet prudence concerns resilience under several futures, not pursuit of the smallest headline at every date.
The intergenerational assessment therefore has fiscal, asset, distributional, and ecological dimensions. A per-capita figure may be effective political communication but is not enough for policy judgment.
How much is too much?
No universal ceiling is persuasive. Debt relative to GDP is a starting point; interest payments relative to revenue may reveal budget pressure more directly. Maturity and currency affect refinancing risk, while growth and tax capacity influence future servicing. Government must also retain room to borrow during war, financial crisis, pandemic, or natural disaster.
Discipline remains possible. A government can publish medium- and long-term paths for debt and interest and disclose sensitivity to growth and rates. Large financed projects should include life-cycle cost and asset-management plans. A recurrent commitment lacking stable revenue should carry a reason for why successors are asked to bear it. Guarantees, public–private partnerships, and other contingent obligations cannot be kept outside scrutiny merely because they are off the headline balance sheet.
Fiscal rules can constrain temptation but should not replace judgment with one hard limit. Mechanical balance during recession can intensify loss; expansion in a boom is not prudent merely because a ceiling has not been reached. A workable framework includes escape conditions and a restoration path, with assumptions checked independently.
A future-generations institution should not demand zero debt. It can more usefully trace what was obtained, who pays, when the burden appears, and whether adjustment capacity remains. Requiring reasons for long-term borrowing is closer to responsibility than prohibiting it through a moral metaphor.
Provisional judgment: borrowing is permissible if capacity and usable value survive
Public debt may be left to the next generation. A categorical ban would force the present to pay the entire cost of long-lived assets and weaken the state’s capacity for crisis response and future-oriented investment. The mere existence of a liability is not the decisive issue.
Defensible borrowing has connected conditions. The path should remain manageable under plausible interest and growth scenarios. Borrowing should protect or create public capabilities that endure. Taxes borne later should not be grossly detached from benefits. Present institutions should also fund maintenance, retirement, and known risks instead of transferring every unfunded responsibility. A claim that expenditure is “for the next generation” is not evidence that these conditions hold.
The most troubling case is a double transfer: current politics receives the benefit, while later people service debt and inherit a neglected or obsolete asset. The strongest case can have the opposite structure. Several generations share payment for a durable service while avoiding larger economic, social, or ecological losses.
The next generation will never settle a single account. Particular people will inherit a tax system, bonds, services, environment, and political capacity from different positions. Present government should disclose that whole inheritance. The headline debt remains relevant, but only alongside the capabilities, assets, and risks left with it does it approach an answer to what the future is actually being given.
Primary sources and further reading
- Australian Treasury, 2023 Intergenerational Report.
- Parliamentary Budget Office, 2025–26 Medium-Term Budget Outlook: Beyond the Budget.
- OECD, Recommendation of the Council on Budgetary Governance.
- International Monetary Fund, Debt Sustainability Analysis.
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