Medicare was created for a different America
Medicare was established in 1965, when the demographic and medical landscape of the United States was very different.
Life expectancy at birth was around 70 years. Today, it is about 78 years, while someone who reaches 65 can expect to live another 19.5 years on average.
Millions of Americans now live into their 80s and 90s. That means Medicare is not simply covering more people—it is financing more years of increasingly complex medical care.
Medicare spending has exploded
When Medicare began, it served roughly 19 million beneficiaries.
Today, the programme covers more than 69 million people, while Medicare spending reached approximately $1.21 trillion in 2025.
The growth is particularly significant because healthcare spending rises sharply with age. Medicare spending for an 85-year-old can be around 2.5 times that for a 66-year-old, while spending on beneficiaries in their 90s can be roughly three times as high.
Chronic disease is driving costs
The US healthcare system is also dealing with a much larger burden of chronic disease.
About 40.3 percent of American adults are obese, while more than 40 million Americans have diabetes and another 115 million have prediabetes, according to figures cited in the analysis.
The CDC estimates that diabetes alone costs the United States approximately $640 billion a year in medical expenses and lost productivity.
Obesity adds nearly $173 billion in annual medical expenditures, while cardiovascular disease and stroke together account for more than $400 billion in direct and indirect costs.
Multiple conditions make patients far more expensive
The most expensive patients are often not those suffering from a single illness.
People with several interacting chronic conditions may require multiple medications, specialists, laboratory testing, imaging, procedures, hospitalisations and long-term monitoring.
Giving such a patient an insurance card does not make those services cheaper. It changes who pays for them.
Modern medicine is also becoming more expensive
Medical technology has advanced dramatically since Medicare was created.
Doctors now have access to treatments such as SGLT2 inhibitors and GLP-1 drugs, along with robotic surgery, biological therapies, gene therapies, implantable devices and AI-assisted medical technologies.
These innovations can improve outcomes and save lives, but better technology does not automatically mean lower healthcare spending.
In some cases, more effective—and more expensive—treatments can increase total healthcare expenditure.
How much could Medicare for All cost?
The Congressional Budget Office has estimated that illustrative Medicare-based single-payer systems could require an additional $1.5 trillion to $3 trillion in federal health subsidies in 2030 alone, compared with current law.
That money would not simply disappear because the government became the payer.
Costs currently carried by employers, individuals and state governments would shift toward the federal government. Financing the difference could require higher taxes, additional borrowing or cuts in other government programmes.
Medicare is not free healthcare
There is also a common misconception that Medicare eliminates healthcare expenses once someone turns 65.
Traditional Medicare includes premiums, deductibles and coinsurance. It also does not have the same annual out-of-pocket maximum found in many private insurance plans.
As a result, millions of beneficiaries buy Medigap policies, enrol in Medicare Advantage or obtain other supplemental coverage.
In 2026, the standard Medicare Part B premium is $202.90 per month, or $2,435 a year, before the deductible and coinsurance are considered.
Among beneficiaries with traditional Medicare, about 43 percent purchase Medigap. The average supplemental premium was approximately $2,604 per year in 2023.
Would lowering the Medicare age solve the problem?
Lowering the eligibility age would expand coverage.
But expanding the number of people covered does not necessarily reduce the cost of providing medical care.
If millions more Americans enter the system, the government would also assume responsibility for financing a larger share of healthcare spending.
That is why the question of who ultimately pays remains central to the Medicare for All debate.
Technology could help reduce waste
The analysis also argues that technology should play a larger role in improving the efficiency of American healthcare.
Clinical, diagnostic, pharmaceutical and financial information should be able to move securely between different parts of the healthcare system.
Artificial intelligence could also help identify unnecessary treatments, duplicated services, fraud, pricing anomalies and differences in patient outcomes.
A universal health “passport” for every American is another proposal, designed to ensure that patient information follows the individual rather than remaining fragmented across institutions.
Blockchain and distributed-ledger technology could potentially help verify transactions and data changes across organisations.
There is no truly free healthcare
One of the central arguments is straightforward: healthcare is never actually free.
Whether the bill is paid by the government, an employer, an insurance company or an individual, someone ultimately bears the cost of providing the care.
That means the US healthcare debate cannot focus only on expanding insurance coverage. It must also address how medical care can be delivered more efficiently and at lower cost.
Conclusion
The Medicare for All debate is ultimately about much more than insurance coverage.
America is facing rising healthcare costs because of an ageing population, increasing chronic disease and the growing availability of sophisticated—and often expensive—medical treatments.
Universal coverage may be a policy goal, but making such a system financially sustainable would require more than shifting the payer. It would require addressing waste, fragmented data, administrative inefficiency, healthcare pricing and the way technology is used across the system.
The fundamental question is therefore not simply who gets healthcare, but how America can pay for better healthcare without allowing the underlying costs to continue rising unchecked.
