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  1. Number of one-person households as a share of the total number of households. Estimates combine multiple sources, including cross-country surveys and census data.

    • Observational Studies: A First Look at The Data
    • Mechanisms
    • Causality and Implications

    Measuring loneliness

    Psychologists and social neuroscientists often refer to loneliness as painful isolation. The emphasis on pain is there to make a clear distinction between solitude – the state of being alone – and subjective loneliness, which is the distressing feeling that comes from unmet expectations of the types of interpersonal relationships we wish to have. Researchers use several kinds of data to measure solitude and loneliness. The most common source of data are surveys where people are asked about di...

    The link between loneliness and physical health

    Most papers studying the link between loneliness and health find that both objective solitude (e.g., living alone) and subjective loneliness (e.g., frequent self-reported feelings of loneliness) are correlated with higher morbidity (i.e. illness) and higher mortality (i.e. likelihood of death). The relationship between health and loneliness can, of course, go both ways: lonely people may see their health deteriorate with time, but it may also be the case that people who suffer from poor healt...

    The link between mental health and subjective well-being

    In another much-cited review of the evidence, Louise Hawkley and John Cacioppo, two leading experts on this topic, concluded that “perhaps the most striking finding in this literature is the breadth of emotional and cognitive processes and outcomes that seem susceptible to the influence of loneliness”.5 Researchers have found that loneliness correlates with subsequent increases in symptoms related to dementia, depression, and many other issues related to mental health, and this holds after co...

    Experiments with social animals, like rats, showthat induced isolation can lead to a higher risk of death from cancer. Humans and rats are, of course, very different, but experts such as Hawkley and Cacioppo argue that these experiments are important because they tell us something meaningful about a shared biological mechanism. In a review of the e...

    The bulk of evidence from observational studies and biological mechanisms described above implies that loneliness most likely matters for our health and well being. But do we really know how much it matters relative to other important risk factors? The key point here is that estimates are likely biased to some extent. The findings from longitudinal...

    • Esteban Ortiz-Ospina, Max Roser
    • 2020
  2. 8 de jun. de 2023 · Over a quarter (27.6%) of all U.S. occupied households were one-person households in 2020, up from just 7.7% in 1940, according to recently released 2020 Census data. The share of people living alone increased every decade from 1940 to 2020 (Figure 1).

  3. 2 de jun. de 2023 · In 2022, approximately 37.89 million single-person led households in the United States.

  4. 6 de dic. de 2021 · The rise of living alone reflects later marriage and nonmarriage, delayed childbearing and childlessness, higher divorce rates, living-apart-together relationships, longer life spans, and widowhood—and a growing desire for individual autonomy and independence.

  5. 1 de mar. de 2024 · Family & Friends. Singles worldwide - Statistics & Facts. In industrialized countries, the share of singles has been rising over the last decades. This phenomenon can be observed in...

  6. The number of single-person households without children in the EU increased by 21.0 % from 2013 to 2023. Tweet. In 2023, 8.0 % of children aged 0-17 and 8.1 % of people aged 18-59 in the EU lived in jobless households.