Invest1 publisher2 min readPublished
Taiwan lifts the obesity bar for a military exemption from a BMI of 35 to 45
Taiwan's defense ministry revised 180 items in its military exemption rules, ending the tall-man exemption and raising the obesity line to a BMI of 45. The changes take effect Oct. 31 and target being overweight, the biggest exemption ground of the past decade.
The Investor · Invest desk
What happened
- Actors Wang Ta-lu and Darren Chen and singer Chiu Sheng have been arrested on suspicion of dodging service with allegedly falsified medical certificates.
- On height, only men 144 centimeters or shorter will qualify for exemption, down from a short-end cutoff of 154 centimeters.
- High-blood-pressure claims will need one to three days in hospital and 24 hours of continuous measurement, with exemption only for a confirmed condition such as pulmonary arterial hypertension.
- Taiwan lengthened mandatory military service from four months to one year starting in 2024.
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Why it matters
- exposure Men with a BMI between 35 and 45 or below 15, and men 196 centimeters or taller, lose an exemption they would have had under the old rules unless another listed ground covers them.
- constraint Stricter height and weight lines do nothing against a forged certificate. Of the reported changes, only the supervised hospital test for blood pressure swaps a doctor's paper for observed measurement.
- cost Employers of draft-age men bear part of the cost, because each worker who loses an exemption is gone for twelve months, three times the term before 2024.
BMI is weight in kilograms divided by the square of height in meters [10]. At any given height, a ceiling of 45 instead of 35 means a man must weigh about 29% more to be exempt as overweight [2]. The underweight exemption below 15 is gone [4]. The short end of the height rule drops by 10 centimeters [3], and vision exemptions now turn on corrected acuity below 0.6 [7]. According to Taiwan's National Conscription Agency, being overweight accounted for 30% of exemption grounds over the past decade, followed by intelligence, autism, congenital clubfoot and arrhythmia [5].
The incentive to get around the rules grew with the 2024 extension of service [9]. A certificate obtained since then spares its holder three times the service that one obtained before would have [1]. Sedaily, citing China Times and other outlets, reports that exemptions obtained through loopholes have been increasing as military tension across the Taiwan Strait rises [11]. A tripled payoff drawing more attempts would fit that timing.
The reports do not give an annual count of exemptions, the number of men with a BMI between 35 and 45, or any estimate of the effect on Taiwan's workforce. So the labor effect can only be stated per head. A man moved from exempt to eligible owes a year of service [9].
Most of the outcome depends on where the old overweight exemptions sat on the scale. If many fell between 35 and 45, the army gains conscripts and employers lose them for a year. Should exemptions drift instead to the other grounds on the agency's list [5], headcount barely moves and the agency's tally simply shows a different mix.
In my view the BMI change will add more conscripts than any other reported item, because it targets the biggest category [5]. The counter-case is that most overweight exemptions already sat above 45, in which case few men change status. If the agency's first breakdown covering exams after Oct. 31 [2] still puts being overweight near 30% of exemption grounds, I have it wrong.
What to watch
- Whether the defense ministry or the conscription agency starts publishing annual exemption counts by ground once the rules apply, which would let the headcount effect be sized.
- How the cases against Wang Ta-lu, Darren Chen and Chiu Sheng proceed, and whether more entertainers are named.