Indigenous Oklahomans’ life expectancy is 63.6 years, which is among the worst in the country

There’s growing evidence that some American demographic groups need more help than others to live longer, healthier lives.

American Indians in Western and Midwestern states have the shortest life expectancy as of 2021, 63.6 years. That’s more than 20 years shorter than Asian Americans nationwide, who can expect to live to 84, according to a recent study by the Institute for Health Metrics and Evaluation at the University of Washington.

White residents live shorter lives in Appalachia and som...