Life Expectancy After Spinal Cord Injury: The Real Numbers, and What Moves Them

If you search "paraplegic life expectancy" or "how long do quadriplegics live," the first page is personal-injury law firms. Some of them quote a number, 12.8 years, that does not come from any dataset I can find and that would mean most of the people I know should already be dead. Below the law firms is the National Spinal Cord Injury Statistical Center, which has the real numbers and presents them in a table that takes a statistics course to read.

This page is the table, explained, and then the part that matters more: what people with spinal cord injuries actually die of, which turns out to be a short list of things this site has a guide for, and the handful of factors that research has tied to living longer. I am not going to tell you the numbers are not real. They are. I am going to tell you they are averages of a population that includes everyone who never got good care, and that the gap between you and someone without an injury is made mostly of preventable things.

The numbers

These are from the 2026 Facts and Figures at a Glance, built from the U.S. Model Systems database, the largest and longest-running spinal cord injury registry in the world. The figures are remaining years of life for a person at a given age. The injury categories use the ASIA Impairment Scale: AIS A to C means motor-complete or mostly complete, AIS D means motor-incomplete with useful strength.

If you have survived the first year after injury

If you are counting from the first 24 hours after injury

Why two tables: the first year after injury carries most of the early risk, so the outlook for someone who has already made it through year one is better than the outlook on day one. Look at the ventilator column. From the first day, a 20-year-old is given about 10 years; after surviving the first year, about 16 and a half. If you are reading this a year or more out, the first table is yours.

How to read them

• They are averages across everyone in the database since 1973. That includes people injured before modern bladder care existed, people who never saw an SCI specialist after discharge, people with no insurance, heavy smokers, and people living in nursing homes with no pressure-relief mattress. It also includes people who did everything right. The average sits in the middle. Where you land depends on which group you are in, and much of that is a choice, which is the point of the second half of this page.
• The risk is a multiplier that shrinks with age. Statisticians compare the deaths that actually happen in each group with the deaths expected in people of the same age, sex, and race without an injury; the ratio is the standardized mortality ratio. In the 2025 annual report, a ventilator-dependent person under 31 who has survived the first year has about 48 times the mortality of a peer without an injury. A person with paraplegia under 31 has about 5.5 times; a person with a motor-incomplete injury under 31, 2.6 times. Over 60, those fall to about 8, 2.5, and 1.7 times. A 65-year-old with an AIS D injury is not far from a 65-year-old without one.
• Level matters, but completeness matters as much. Notice that "motor-incomplete at any level" has better numbers than complete paraplegia. A C5 injury with useful strength below the level outlives, on average, a T10 complete injury. This is the same reason the word quadriplegic tells you less than people think.
• The 2026 numbers are slightly lower than the 2024 ones because the COVID years are still in the data. The NSCISC expects them to drift back up.
• Median survival in the database is about 30 years after injury, which sounds alarming until you remember the average age at injury is now 44, so that median is mostly describing people dying in their 70s.

The first year is different

In the first year, the top five causes of death are respiratory disease (30.4 percent, mostly pneumonia and flu), "other heart diseases" (13.5 percent, often unexplained cardiac events in the acute phase), infections (9.7 percent, mostly sepsis from urinary and skin infections), diseases of the pulmonary circulation (8.7 percent, which means blood clots that travel to the lungs), and coronary and hypertensive heart disease (7.1 percent).

Every one of those has a page here because every one of them has a prevention routine: assisted coughing, secretion clearance, and vaccines; anticoagulation and the signs of a DVT; when a urinary infection is an infection; skin checks; and the blood-pressure instability that explains some of the cardiac events. The first-year numbers have been improving for fifty years, and this is why. The first 30 days guide and the discharge checklist exist for the window when it counts most.

What people with SCI die of, after the first year

From the 2025 annual report, among people who survived year one:

Two things to notice. Nearly a third of deaths after year one are pneumonia and sepsis, and both are the end point of problems that announce themselves first: a weak cough that nobody is clearing, a bladder program that drifted, a sore that was "fine" for three weeks. The other thing is what is not at the top. Before modern bladder management, kidney failure was the leading cause of death after SCI. It is now near the bottom of the list, because routine kidney surveillance became standard. That is the proof that the causes on this list are not fixed.

What actually moves the numbers

The research on who lives longer after SCI is thinner than it should be, but it is consistent. The factors come in two groups.

The ones you do not control

Injury level, completeness, ventilator dependence, age at injury, and male sex. A 2024 systematic review of twenty studies found these five everywhere, plus access to specialized care, which is only partly in your control and is the reason the Rehab Finder and the Model Systems list exist.

