A few days ago, my phone started lighting up.
Friends in Mexico. Friends back in the States. Friends in Europe. All forwarding the same Instagram and Facebook posts with the same energy. “Did you see this?!” “This is amazing!” “Mexico finally did it!” Claudia Sheinbaum announced universal healthcare for all Mexicans, including those living abroad. The posts were celebratory. The comments were full of fire emojis.
And look, I get it. On the surface, it sounds genuinely historic. One system. Every Mexican covered. No more gaps between IMSS and ISSSTE and IMSS-Bienestar and whoever else.
The truth is a lot more complicated than that. This is why.
Mexico’s April 2026 announcement of a “Servicio Universal de Salud” is the country’s fourth major health system restructuring in seven years. It arrives without a dedicated budget, amid real-term spending cuts, and on top of a system where one in three citizens still lacks health coverage. President Claudia Sheinbaum’s presidential decree, issued April 7, 2026, promises any Mexican can seek care at any public institution, IMSS, ISSSTE, IMSS-Bienestar, or Pemex, regardless of enrollment status, with full implementation by 2030. 1
The vision is sweeping. The math does not add up. Independent analysts at CIEP estimate true universal coverage would require 4.6% of GDP in public spending. Mexico currently spends 2.5%. 2 That gap is roughly 200 billion pesos per year, with no identified funding source.
I live in Ensenada. I’ve watched this system up close for years. And I’ve lost people to it.
What the Decree Actually Says — and Doesn’t Say
On April 7, 2026, Sheinbaum announced the decree at her morning press conference. Any Mexican can seek care at any health institution and be received. The mechanism is a financial clearinghouse between institutions. When IMSS treats an ISSSTE patient, ISSSTE reimburses IMSS at month’s end. A new universal health credential replaces individual institutional cards. Registration started April 13 for citizens 85 and older at 2,059 welfare offices nationwide. 1 3
The phased timeline per the decree: 1 4
- January 1, 2027: Universal emergency care and high-priority services including heart attack protocols, stroke care, breast cancer treatment, and high-risk pregnancies
- 2028: Universal prescription fulfillment and hospitalization
- 2030: Full system integration
Supporting infrastructure includes interoperable digital medical records, an electronic prescription system, and a mobile app for appointments and teleconsultation. 3
Here’s the part the Instagram posts left out. The four institutions remain separate entities with separate budgets. This is not a merger. No new legislation was passed. This is an executive decree, reversible by the next president. No dedicated budget was announced. The government stated the system will function “with existing equipment, infrastructure, and personnel.” 4
Opposition legislator Éctor Jaime Ramírez Barba put it plainly: “The credential does not imply care if there is no money.” 2
A System Spending Less Than Any OECD Country
Mexico’s healthcare spending tells the story of structural underinvestment more clearly than any press conference. At $1,200 to $1,588 per capita (purchasing power parity), Mexico is the lowest spender in the entire OECD, roughly one-quarter of the $5,967 average. Public spending sits at just 2.5% of GDP, against a WHO recommendation of 6%. 5 6
| Indicator | Mexico | OECD Average | Canada | United States |
|---|---|---|---|---|
| Health spending (% GDP) | 5.5–5.9% | 9.3% | 11.3% | 16.6–17% |
| Per capita (USD PPP) | $1,200–1,588 | $5,967 | ~$8,119 | $14,885 |
| Physicians per 1,000 | 2.5–2.7 | 3.5–3.9 | 2.7 | 2.6 |
| Nurses per 1,000 | 3.0 | 9.2 | 10.0 | ~12 |
| Hospital beds per 1,000 | 1.0 | 4.2 | 2.5 | 2.8 |
| Maternal mortality (per 100K births) | 42 | 10.3 | ~8 | ~21 |
| Preventable mortality (per 100K) | 243 | 145 | ~100 | ~150 |
| Life expectancy (years) | 75.5 | 81.1 | ~82 | ~78 |
The spending inequality inside Mexico’s own system is equally damning. Per CIEP’s 2026 analysis, a Pemex employee receives 30,138 pesos per year in healthcare spending. An IMSS affiliate gets 10,074 pesos. An IMSS-Bienestar patient, the uninsured poor the system is supposed to serve, gets just 4,412 pesos. The gap between best- and worst-funded patients is 6.3 to 1. 2
The 2026 budget concentrates its increases in IMSS (+58.2 billion pesos) while IMSS-Bienestar gets a 0.8% real increase. The National Cancer Institute faces a 32% cut versus 2024 spending. The National Institute of Medical Sciences and Nutrition faces a 33% cut. 2
You don’t build universal healthcare by cutting your cancer institutes.
