単独世帯を英語でなんと言うか？

1人世帯、単独世帯、独居世帯は英語でもまったく同じ言い方です。one-person household です。二人以上は multi-person household です。1:19 as younger people marry later or not at all, the number of one-person households in the nation of 51 million people will climb to 34.3% by 2035. 若い世代が晩婚あるいは結婚を放棄した結果、韓国5千百万人の人口に占める単独世帯の割合は2035年までには34%になる見通しだ。

Online dining in South Korea attracts thousands of viewers
https://www.youtube.com/watch?v=M-dvts1pWBU  0:11 with one-person households making up more than 25% of the population, more and more companies are offering customized products for people who live alone.
https://www.youtube.com/watch?v=xVfBdDVkkUk  0:29 single household 0:33 family of four 四人世帯