The ones you do

The clearest work comes from a cohort of about 1,400 people with SCI, surveyed in the late 1990s and followed for eight years, in two papers from Krause and colleagues. Controlling for age and injury, the health conditions that best predicted dying were surgery to repair a pressure injury, fractures or amputations, symptoms of infection, days spent hospitalized, and probable major depression. The behaviors that best predicted dying were smoking, binge drinking (each additional binge day per month raised the hazard by about 4 percent), heavy prescription medication use, and time in bed: each additional hour out of bed per day was associated with about 7 percent lower risk of death over the follow-up. A companion paper found that low income and weak social support predicted mortality even after injury severity was accounted for.

Read that list as a set of instructions:

• Skin is a survival organ. A pressure injury that reaches surgery is one of the strongest predictors of death in the data, through sepsis, immobility, and everything that follows. The daily skin check and the right cushion are not comfort items.
• Bones break, and breaks kill. Fractures below the level, often from a transfer or a fall, were on the list. Bone health is a long-term project; standing, medication, and fall-proofing transfers are the levers.
• Depression is a medical risk factor, not a mood. Probable major depression predicted death independently. Treat it like the UTI you would not ignore. If you are in crisis, call or text 988.
• Smoking after SCI is worse than smoking before it. A weak cough plus smoke is the pneumonia pathway; smoking also wrecks skin healing and bone. If you quit one thing, quit this.
• Get out of bed. Perhaps the most actionable finding in the data. Hours up in the chair, every day, track with survival. That means a chair and cushion you can tolerate, a bowel program that finishes in the morning, and a reason to be up.
• Medications are a risk of their own. Heavier prescription use predicted death, partly because it marks sicker people and partly because opioids, sedatives, and muscle relaxants suppress breathing and cough. A yearly medication review is on the checklist for this reason.
• Money and people. Low income and isolation predict death after SCI as they do everywhere, with a steeper slope. The benefits section and the peer-support guide are, in this light, health pages.

The uncomfortable trend

Here is the sentence from the NSCISC annual report that should bother everyone in SCI medicine: "Although mortality rates during the first post-injury year have decreased steadily since the 1970s, annual mortality rates after the first post-injury year have not changed since the early 1980s." The general population gains years every decade. People with SCI who make it past year one have stayed roughly where they were in 1985, so the gap is widening.

A 70-year British study of 5,483 people injured between 1943 and 2010 tells the longer version. Survival improved enormously from the 1940s to the 1980s, an 83 percent reduction in the annual odds of death, as bladder care, skin care, and specialist spinal units arrived. Then it plateaued for twenty years, with a small improvement again after 2010. Deaths from kidney disease, circulatory disease, and suicide fell over time. Deaths from skin and respiratory causes rose.

I read that as an indictment of the system, not of the people in it. The things killing people after year one are not mysteries. They are pneumonia in someone whose cough nobody is assisting, sepsis from a sore or a bladder nobody is watching, and a heart that was never screened. They are more common in people who lost contact with specialized care after rehab, which in the U.S. is a lot of people. The average length of inpatient rehab has fallen from about 110 days in the 1970s to 36 days now. You are discharged with the routines half-learned and told to find a doctor. This site exists in that gap. So does the yearly check-up list.

The plan, mapped to the causes

If the leading causes are the list above, the plan writes itself. None of it is new; all of it is the stuff that falls off when nobody is watching.

1. Lungs. Flu shot every year, pneumococcal and COVID vaccines current, an assisted-cough technique that someone in your house can do, a cough-assist machine if your cough is weak, and a sleep study if you snore or wake unrefreshed. Respiratory care.
2. Bladder and kidneys. A catheter routine you actually keep, a clear rule for when a UTI gets treated and when it does not, and the yearly kidney labs and imaging even when you feel fine. Bladder, UTIs, surveillance.
3. Skin. A daily skin check, pressure relief every 15 to 30 minutes in the chair, a cushion and mattress matched to your risk, and an escalation plan for a sore that is not healing in two weeks. Pressure injuries.
4. Heart and metabolism. Fewer calories than before the injury, more protein, yearly lipids and glucose, blood pressure checked both lying and sitting, and real cardio: handcycle, FES bike, pool. Nutrition, fitness.
5. Clots, especially in year one. Take the anticoagulant for as long as prescribed, know the signs, and do not let a swollen leg be "just swelling." Blood clots.
6. Bones. A bone density scan, a conversation about medication, and transfers you do not fall out of. Bone health.
7. Mind. A depression screen every year, treatment when it is positive, and peer support for the rest. Mental health, fatigue.
8. Habits. No smoking. Alcohol in a way that does not include binges. A yearly look at every medication and whether it still earns its place. Hours out of bed, every day.
9. A doctor who knows SCI. One yearly visit with a physiatrist or SCI clinic, where all of the above gets checked. If there is none near you, a Model Systems center will often see you once a year by telehealth. The yearly checklist, Model Systems.