People Are Dying From Systemic Failures, Not Just Underfunding
This is where it stops being abstract.
Mexico’s treatable mortality rate is 175 deaths per 100,000, more than double the OECD average of around 80. Its preventable mortality rate of 243 per 100,000 exceeds the OECD average by 67%. 6 A 2025 study in the Lancet Regional Health found that healthcare-amenable mortality attributed to low quality of care rose from 52.5% in 2012 to 57.2% in 2021. 8
In plain language: more than half of people who die from treatable conditions in Mexico die because the care they received was bad. Not because they never received care at all.
I knew one of those people.
Manny was a fixture of the Ensenada expat community. The kind of person who made this place feel like home, genuinely beloved, the sort of person whose absence you feel in rooms he never even entered. When he died, hundreds showed up to his memorial. It’s been almost a year and people still talk about him like the loss is fresh. Because it is.
He didn’t have to die.
Manny went to IMSS in the early stages of what turned out to be diverticulitis. Months before it became sepsis. Months before it killed him. The doctors treated him for intestinal parasites. Nobody ran a stool test to confirm that diagnosis. Nobody ordered imaging to rule out anything else. By the time he reached a real doctor across the border, the sepsis was too far gone.
Diverticulitis is treatable. Caught early, it’s managed with antibiotics and dietary changes. A basic abdominal CT scan, standard diagnostic workup in any functional system, would have found it. Nobody ordered one. Nobody checked. They made a guess, wrote a prescription, and sent him home.
Manny died because Mexican doctors couldn’t be bothered to run a test.
Maternal mortality is four times the OECD average at 42 per 100,000 live births, making Mexico the second-worst performer among OECD countries. 7 During COVID-19, IMSS hospitals had the highest patient fatality rates of any subsystem, even after adjusting for age, sex, and existing conditions. 9
Thirty-day mortality after a heart attack in Mexico is 22.6%. The OECD average is 6.5%. 5
IMSS generates more complaints to CONAMED (national medical arbitration commission) and the CNDH (national human rights commission) than any other institution. Between 2010 and 2016, 7 in 10 public-sector medical complaints at CONAMED targeted IMSS, totaling 6,870 cases. Only 2 in 100 resulted in rulings against the physician. The NGO “No Más Negligencias Médicas” estimates 80% of medical negligence cases go unreported entirely. 10 11
Documented deaths beyond Manny: 13 newborns from Klebsiella bacteria at an IMSS hospital in Culiacán. A baby who died after being disconnected from oxygen for 15 minutes at IMSS Hospital No. 15 in Reynosa in 2025. An infant left permanently blind after an IMSS ophthalmologist in Ciudad Obregón removed the wrong eye. 12
A 2024 study in Frontiers in Public Health found that hospital accreditation in Mexico’s public system failed to improve quality and was actually associated with increased mortality, including from heart attacks. 13
These aren’t edge cases. They’re what no accountability looks like.
What the System Doesn’t Cover — and What Patients Actually Pay
Mexico’s public system nominally offers comprehensive care. The gap between that and reality is vast.
Specialist referrals at IMSS require gatekeeping through an assigned primary care doctor. You can’t choose your physician. Documented wait times reach 6 months for benign breast tumor surgery, 1 year for hernia repair, and 2 years for orthopedic procedures. IMSS performed 1.78 million surgeries in 2025 but fell 220,000 short of its 2-million target. 14
Medications not on the formulary must be purchased out-of-pocket. For voluntary IMSS enrollees, pre-existing malignant tumors, congenital diseases, chronic degenerative diseases, HIV, and mental illness are excluded entirely. Eye care, dental care, and infertility treatments aren’t covered. Home medical equipment, oxygen concentrators, wheelchairs, hospital beds, has no systematic coverage. Private rental companies exist specifically to fill that gap.
Which brings me to a story that captures the whole problem in a single sentence.
