Research on factors associated with motivation to learn (MtL) is limited, particularly among middle-aged adults and immigrants. This study examines educational attainment, literacy skills, and nativity (foreign-born vs. native-born) as predictors of MtL in middle-aged adults living in the United States. Nationally representative data of middle-aged adults between the ages of 40 and 65 years were obtained from the 2012/2014 Program for International Assessment of Adult Competencies (PIAAC). Structural equation models were used to assess the validity of the latent MtL construct and to examine the associations with the selected determinants in middle-aged adults. Postsecondary education degrees and higher literacy skills were linked with greater MtL. However, foreign-born individuals had lower MtL than their US-born counterparts. Educators and researchers should be aware of lower educational attainment, limited literacy skills, and being an immigrant as possible demoting factors of MtL, and in turn, barriers to lifelong learning participation among middle-aged adults.

与学习动机 (MtL) 相关的因素的研究是有限的，尤其是在中年人和移民中。本研究考察了教育程度、识字技能和出生（外国出生与本土出生）作为居住在美国的中年人 MtL 的预测因素。40 至 65 岁中年人的全国代表性数据来自 2012/2014 成人能力国际评估计划 (PIAAC)。结构方程模型用于评估潜在 MtL 结构的有效性，并检查与中年成人所选决定因素的关联。高等教育学位和更高的识字技能与更高的 MtL 相关联。然而，外国出生的人的 MtL 低于美国出生的人。