This paper investigates how horizontal and vertical individualism and collectivism predict self-report loneliness in addition to the variance accounted for by age and sex in 28 countries (N = 8,345). Horizontal and vertical aspects of individualism and collectivism had small but significant contributions to predicting loneliness. Horizontal-collectivism (for 19 country samples) and, to a lesser extent, horizontal-individualism (for seven country samples), significantly predicted lower loneliness scores. Vertical-individualism (for 16 country samples), and to a lesser extent, vertical-collectivism (for six country samples), predicted feeling more loneliness among our participants. Adjusted R2 values suggested that between 0.6% and 27.7% of self-report loneliness was predicted. These results suggest that those who value egalitarian social relations also tend to report being less lonely whereas those who value individuality and competitiveness endorse the loneliness items more. These results are of importance to those investigating and helping lonely individuals by appreciating the influence of perceived culture.

Responses to a measure of the four humor styles of affiliative, aggressive, self-enhancing, and self-defeating from the Humor Styles Questionnaire (HSQ; Martin et al. Journal of Research in Personality, 37(1), 48–75, 2003) were collected from individuals (N = 8361) in 28 countries encompassing 21 different languages. The purpose of this global collaboration was to examine both differences and similarities of humor styles across nations at the descriptive level. Across the countries, typically the highest scores were for the affiliative humor style. When each humor style was examined, some country samples demonstrated differences in mean scores. For example, the samples from Hungary, Indonesia, South Africa, and Serbia had high self-enhancing scores and Japan scored the lowest. In contrast to mean differences, almost all of the countries demonstrated positive inter-scale correlations, similar sex differences, and similar correlations with age, suggesting more similarities than differences. As discussed, some of the samples had low internal consistency values and poorly fitting factor structures for the humor style scales, suggesting that those results should be interpreted with caution.