None of that guarantees anything. It moves you from the part of the average that did not have these things to the part that did, and the difference between those two groups is a large part of the gap in the table.

The calculator

The NSCISC publishes a free life expectancy calculator that uses the same database with more detail: age, sex, injury level, ASIA grade, ventilator status, cause of injury, and insurance status. It is the only "spinal cord injury life expectancy calculator" I know of that is built on real data. It will give you a number. The number is an average for people like you on paper, computed from the past, and it does not know whether you smoke, whether your cushion fits, or whether anyone has looked at your kidneys in five years. Use it the way you would use a weather forecast for a city, not a prophecy about your afternoon.

Questions people ask

What is the life expectancy of someone with a spinal cord injury?

For a 20-year-old who survives the first day: about 43 more years with paraplegia, 38 with low tetraplegia, 31 with high tetraplegia, 51 with a motor-incomplete injury, and 10 with ventilator dependence, against 59 without an injury. The tables above give ages 40 and 60 and the better numbers for people past the first year.

What is paraplegic life expectancy?

After surviving the first year: 43.8 more years at 20, 29.1 at 40, 16.1 at 60, against 59.2, 40.7, and 23.4 without an injury. The "12.8 years" figure on legal websites is not from any real dataset.

Do quadriplegics live shorter lives? What is C5 or C6 life expectancy?

On average, yes, with the gap growing by level. After the first year, a 20-year-old with a C5 to C8 injury has about 38.6 more years and with a C1 to C4 injury about 32.0, against 59.2. Ventilator dependence lowers it to about 16.5. The difference is mostly pneumonia, infection, and heart disease, the targets of routine SCI care.

What about an incomplete injury?

Closest to normal: about 51.4 more years at 20 and 34.5 at 40 for motor-incomplete (AIS D) injuries. After 60, the mortality is only about 1.7 times that of people without an injury.

What do people with spinal cord injuries die of?

After the first year: pneumonia and flu (about 20 percent), sepsis from urinary and skin infections (13 percent), cancer (12 percent), heart disease (18 percent across two categories), then accidents, digestive disease, stroke, diabetes, suicide, and kidney disease. In the first year, respiratory disease causes nearly a third of deaths and lung clots almost a tenth.

Has life expectancy after SCI improved?

In the first year, steadily since the 1970s. After the first year, not since the early 1980s in the U.S. data, so the gap with the general population is widening. Kidney failure went from the leading cause of death to a rare one through routine surveillance, which proves the remaining causes can move too.

What shortens or lengthens life after SCI?

Fixed: level, completeness, ventilator use, age, male sex. Modifiable, per the research: pressure injuries needing surgery, repeated infections, fractures, major depression, smoking, binge drinking, heavy medication use, hours in bed, low income and isolation, and access to SCI-specialist care.

Is there a life expectancy calculator?

Yes, the NSCISC's, linked above. I have not found another one built on real data.

Sources & Further Reading

• Traumatic Spinal Cord Injury Facts and Figures at a Glance, 2026 — National Spinal Cord Injury Statistical Center (life expectancy tables, neurological category, causes of death)
• 2025 Annual Statistical Report for the Spinal Cord Injury Model Systems, Complete Public Version — NSCISC (Tables 12 to 16: cumulative survival, standardized mortality ratios by group and age, life expectancy, and the first-year and long-term causes of death)
• NSCISC Life Expectancy Calculator
• A prospective study of health and risk of mortality after spinal cord injury — Krause et al., Archives of Physical Medicine and Rehabilitation, 2008 (pressure-injury surgery, fractures, infections, hospitalization, and depression as mortality predictors)
• Behavioral risk factors of mortality after spinal cord injury — Krause, Carter and Pickelsimer, 2009 (smoking, binge drinking, medication use, hours out of bed)
• Risk of mortality after spinal cord injury: relationship with social support, education, and income — Krause et al., 2009
• Long-term survival after traumatic spinal cord injury: a 70-year British study and Causes of death after traumatic spinal cord injury: a 70-year British study — Savic et al., Spinal Cord, 2017
• Life expectancy and long-term survival after traumatic spinal cord injury: a systematic review — Zadra et al., European Journal of Physical and Rehabilitation Medicine, 2024

SCI.help articles are information, not medical advice. The figures above are population averages from the sources listed and are not predictions about any individual — always confirm specifics with your own care team.