A recent study published in JAMA has revealed that official U.S. records significantly underestimate the mortality rates and life expectancy of Native Americans and Alaska Natives (AI/AN). This research, led by a team from the Boston University School of Public Health (BUSPH), indicates serious implications for public health policies concerning these communities.

Study Overview

The study's findings are particularly alarming as they disclose that in at least 41% of cases involving AI/AN decedents, their race was misreported, often categorized inaccurately as "white." Such errors in reporting lead to serious distortions in official vital statistics, resulting in:

  • Underestimation of AI/AN mortality rates.
  • Overestimation of AI/AN life expectancy.
  • Misrepresentation of health disparities between AI/AN individuals and other American populations.

Statistical Insights

Within the study period, which spanned from 2008 to 2019, the accurate life expectancy gap between AI/AN individuals and the national average was found to be 6.5 years. This disparity is 2.9 times larger than previously reported figures. What's more, this gap doubled during the study period, from 4.1 years between 2008-2010 to 8 years between 2017-2019.

In assessing overall life expectancy, the research found that AI/AN individuals had an average life expectancy of only 72.7 years, comparable to countries such as El Salvador and Bangladesh.

Mortality Rates and Causes

Mortality rates among AI/AN populations are particularly high, especially for young and middle-aged adults. The research highlights that even those AI/AN individuals with college degrees faced shorter life spans than their non-AI/AN counterparts. Key factors contributing to the mortality gap include:

  • Heart disease: 16% of overall deaths.
  • Cancer: 11% of overall deaths.
  • Diabetes: 10% of overall deaths.

Methodology and Data Analysis

The study utilized a nationally representative sample including 4,135,000 individuals from the 2008 American Community Survey (ACS), of which approximately 30,500 self-identified as non-Hispanic AI/AN. The researchers linked this data with mortality records from U.S. vital statistics through 2019 to ascertain accurate mortality rates and assess disparities.

This innovative approach allowed the team to cross-reference race and ethnicity as declared in the ACS against what was recorded on official death certificates, most of which are completed by funeral directors.

Statistic Official Reports Study Findings
Life Expectancy Gap (Years) 2.9 6.5
Average AI/AN Life Expectancy (Years) N/A 72.7
Mortality Rate (AI/AN vs National Average) 5% Higher 42% Higher

Historical Context and Implications

The findings echo a long history of neglect and misrepresentation of Indigenous health data. Dr. Jacob Bor, the study's lead author, commented: "Statistical erasure in routine public health data has obscured the severity of today's mortality crisis among AI/AN." He emphasizes the urgent need for investments tailored to improve AI/AN health and accurate data collection.

“The history of genocide against Indian people is generally minimized, even today.” – Dr. Michael Bird, co-author of the study

Recommendations for Public Health Policy

The researchers advocate for several improvements in data collection and public health initiatives, including:

  • Increased funding for AI/AN health research.
  • Collaboration with tribal authorities to enhance health data accuracy.
  • Updated guidelines for funeral directors on collecting race and ethnicity data during death registrations.

Conclusion

This critical research underscores the necessity for better representation and understanding of AI/AN health issues in the United States. By addressing the discrepancies highlighted in this study, public health officials can work toward improving health outcomes for these historically marginalized populations.

For further reading, access the study titled "Life Expectancy of American Indian and Alaska Native Persons and Underreporting of Vitality in Vital Statistics" published in JAMA.

Literature Cited

[1] Bor, J., et al. (2025). Official US records underestimate Native Americans deaths and life expectancy. JAMA.

[2] Historical trauma and health inequities in Native American populations.

[3] Contribution of chronic diseases to mortality among AI/AN individuals.

[4] Disparities in access to healthcare for Indigenous populations in the U.S.