A woman here in Ensenada got pneumonia. She went to get care. They gave her antibiotics, which is actually the right call for bacterial pneumonia. But there were no beds, so she was discharged. She needed supplemental oxygen to recover. The hospital’s answer: go rent oxygen bottles yourself. Out of pocket.
She couldn’t afford it. A local charity paid for her oxygen. Without that intervention, she would have died. Not from lack of a diagnosis. Not from lack of treatment. From a system that treated the infection and abandoned the patient.
Then there’s a friend of a friend who started having serious vertigo episodes. She went to IMSS. They prescribed her metformin and a statin. Nobody took a finger prick. Nobody ran a blood panel to check whether she was actually diabetic or had high cholesterol. She had neither. The metformin dropped her blood sugar to dangerous levels and she fainted. If she’d hit her head, she’d be dead. She’s now seeing a private specialist. It’s expensive, ongoing, and only possible because she had the resources to seek care outside the system that nearly killed her.
The medicine shortage makes all of this worse. IMSS left 4.5 million prescriptions unfilled in 2024, three times pre-2019 levels. Between 2020 and 2022, 50.4 million prescriptions went unfilled across the public system. 15 16 The crisis was triggered when AMLO centralized procurement, banned three major pharmaceutical distributors, and outsourced logistics to UNOPS, producing warehouse saturation, 18-month payment delays to suppliers, and factory closures. In April 2025, the Anti-Corruption Secretariat annulled a consolidated purchase after detecting overpricing exceeding 13 billion pesos. 17
The result: household health spending increased 41.4% in real terms between 2018 and 2024. Medicine spending by families more than doubled (116% increase). Catastrophic health expenditures grew 64.5%, with 287,000 households falling into poverty due to health costs. 18 Six in ten people who needed care used private facilities or pharmacies, despite 63% reporting public insurance affiliation. 19
Mexico now has the highest out-of-pocket spending in Latin America at 41.37% of total health expenditure. 18
The Antibiotic Problem Nobody Talks About
Walk into any pharmacy in Ensenada with a cold. You’ll leave with an antibiotic injection and a fistful of OTC drugs. This is standard. Nobody questions it.
My ex-husband was a perfect example of this. Every time he got sick, including the kind of minor stuff that just needs rest and fluids, he’d run straight to the pharmacy doctor for an antibiotic shot. That was just what you did. When I got a virus once, he was genuinely upset that I wasn’t doing the same. I took NyQuil and DayQuil, let my immune system do its job, and recovered fine. To him, not getting a shot was almost irresponsible. The pharmacy visit wasn’t just medical habit. It was cultural. Proof that you were taking your health seriously.
The pharmacy doctor gets paid per visit, per injection, per prescription. Doing nothing costs them the patient. So they always do something, even when something is wrong. The antibiotic didn’t help my virus. It never could. But it completed the ritual.
After Mexico restricted over-the-counter antibiotic sales in 2010, consumption dropped significantly. But the regulation inadvertently triggered a 340% surge in pharmacy-adjacent clinics (consultorios adyacentes a farmacias, or CAFs) between 2010 and 2014, reaching approximately 15,000 clinics serving 10.6 million patients monthly. 20
A UNAM study using simulated patients at 280 Mexico City CAFs found 70% of antibiotic prescriptions were incorrect. For acute pharyngitis, typically viral, 70% of CAF doctors prescribed antibiotics. For acute diarrhea, 82% prescribed antibiotics. For uncomplicated urinary tract infections, 98% prescribed antibiotics, primarily ciprofloxacin, despite documented resistance rates exceeding 50% for urinary E. coli in Mexico. 20
Resistance data from a 47-center, 20-state study published in PLOS ONE: 53% multidrug resistance in Acinetobacter species, 40% carbapenem resistance in Pseudomonas aeruginosa, and over 50% resistance to ciprofloxacin in urinary E. coli. Approximately 70,100 people died from antimicrobial resistance-related causes in Mexico in 2019. 21 22
Researcher Carlos Amábile-Cuevas characterized the post-2010 decade as a “lost decade” in antibiotic stewardship, where consumption declined partly due to growing poverty rather than actual public health progress. 23
This is a direct consequence of a system that rewards prescribing over diagnosing.
Four Systems in Seven Years
Understanding this decree requires understanding what it’s built on.
