The gap between US lifespan and healthspan was 12.4 years, the world's largest.

The gap of time between how long Americans live and how much of that time is spent in good health only grew wider in the last two decades, according to a new study published in JAMA Network Open.

The study, which looked at global health data between 2000 and 2019—prior to the COVID-19 pandemic—found the US stood out for its years of suffering. By 2019, Americans had a gap between their lifespan and their healthspan of 12.4 years, the largest gap of any of the 183 countries included in the study. The second largest gap was Australia's, at 12.1 years, followed by New Zealand at 11.8 years and the UK at 11.3 years.

America also stood out for having the largest burden of noncommunicable diseases in the world, as calculated by the years lived with disease or disability per 100,000 people.

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