Wide variations have been observed in how well or poorly people age in this study. Through this, we were able to see that the United States ranks 54th between Iran (53rd) and Antigua and Barbuda (55th).

‘The results of this study are very concerning as age-related health problems can lead to early retirement, a smaller workforce, and higher health spending.’

These adverse effects include impaired functions, and loss of physical, mental, and cognitive abilities resulting from the 92 conditions analyzed, five of which are communicable and 81 non-communicable, along with six injuries.




Link to The Lancet Public Health study: https://www.thelancet.com/journals/lanpub/article/PIIS2468-2667(19)30019-2/fulltext
The study, published yesterday in the international medical journal The Lancet Public Health, is the first of its kind, according to Chang, whose center is housed at the UW's Institute for Health Metrics and Evaluation. Where traditional metrics of aging examine increased longevity, this study explores both chronological age and the pace at which aging contributes to health deterioration. The study uses estimates from the Global Burden of Disease study (GBD).
Researchers measured "age-related disease burden" by aggregating all disability-adjusted life years (DALYs), a measurement of loss of healthy life, related to the 92 diseases. The findings cover 1990 to 2017 in 195 countries and territories. For example, in 2017, people in Papua New Guinea had the world's highest rate of age-related health problems with more than 500 DALYs per 1,000 adults, four times that of people in Switzerland with just over 100 DALYs per 1,000 adults.
The rate in the United States was 161.5 DALYs per 1,000, giving it a ranking of 53rd, between Algeria at 52nd with 161.0 DALYs per 1,000 and Iran at 54th with 164.8 DALYs per 1,000.
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The study is entitled "Measuring population aging: an analysis of the Global Burden of Disease Study 2017."
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Age-related disease burden rates decreased over time across all regions between 1990 and 2017, representing reductions in deaths and disease severity of age-related problems.
In 2017, people in 108 countries experienced earlier accumulation of problems associated with aging, whereas those in 87 countries experienced the slower onset of aging.
Globally, the age-related diseases with the most deaths and DALYs were ischemic heart disease, brain hemorrhage, and chronic obstructive pulmonary disease (COPD).
Countries with the highest equivalent age to global 65-year-olds in 2017: 1.Japan: 76.1 years
2.Switzerland: 76.1
3. France: 76.0
4. Singapore: 76.0
5. Kuwait: 75.3
6. South Korea: 75.1
7. Spain: 75.1
8. Italy: 74.8
9. Puerto Rico: 74.6
10. Peru: 74.3
Countries with lowest equivalent age to global 65-year-olds in 2017:
1. Papua New Guinea: 45.6 years
2. Marshall Islands: 51.0
3. Afghanistan: 51.6
4. Vanuatu: 52.2
5. Solomon Islands: 53.4
6. Central African Republic: 53.6
7. Lesotho: 53.6
8. Kiribati: 54.2
9. Guinea-Bissau: 54.5
10. Federated States of Micronesia: 55.0
Countries with lowest age-related burden rate in 2017:
1. Switzerland: 104.9 DALYs per 1,000 adults aged 25 or older
2. Singapore: 108.3
3. South Korea: 110.1
4. Japan: 110.6
5. Italy: 115.2
6. Kuwait: 118.2
7. Spain: 119.2
8. France: 119.3
9. Israel: 120.2
10. Sweden: 122.1
Countries with highest age-related burden rate in 2017:
1. Papua New Guinea: 506.6 DALYs per 1,000 adults aged 25 or older
2. Marshall Islands: 396.6
3. Vanuatu: 392.1
4. Afghanistan: 380.2
5. Solomon Islands: 368.0
6. Central African Republic: 364.6
7. Lesotho: 360.5
8. Kiribati: 347.5
9. Guinea-Bissau: 343.4
10. Eritrea: 325.7
Source-Eurekalert