Mission Ready? BMI and Military Service

A report by Mission: Readiness found that 75% of young Americans are unfit for military service, partially due to the fact that 27% of them are too overweight to join. This problem has likely worsened in the 10 years since the article was published, as obesity rates continue to rise. Our data has been used to evaluate the same issue, investigating how many men and women aged 17 to 20 abide by their respective army weight requirements. We have also found how well ROTC and academy cadets meet these standards.

Using information collected about height and weight to create BMI scores, our data found that 37.8% of young American civilians are physically unfit to serve in the army. Military cadets, on average, comply with weight standards more than civilians, as expected. The highest compliance rate in our data come from female cadets.

Obesity by mil status, 8_27_19

Seven percent of civilian females in our sample are underweight compared to less than one percent of civilian males, which largely accounts for the difference between the fitness of the male and female civilian groups. The increase in compliance to weight standards comparing civilians to military personnel is expected but scores among the cadets are not perfect either.

We also wanted to know if people are self-selecting out of the military based on their physical condition but we found no correlation of BMI and individuals’ consideration for joining the military (statistics not shown), which means that perspective members are not self-selecting themselves out due to their weight. Regardless, it will be seen whether trends in obesity will make it more difficult for the services to recruit qualified cadets.

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