Physiological aging around the World
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Physiological aging around the World. / Dalgaard, Carl-Johan Lars; Hansen, Casper Worm; Strulik, Holger.
In: PLoS ONE, Vol. 17, No. 6, e0268276, 06.2022.Research output: Contribution to journal › Journal article › Research › peer-review
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TY - JOUR
T1 - Physiological aging around the World
AU - Dalgaard, Carl-Johan Lars
AU - Hansen, Casper Worm
AU - Strulik, Holger
PY - 2022/6
Y1 - 2022/6
N2 - We extract data on physiological aging by computing a frailty index for 201 countries overthe period 1990–2019. Using panel estimation techniques, we show that the macro frailtyindex replicates basic regularities previously observed in related studies of aging at the indi-vidual level. We then use the frailty index to highlight trends of global physiological agingand its relationship to economic growth. Holding population age structure fixed, the globalfrailty index has on average increased by about 2 percent over the last 30 years. The aver-age person has therefore aged by what corresponds to about one life-year of physiologicalaging. This overall trend is relatively similar across different geographical regions. We alsodocument a negative relationship between physiological aging of the workforce and eco-nomic growth. According to our preferred specification, a one percent increase in the frailtyindex of the workforce is associated with a 1.5 percent decline of GDP per capita. Thismeans that average annual growth of labor productivity would have been 0.1 percentagepoints higher without physiological aging in the period 1990-2019.
AB - We extract data on physiological aging by computing a frailty index for 201 countries overthe period 1990–2019. Using panel estimation techniques, we show that the macro frailtyindex replicates basic regularities previously observed in related studies of aging at the indi-vidual level. We then use the frailty index to highlight trends of global physiological agingand its relationship to economic growth. Holding population age structure fixed, the globalfrailty index has on average increased by about 2 percent over the last 30 years. The aver-age person has therefore aged by what corresponds to about one life-year of physiologicalaging. This overall trend is relatively similar across different geographical regions. We alsodocument a negative relationship between physiological aging of the workforce and eco-nomic growth. According to our preferred specification, a one percent increase in the frailtyindex of the workforce is associated with a 1.5 percent decline of GDP per capita. Thismeans that average annual growth of labor productivity would have been 0.1 percentagepoints higher without physiological aging in the period 1990-2019.
U2 - 10.1371/journal.pone.0268276
DO - 10.1371/journal.pone.0268276
M3 - Journal article
C2 - 35675265
VL - 17
JO - PLoS ONE
JF - PLoS ONE
SN - 1932-6203
IS - 6
M1 - e0268276
ER -
ID: 336466848