person living alone; single person; unmarried person
Refers to someone who lives by themselves, often with a nuance of being unmarried. Can be used in contexts like housing, demographics, or lifestyle.
This apartment is for single occupants.
The proportion of people living alone is increasing.
一人暮らし is a common, everyday term for 'living alone', whereas 単身者 is a more formal noun often used in statistics or official contexts.
Compound of 単身 (たんしん, 'alone; by oneself') and 者 (しゃ, 'person').