key: cord-1000762-slq811rr authors: Harper, Sarah title: The Impact of the Covid-19 Pandemic on Global Population Ageing date: 2021-05-22 journal: J Popul Ageing DOI: 10.1007/s12062-021-09330-w sha: ec78935a04dd4517c0062544926f415abc8d28fa doc_id: 1000762 cord_uid: slq811rr nan . And again more recently following SARS (Lee et al., 2005) and Ebola (McBain et al., 2016) . However, the Covid-19 pandemic does not have the classic drivers to create a baby boom. While, the 1918 pandemic saw high mortality among the young and those of childbearing age, deaths from Covid-19 have focused on older adults. Thus the desire to replace children, or an obligation to reproduce given a high death rate among your peers, is not present today among those of childbearing age as few children and those of reproductive age have died. Rather, this generation of potential parents has been more affected by lockdowns and Long Covid, both of which have had a significant impact on physical and mental health, particularly of women. Women suffering from Long Covid may decrease their child bearing due to chronic ill health, and there is also evidence that the desire for parenthood in some European countries may even have fallen (Micelli et al., 2020) . The situation post Covid-19 is thus likely to be defined not by classic pandemic drivers, but by the significant economic downturn which was stimulated by the public health responseloss of employment and home, and anxiety and fear for the future are likely to frame the outlook of many young people today. It is therefore necessary to look to the outcomes following a recession to find indications of future fertility trends and patterns. While the impact of the pandemic, and particularly the various lockdowns, vary across the globe, millions of adults have been unable to work and unemployment rates have increased significantly (Abedi et al., 2020; Zhang and Schwartz 2020; Banik et al., 2020) . As a result, there is a predicted global economic contraction of 7%, with LMICs most affected (World Bank, 2020). This has led to increased physical and mental stress (Pérez-Escamilla et al., 2020; Pfefferbaum & North, 2020) . There is widespread evidence that child bearing rates are affected by economic downturns and recessions, with a clear association between loss of employment and earnings and a fall in fertility rates (Autor et al. 2019 ). There is one issue which is of particular concern, namely reports of a lack of contraception in LMICs which may increase childbearing with an increase in unwanted briths. Analysis conducted for 115 low-and middle-income countries in January 2021 by UNFPA (2021) suggested that the impact of COVID-19 on access to health services is ongoing. An estimated 12 million women may have been unable to access family planning services as a result of the pandemic. As a result of these disruptions, as many as 2.7 million unintended pregnancies may have occurred before women were able to resume use of family planning services. What about mortality increase, which has seen considerable hyperbole? Most of the estimations are cross-sectional and it is thus likely that the immediate high mortality rates of the pandemic will not be translated into long term reductions in life expectancy. This can be seen in previous mortality hits, such as the 1918 pandemic, where life expectancy recovered and continued to increase (Fig. 1) . A detailed early review by Marois et al. (2020) points out that estimating the impact of the COVID-19 epidemic on the life expectancy of a population is complex and not clear cut. On the one hand, as the virus kills a disproportionate number of people in the older population, the number of years lost with respect to existing average life expectancy might be smaller than expected. On the other hand, the rapid spread of the virus might cause a high level of excess mortality, as observed in many European countries that is consistently large enough to affect the lifetable of a country or region. In the absence of the pandemic, life expectancies for men and women combined in 2020 were expected to be 79. Life expectancy in North America and Europe could become comparable to what has been observed in Brazil in recent years, while such a loss could temporarily set Latin America and the Caribbean back to the life expectancy they had 20 years ago….. HICs might see life expectancy fall to below 70 years, which is equivalent to the life expectancy of Western Europe in the mid twentieth Century. Similar detailed analysis has been carried out at the country level. Aburto et al. (2020) explore the impact for England and Wales. The UK, like many other high income countries, has shown recent reversals and stagnation in life expectancy, with explanations suggesting mid-life mortality crisis and a growth in national inequalities. The pandemic has changed this for the present, with a sharp increase in older age mortality, and, partly as a result of this, a reduction in life-span mortality inequality. Clearly, the massive loss of older lives has led to a sharp decrease in life expectancy globally, but one which may bound back as the deaths of those lives prematurely lost during the pandemic will not figure in the future mortality tables. Looking to the future, however, it is also clear that it is the wider context of the pandemic which will have longer implications. Covid-19 has had a significant impact on most health care systems across the globe, and especially those in LMICs (Shuchman, 2020; Roberton, et al. 2020) . Furthermore, fear of Covid-19 plus awareness of the over stretched health care systems have deterred people from getting treatments. In addition, the above mentioned economic downturn will also have an impact on the health profile of different populations, particularly in LMICs (Willaims, et al. 2016; Arroyave et al., 2015) . All these contextual drivers are likely to lead to higher mortality from other diseases and chronic conditions such as cancer and cardio-vascular disease (Ji et al., 2020 Hanna et al. 2020 ). In addition, Covid-19 has impacted unequally, particularly affecting poorer, deprived populations, which will increase future health inequalities (Bambra et al., 2020) and (Trias-Llimós, 2020) . Finally, there is the currently unknown impact of Long Covid, the increased morbidity and chronic conditions which appear to effect up to one third of those infected with the disease, including one in three people with Covid receiving a formal neurological or psychiatric diagnosis within six months of infection according to a recent study (Taquet et al., 2021) . However, it is likely that this will also lead to lower LE and in particular lower HLE (Mahase, 2020) . It is thus unclear how long the lower life expectancy levels will continue beyond the short term and even medium term, and what the mortality profile will eventually comprise. While future estimations of trends arrive with caveats, it seems that many countries will experience a period of falling fertility and lower healthy life expectancy, than would have been the case if the pandemic had not arisen, though for how long is unclear. Additionally, while the widespread increase in late-life mortality has affected all socio-economic groups, the longer term increases in morbidity and mortality are likely to be weighted towards those with higher levels of deprivation, compounding the already evident social gradient in mortality. Falling fertility, especially in HICs, combined with lower HLE, will exasperate the potential problems which may arise with demographic ageing. Sicker, potentially poorer, more unequal populations, will need radical rethinking to return to the previous optimism in tackling the challenge of ageing populations. 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