Seguro Popular (2003–2019) covered roughly 53 million people with a defined benefit package of 1,407 to 1,807 interventions. A 2023 Lancet paper documented that population health and financial protection improved as the program matured. It had real gaps and inequalities, but it worked better than what replaced it. 24
INSABI (2020–2023): AMLO dissolved Seguro Popular and replaced it with INSABI, promising free universal care. Coverage collapsed from 37% to 13% of the population. Less than 40% of procured medicines were delivered to states by July 2022. INSABI was formally dissolved in April 2023 after the government admitted it had failed. 25 26
IMSS-Bienestar (2023–present) absorbed INSABI’s functions with inherited debts exceeding 11 billion pesos. It operates in only 24 of 32 states. Seven governors refused to hand over their hospitals. It projects 50 million consultations for 2025, a 27% drop from Seguro Popular’s 90.1 million in 2016. The population without social security more than doubled, from 20.1 million in 2018 to 44.5 million in 2024. 19 25
Servicio Universal de Salud (April 2026) is the fourth layer, built on the same unstable foundation.
México Evalúa assessed the announcement bluntly: “A universal system without sufficient financing is not progress: it is a silent redistribution of shortages.” 27
A Journal of Public Health Policy study covering 23 years of Mexican health reform found that expanding insurance coverage consistently failed to improve ambulatory care quality, and that out-of-pocket spending increased despite rising coverage rates. 28
What Countries That Actually Did This Built First
Every country that achieved working universal healthcare built infrastructure before making promises.
Thailand spent two decades constructing primary care health centers in all sub-districts and community hospitals before launching universal coverage in 2001. It deployed 1 million village health volunteers and required all new medical graduates to serve 3 years in rural public facilities. Thailand achieved near-universal coverage at 4.5% of GDP because it invested in primary care before declaring victory. 29
Costa Rica unified all hospitals under a single institution (CCSS) in 1973 and created multidisciplinary primary care teams with geographic empanelment. It implemented 260+ annual performance indicators for accountability. Life expectancy reaches approximately 80 years on 7.3% of GDP. 30
South Korea merged 350+ fragmented insurance societies into a single National Health Insurance Service in 2000, achieving universal coverage in 12 years through incremental mandatory expansion. 31
Brazil enshrined health as a constitutional right in 1988 and deployed over 43,000 Family Health Strategy teams with community health workers, creating political durability that survived 35 years and multiple administrations. 32
The common thread: adequate funding, institutional stability across political transitions, primary care as the foundation, unified risk pooling, and measurable accountability. Mexico currently fails on every one of these.
| What Built Working Universal Systems | Mexico's Current Status |
|---|---|
| 7–9% GDP public health spending | 2.5% GDP public spending [2] |
| Unified risk pooling | 4 separate institutions, separate budgets [1] |
| Primary care infrastructure first | 65% of municipalities lack hospital beds [33] |
| Stable institutions across administrations | 4th restructuring in 7 years [25] |
| Nurse-to-population ratio at standard | Lowest in OECD at 3.0 per 1,000 [5] |
| Accountability mechanisms with teeth | 2% complaint resolution rate against physicians [10] |
| Dedicated budget for expansion | No new budget identified [2] [4] |
The Verdict
The Servicio Universal de Salud decree contains real building blocks. The interinstitutional clearinghouse, interoperable digital records, and credentialing system are genuine operational innovations. The infrastructure investments, 31 new hospitals, 816 pieces of medical equipment, 260 reactivated operating rooms, are tangible commitments. 3
But the central contradiction remains unresolved. You can’t expand access to a system that already can’t serve the people it covers. IMSS is the most-complained-about institution in the country. Medicine shortages persist at triple pre-2019 levels. Specialist wait times stretch to years. National health institutes are taking 30%+ budget cuts.
PAN legislator Marcelo Torres Cofiño compared the decree to “inviting 130 million people to a party where there is only food for 40.” 34
I think about Manny. I think about the woman who almost died because there was no oxygen. I think about my friend’s friend who fainted from a medication she never needed. I think about the years my ex-husband spent trusting a $5 pharmacy doctor to manage his health with whatever antibiotic happened to be in stock.
These aren’t horror stories from a broken fringe. They’re just Tuesday in Ensenada.
The people forwarding those Instagram posts aren’t wrong to want this to be real. Universal healthcare is worth wanting. Worth fighting for.
It’s just not worth celebrating before the money shows up.
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