Why Where You Live Matters for Life Expectancy

I have ridden a bicycle through Amsterdam on a gray October afternoon, the canals reflecting nothing in particular, surrounded by people who looked unhurried and completely at ease in their bodies. I have done the same in Provincetown, Massachusetts, in that particular light that only exists at the tip of Cape Cod when the season is ending and the crowds are gone. And I have driven through parts of rural Ohio where the nearest hospital is forty-five minutes away and the nearest grocery store with fresh produce is twenty.

These are not equivalent experiences. And they do not produce equivalent lifespans.

The relationship between geography and longevity is one of the most well-documented and least discussed findings in public health. Where you live shapes what you eat, how you move, what you breathe, how much stress you carry, and how quickly you can access care when something goes wrong. It shapes the texture of daily life in ways so fundamental that most people never think to examine them — because you do not question the water you swim in.

The gap is larger than most people realize

Research from Dr. Raj Chetty and colleagues at Harvard’s Opportunity Insights project found a life expectancy gap of more than twelve years^[1] between the highest and lowest longevity counties in the United States. Twelve years. Between Americans. In the same country, under the same flag, paying into the same Medicare system.

The CDC’s National Center for Health Statistics has documented similar patterns at the state level. Hawaii consistently leads with a life expectancy of approximately 80 years. Mississippi consistently trails, at approximately 71. That nine-year gap is not genetic. It is structural.

“Where you live may be the single most powerful predictor of your health outcomes — more powerful than your individual behaviors, and in some cases more powerful than your biology.”

— Dr. Richard Besser, President and CEO, Robert Wood Johnson Foundation; former Acting Director, CDC

I have lived in enough places to feel this in my bones before I ever read the data. Miami is different from Kalamazoo. New York is different from rural Ohio. Los Angeles is different from Denver. Not better or worse across the board — but different in ways that accumulate over decades into measurable differences in how long people live.

What geography actually determines

The mechanisms are not mysterious. They are specific and they are knowable.

Healthcare access. Rural Americans are significantly more likely to die from the five leading causes of death^[6] than their urban counterparts — heart disease, cancer, unintentional injury, chronic lower respiratory disease, and stroke. The primary driver is access. When the nearest cardiologist is two hours away, you delay. When you delay, things that were catchable become things that are not.

My aortic aneurysm was found because I had access to good diagnostic imaging and a physician who ordered it. In a county with one overextended primary care doctor and no specialist within fifty miles, that finding might not have happened until it was a crisis.

Air quality. The American Lung Association’s annual State of the Air report documents significant variation in particulate pollution and ozone levels across U.S. counties. Long-term exposure to fine particulate matter — PM2.5 — is associated with increased risk of cardiovascular disease, lung cancer, and premature death. Where you breathe matters. Not all American air is the same air.

Built environment. In Amsterdam, the infrastructure assumes you will walk or cycle. The city is literally designed for it — separated bike lanes, canal-side paths, distances calibrated to human movement rather than automotive convenience. The Dutch cycle an average of more than 1,000 kilometers per year per person. Not because they are more disciplined. Because the environment makes it the obvious choice.

In Barcelona, dinner is at ten in the evening, eaten slowly with other people, outdoors when the weather permits, without particular urgency. The Mediterranean dietary pattern — olive oil, legumes, vegetables, fish, moderate wine — that emerges from that culture is associated with some of the most favorable cardiovascular outcomes in the world. Spain consistently ranks among the top five countries in life expectancy globally. This is not coincidence. It is the accumulated health consequence of a particular way of organizing daily life.

In much of America, particularly outside major cities, the built environment makes movement optional, social eating rare, and fresh food a project rather than a given. The health consequences of that design are precisely what you would expect.

Socioeconomic infrastructure. Dr. Chetty’s research identified something important: the longevity advantage of high-income Americans is larger in some cities than others. In cities with strong social infrastructure — good public transit, walkable neighborhoods, dense social networks, accessible healthcare — lower-income residents had longer lives than lower-income residents in cities without those features. The environment mediates the impact of income on health. Place matters independently of wealth.

What I noticed traveling

Paris is loud and dense and not always friendly to strangers. I know this firsthand. A French man spat on me in a crowd as I tried to enter my hotel. No provocation. No warning. Just the particular contempt that certain cities reserve for people they have decided do not belong. I stood there for a moment, stunned, then went inside and had a glass of Burgundy and thought about it.

And here is what I thought: the city was still walkable. The bread was still extraordinary. The meal I had that evening — unhurried, several courses, eaten at a table where no one was looking at their phone — was still one of the better ones of my life. The infrastructure of a place is not the same thing as the character of every person in it. Paris is rude and magnificent and genuinely good for your cardiovascular system, in roughly that order. The French relationship with food — smaller portions, real ingredients, meals as social events rather than fuel stops — produces health outcomes that the American diet does not.

Madrid has a siesta culture that looks like laziness from the outside and functions as stress regulation from the inside. The midday rest, the long lunch, the social infrastructure built around slowing down — these are not inefficiencies. They are, from a physiological standpoint, interventions.

Germany is orderly in ways that reduce ambient uncertainty. London has the National Health Service, which, whatever its limitations, means that nobody is rationing insulin because they cannot afford it this month. These structural differences in how societies organize care, time, movement, and food show up in the longevity data with remarkable consistency.

And then there is Provincetown at the end of season. The bicycles. The light. The pace of a place where something essential has been allowed to slow down. I do not think you can quantify what that does to a person. But I am fairly certain it does something.

What you can actually do about it

Most people are not going to move. Geography is not a simple variable to change. But there are things within any geography that you can control, and things about your geography that are worth understanding.

Know your county’s health rankings. The Robert Wood Johnson Foundation publishes annual county health rankings for every county in the United States. They are free, public, and specific. If you live in a county that ranks poorly on health outcomes, you are not doomed — but you are carrying a structural headwind that deserves acknowledgment and active countermeasures.

Seek walkability deliberately. If your neighborhood is not walkable, find a place nearby that is and go there. The behavior matters whether or not the infrastructure supports it automatically.

Advocate for your environment. Air quality, food access, healthcare availability, and built environment design are policy questions. They are not fixed. They change when people insist that they change. Your zip code is not fate. But treating it as fixed when it is actually political is its own kind of learned helplessness.

And if you have ever had the experience of being somewhere — Amsterdam, Provincetown, Barcelona, anywhere — where the pace of life felt different enough that your body actually noticed, take that seriously. You were not imagining it. The environment was doing something to your nervous system that your regular environment does not do. That is information.

Geography in the calculator

State of residence is one of the 33 factors in the Life Expectancy Calculator — specifically because the CDC and NCHS data on state-level life expectancy differentials is robust and consistent. Living in a high-longevity state carries a modest positive adjustment. Living in a low-longevity state carries a modest negative one. The adjustment reflects structural reality, not personal destiny.

Where you live is a factor. It is not the only factor. And unlike your genetics, it is one that — over a lifetime — you have more say in than you might think.