Why more people than ever are living alone – and what this means for the environment
Globally, households are shrinking – more and more people are living alone. In 2016, almost two thirds of all households in the EU were composed of one or two people, with shrinking households also prevalent around the world. As countries move up the human development index, households are expected to continue to shrink.
As households have got smaller, homes are getting larger. This increases energy and resource use, domestic waste and greenhouse gases. After all, most households have similar appliances like stoves and fridges, and cooled or heated spaces, regardless of how many people live there.
There is also a tendency to share less within apartment buildings compared to previous decades. In Sweden, where once sharing a laundry room was the default, now more than 80% of newly built apartments have their own washing machine. Smaller households simply don’t benefit from the sharing potential of larger households. So it’s no wonder that shrinking household size is emerging as a fundamental challenge to reducing resource consumption and mitigating climate change.
So why do more and more people live alone? In a study recently published in the journal Buildings and Cities, we found that there may be different reasons. But some key trends include young people leaving home to study or work, couples living apart for longer before moving in together (if at all), the dissolution of a partnership or death of a partner.
Early, middle, late
Early in life, it is most often delaying partnering and childbearing that increases solo-living. Across Europe, North America, and Africa, young men are more likely to live on their own. This is a transitional phase where forming a partnership is delayed in order to focus on education or building a career. Living alone is also common in countries where rural youth migrate to urban centres for work and form their own household. Among young adults, men take longer to get married or move in with partners compared to women.
In later life, the gender trend reverses dramatically, and women live alone two to four times more often than men across 113 countries looked at in one study. This can be explained by women living longer than men on average, resulting in more widows living alone. Increasing life expectancy, dissolution of partnerships and death of a partner tend to be the main drivers behind trends in elderly one person households.
Middle-aged adults’ solo-living is more complex. According to a Canadian panel survey, employed men and those living in vulnerable communities are less likely to stay living on their own compared to unemployed men and those living in less vulnerable communities, respectively. Among women, those with poor health and medium-level of education are more likely to live alone compared to women with excellent health and lower education.
In countries with high value placed on the individual, living alone is more common than countries with high value of family co‐residence. For example, in Sweden and across the Nordics living alone has become a norm through a “culture of individualism” and a welfare state which enables people to access affordable housing and public services independent of family support.
Solo wave
Many societal factors underlie trends toward living alone: culture, economic means, demographic developments, health, policy and institutions all play their role at different life stages. As households continue to shrink, there will be new challenges to provide necessary services, particularly in poorer countries where communication technologies are less developed and welfare states are weaker, with a host of associated environmental challenges.
The wave of solo-living currently sweeping many different countries, and about to sweep many more, will lead to increasing environmental impacts without focused policy attention. Policies might address both less environmentally impactful ways to live alone or ways to promote more people living together.
Though living alone is a growing trend, this does not necessarily mean that more people are permanently living alone – it can also imply that people at different stages of their life are living alone. Very different types of sharing or co-housing may ultimately be required to provide an attractive alternative.
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Jonathan Este
International Affairs Editor
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