Who lives longer life, vegan or vegetarian?

Do Vegans or Vegetarians Live Longer? The Answer Isn’t So Clear

It’s a question many ask when considering a plant-based lifestyle: do vegans or vegetarians live longer? While plant-based diets are often praised for their health benefits—lower cholesterol, reduced heart disease risk, and better weight management—there's surprisingly little solid evidence proving they lead to longer lives.

Current research on vegetarian longevity is heavily influenced by bias. Most studies rely on self-reported data from groups already health-conscious, who often avoid smoking, drink less alcohol, and exercise more. These lifestyle factors, not just diet, likely contribute to any observed health advantages. When comparing vegetarians to the general population, it’s hard to isolate whether it’s the absence of meat or the overall healthier habits that makes the difference.

As for vegans, the data is even sparser. While cutting out all animal products can lead to lower calorie intake and reduced risk of certain diseases, it can also pose nutritional challenges—like deficiencies in vitamin B12, iron, and omega-3 fatty acids—without careful planning.

In the end, longevity likely depends on more than just one’s food choices. Genetics, stress, sleep, physical activity, and social connections all play powerful roles. Rather than focusing solely on labels like “vegan” or “vegetarian,” a balanced, mindful approach to eating—and living—may be the real key to a longer, healthier life.