United Health Foundation has ranked America's 50 states based on how healthy they are.

The group used criteria including obesity and smoking as well as environmental factors like child poverty and air pollution.

Hawaii was declared the healthiest state of 2018, while Louisiana was the unhealthiest.

Not all states are created equal when it comes to health.

To get a better sense of how healthy each state in the US is, for the 29th year in a row, the United Health Foundation has ranked America's states.

Hawaii made the top of the list as America's healthiest state, while Louisiana was declared the unhealthiest.

Looking at data from the Centers for Disease Control and Prevention, the American Medical Association, and the Census Bureau, the rankings took into account everything from obesity and smoking to community and environmental factors, such as child poverty and air pollution, to public policies like immunizations, and health outcomes like cancer deaths and diabetes.

Here are all 50 states, ranked from healthiest to least healthy.